diff --git a/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c b/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c
index 857e7415..3b83dd5a 100644
--- a/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c
+++ b/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c
@@ -413,7 +413,7 @@ EFI_STATUS EFIAPI ventoy_block_io_read
     secNum = BufferSize / 2048;
     offset = Lba * 2048;
 
-    if (offset + BufferSize < g_chain->real_img_size_in_bytes)
+    if (offset + BufferSize <= g_chain->real_img_size_in_bytes)
     {
         return ventoy_read_iso_sector(Lba, secNum, Buffer);
     }
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/fs/xfs.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/fs/xfs.c
index a5c8d938..96ffecbf 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/fs/xfs.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/fs/xfs.c
@@ -970,8 +970,6 @@ grub_xfs_dir_iter (const char *filename, enum grub_fshelp_filetype filetype,
       info.mtime = grub_be_to_cpu32 (node->inode.mtime.sec);
     }
   info.dir = ((filetype & GRUB_FSHELP_TYPE_MASK) == GRUB_FSHELP_DIR);
-  if (!info.dir)
-    info.size = node->inode.size;
   grub_free (node);
   return ctx->hook (filename, &info, ctx->hook_data);
 }
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/kern/disk.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/kern/disk.c
index e5c6f208..9cb38425 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/kern/disk.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/kern/disk.c
@@ -412,16 +412,23 @@ grub_disk_read_small (grub_disk_t disk, grub_disk_addr_t sector,
 grub_err_t grub_disk_blocklist_read(void *chunklist, grub_uint64_t sector, 
     grub_uint64_t size, grub_uint32_t log_sector_size)
 {
+    grub_uint64_t sizeshift;
     ventoy_img_chunk *last_chunk = NULL;
     ventoy_img_chunk *new_chunk = NULL;
     ventoy_img_chunk_list *chunk_list = (ventoy_img_chunk_list *)chunklist;
 
+    sizeshift = (size >> log_sector_size);
+    if (sizeshift == 0)
+    {
+        sizeshift = 1;
+    }
+
     if (chunk_list->cur_chunk == 0)
     {
         chunk_list->chunk[0].img_start_sector = 0;
         chunk_list->chunk[0].img_end_sector = (size >> 11) - 1;
         chunk_list->chunk[0].disk_start_sector = sector;
-        chunk_list->chunk[0].disk_end_sector = sector + (size >> log_sector_size) - 1;
+        chunk_list->chunk[0].disk_end_sector = sector + sizeshift - 1;
         chunk_list->cur_chunk = 1;
         return 0;
     }
@@ -430,7 +437,7 @@ grub_err_t grub_disk_blocklist_read(void *chunklist, grub_uint64_t sector,
     if (last_chunk->disk_end_sector + 1 == sector)
     {
         last_chunk->img_end_sector  += (size >> 11);
-        last_chunk->disk_end_sector += (size >> log_sector_size);
+        last_chunk->disk_end_sector += sizeshift;
         return 0;
     }
 
@@ -452,7 +459,7 @@ grub_err_t grub_disk_blocklist_read(void *chunklist, grub_uint64_t sector,
     new_chunk->img_start_sector = last_chunk->img_end_sector + 1;
     new_chunk->img_end_sector = new_chunk->img_start_sector + (size >> 11) - 1;
     new_chunk->disk_start_sector = sector;
-    new_chunk->disk_end_sector = sector + (size >> log_sector_size) - 1;
+    new_chunk->disk_end_sector = sector + sizeshift - 1;
 
     chunk_list->cur_chunk++;
 
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/normal/menu.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/normal/menu.c
index d39e19ac..6c10f4ab 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/normal/menu.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/normal/menu.c
@@ -39,6 +39,8 @@ int g_ventoy_memdisk_mode = 0;
 int g_ventoy_iso_raw = 0;
 int g_ventoy_iso_uefi_drv = 0;
 int g_ventoy_last_entry = 0;
+int g_ventoy_suppress_esc = 0;
+int g_ventoy_menu_esc = 0;
 
 /* Time to delay after displaying an error message about a default/fallback
    entry failing to boot.  */
@@ -590,8 +592,10 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
   enum timeout_style timeout_style;
 
   default_entry = get_entry_number (menu, "default");
-  
-  if (g_ventoy_last_entry >= 0 && g_ventoy_last_entry < menu->size) {
+
+  if (g_ventoy_suppress_esc)
+      default_entry = 1;
+  else if (g_ventoy_last_entry >= 0 && g_ventoy_last_entry < menu->size) {
       default_entry = g_ventoy_last_entry;
   } 
   /* If DEFAULT_ENTRY is not within the menu entries, fall back to
@@ -771,12 +775,12 @@ run_menu (grub_menu_t menu, int nested, int *auto_boot)
 	    case '\r':
 	//    case GRUB_TERM_KEY_RIGHT:
 	    case GRUB_TERM_CTRL | 'f':
-	      menu_fini ();
+	        menu_fini ();
               *auto_boot = 0;
-	      return current_entry;
+	        return current_entry;
 
 	    case GRUB_TERM_ESC:
-	      if (nested)
+	      if (nested && 0 == g_ventoy_suppress_esc)
 		{
 		  menu_fini ();
 		  return -1;
@@ -950,11 +954,16 @@ show_menu (grub_menu_t menu, int nested, int autobooted)
 	break;
 
       g_ventoy_last_entry = boot_entry;
+      if (g_ventoy_menu_esc)
+          break;
 
       e = grub_menu_get_entry (menu, boot_entry);
       if (! e)
 	continue; /* Menu is empty.  */
 
+      if (2 == e->argc && e->args && e->args[1] && grub_strncmp(e->args[1], "VTOY_RET", 8) == 0)
+        break;  
+
       grub_cls ();
 
       if (auto_boot)
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c
index 883ca097..1ad4ebe8 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c
@@ -33,6 +33,7 @@
 #include <grub/datetime.h>
 #include <grub/i18n.h>
 #include <grub/net.h>
+#include <grub/misc.h>
 #ifdef GRUB_MACHINE_EFI
 #include <grub/efi/efi.h>
 #endif
@@ -49,12 +50,15 @@ initrd_info *g_initrd_img_list = NULL;
 initrd_info *g_initrd_img_tail = NULL;
 int g_initrd_img_count = 0;
 int g_valid_initrd_count = 0;
+int g_default_menu_mode = 0;
 int g_filt_dot_underscore_file = 0;
 static grub_file_t g_old_file;
 
+char g_iso_path[256];
 char g_img_swap_tmp_buf[1024];
 img_info g_img_swap_tmp;
 img_info *g_ventoy_img_list = NULL;
+
 int g_ventoy_img_count = 0;
 
 grub_device_t g_enum_dev = NULL;
@@ -75,6 +79,10 @@ ventoy_guid  g_ventoy_guid = VENTOY_GUID;
 
 ventoy_img_chunk_list g_img_chunk_list;
 
+int g_wimboot_enable = 0;
+ventoy_img_chunk_list g_wimiso_chunk_list;
+char *g_wimiso_path = NULL;
+
 static char *g_tree_script_buf = NULL;
 static int g_tree_script_pos = 0;
 
@@ -341,6 +349,44 @@ static grub_err_t ventoy_cmd_file_size(grub_extcmd_context_t ctxt, int argc, cha
     return rc;
 }
 
+static grub_err_t ventoy_cmd_load_wimboot(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    grub_file_t file;
+    
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    g_wimboot_enable = 0;
+    grub_check_free(g_wimiso_path);
+    grub_check_free(g_wimiso_chunk_list.chunk);
+
+    file = grub_file_open(args[0], VENTOY_FILE_TYPE);
+    if (!file)
+    {
+        return 0;
+    }
+
+    grub_memset(&g_wimiso_chunk_list, 0, sizeof(g_wimiso_chunk_list));
+    g_wimiso_chunk_list.chunk = grub_malloc(sizeof(ventoy_img_chunk) * DEFAULT_CHUNK_NUM);
+    if (NULL == g_wimiso_chunk_list.chunk)
+    {
+        return grub_error(GRUB_ERR_OUT_OF_MEMORY, "Can't allocate image chunk memoty\n");
+    }
+    
+    g_wimiso_chunk_list.max_chunk = DEFAULT_CHUNK_NUM;
+    g_wimiso_chunk_list.cur_chunk = 0;
+
+    ventoy_get_block_list(file, &g_wimiso_chunk_list, file->device->disk->partition->start);
+
+    g_wimboot_enable = 1;
+    g_wimiso_path = grub_strdup(args[0]);
+    
+    grub_file_close(file);
+
+    return 0;
+}
+
 static grub_err_t ventoy_cmd_load_iso_to_mem(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     int rc = 1;
@@ -659,6 +705,8 @@ static int ventoy_check_ignore_flag(const char *filename, const struct grub_dirh
 
 static int ventoy_colect_img_files(const char *filename, const struct grub_dirhook_info *info, void *data)
 {
+    int i = 0;
+    int type = 0;
     int ignore = 0;
     grub_size_t len;
     img_info *img;
@@ -723,52 +771,89 @@ static int ventoy_colect_img_files(const char *filename, const struct grub_dirho
     else
     {
         debug("Find a file %s\n", filename);
+        if (len <= 4)
+        {
+            return 0;
+        }
 
-        if ((len > 4) && (0 == grub_strcasecmp(filename + len - 4, ".iso")))
+        if (0 == grub_strcasecmp(filename + len - 4, ".iso"))
         {
-            if (!ventoy_img_name_valid(filename, len))
-            {
-                return 0;
-            }
-        
-            img = grub_zalloc(sizeof(img_info));
-            if (img)
+            type = img_type_iso;
+        }
+        else if (g_wimboot_enable && (0 == grub_strcasecmp(filename + len - 4, ".wim")))
+        {
+            type = img_type_wim;
+        }
+        else
+        {
+            return 0;
+        }
+
+        if (g_filt_dot_underscore_file && filename[0] == '.' && filename[1] == '_')
+        {
+            return 0;
+        }
+    
+        img = grub_zalloc(sizeof(img_info));
+        if (img)
+        {
+            img->type = type;
+            grub_snprintf(img->name, sizeof(img->name), "%s", filename);
+
+            for (i = 0; i < (int)len; i++)
             {
-                grub_snprintf(img->name, sizeof(img->name), "%s", filename);
-                grub_snprintf(img->path, sizeof(img->path), "%s%s", node->dir, filename);
-                
-                if (g_ventoy_img_list)
-                {
-                    tail = *(node->tail);
-                    img->prev = tail;
-                    tail->next = img;
-                }
-                else
+                if (filename[i] == ' ' || filename[i] == '\t' || (0 == grub_isprint(filename[i])))
                 {
-                    g_ventoy_img_list = img;
+                    img->name[i] = '*';
+                    img->unsupport = 1;
                 }
+            }
+            
+            grub_snprintf(img->path, sizeof(img->path), "%s%s", node->dir, img->name);
 
-                img->size = info->size;
-                img->id = g_ventoy_img_count;
-                img->parent = node;
-                if (node && NULL == node->firstiso)
-                {
-                    node->firstiso = img;
-                }
+            img->size = info->size;
+            if (0 == img->size)
+            {
+                img->size = ventoy_grub_get_file_size("%s/%s", g_iso_path, img->path);
+            }
 
-                node->isocnt++;
-                tmp = node->parent;
-                while (tmp)
-                {
-                    tmp->isocnt++;
-                    tmp = tmp->parent;
-                }
-                
-                *((img_info **)(node->tail)) = img;
-                g_ventoy_img_count++;
+            if (img->size < VTOY_FILT_MIN_FILE_SIZE)
+            {
+                debug("img <%s> size too small %llu\n", img->name, (ulonglong)img->size);
+                grub_free(img);
+                return 0;
+            }
+            
+            if (g_ventoy_img_list)
+            {
+                tail = *(node->tail);
+                img->prev = tail;
+                tail->next = img;
+            }
+            else
+            {
+                g_ventoy_img_list = img;
+            }
+            
+            img->id = g_ventoy_img_count;
+            img->parent = node;
+            if (node && NULL == node->firstiso)
+            {
+                node->firstiso = img;
+            }
 
-                debug("Add %s%s to list %d\n", node->dir, filename, g_ventoy_img_count);
+            node->isocnt++;
+            tmp = node->parent;
+            while (tmp)
+            {
+                tmp->isocnt++;
+                tmp = tmp->parent;
             }
+            
+            *((img_info **)(node->tail)) = img;
+            g_ventoy_img_count++;
+
+            debug("Add %s%s to list %d\n", node->dir, filename, g_ventoy_img_count);
         }
     }
 
@@ -911,11 +996,27 @@ static int ventoy_dynamic_tree_menu(img_iterator_node *node)
         offset = node->parent->dirlen;
     }
 
-    if (node != &g_img_iterator_head)
+    if (node == &g_img_iterator_head)
+    {
+        if (g_default_menu_mode == 0)
+        {
+            vtoy_ssprintf(g_tree_script_buf, g_tree_script_pos, 
+                          "menuentry \"%-10s [Return to ListView]\" VTOY_RET {\n  "
+                          "  echo 'return ...' \n"
+                          "}\n", "<--");
+        }
+    }
+    else
     {
         node->dir[node->dirlen - 1] = 0;
-        g_tree_script_pos += grub_snprintf(g_tree_script_buf + g_tree_script_pos, VTOY_MAX_SCRIPT_BUF - g_tree_script_pos, 
-                      "submenu \"%-10s [%s]\" {\n", "DIR", node->dir + offset);        
+        vtoy_ssprintf(g_tree_script_buf, g_tree_script_pos, 
+                      "submenu \"%-10s [%s]\" {\n", 
+                      "DIR", node->dir + offset);
+
+        vtoy_ssprintf(g_tree_script_buf, g_tree_script_pos, 
+                      "menuentry \"%-10s [../]\" VTOY_RET {\n  "
+                      "  echo 'return ...' \n"
+                      "}\n", "<--");
     }
 
     while ((child = ventoy_get_min_child(node)) != NULL)
@@ -925,16 +1026,19 @@ static int ventoy_dynamic_tree_menu(img_iterator_node *node)
 
     while ((img = ventoy_get_min_iso(node)) != NULL)
     {
-        g_tree_script_pos += grub_snprintf(g_tree_script_buf + g_tree_script_pos, VTOY_MAX_SCRIPT_BUF - g_tree_script_pos, 
-                  "menuentry \"%-10s %s\" --id=\"VID_%d\" {\n"
-                  "  common_menuentry \n" 
-                  "}\n", 
-                  grub_get_human_size(img->size, GRUB_HUMAN_SIZE_SHORT), img->name, img->id);
+        vtoy_ssprintf(g_tree_script_buf, g_tree_script_pos, 
+                      "menuentry \"%-10s %s%s\" --id=\"VID_%d\" {\n"
+                      "  %s_%s \n" 
+                      "}\n", 
+                      grub_get_human_size(img->size, GRUB_HUMAN_SIZE_SHORT), 
+                      img->unsupport ? "[unsupported] " : "", img->name, img->id,
+                      (img->type == img_type_iso) ? "iso" : "wim",
+                      img->unsupport ? "unsupport_menuentry" : "common_menuentry");
     }
 
     if (node != &g_img_iterator_head)
     {
-        g_tree_script_pos += grub_snprintf(g_tree_script_buf + g_tree_script_pos, VTOY_MAX_SCRIPT_BUF - g_tree_script_pos, "}\n");        
+        vtoy_ssprintf(g_tree_script_buf, g_tree_script_pos, "%s", "}\n");
     }
 
     node->done = 1;
@@ -943,6 +1047,7 @@ static int ventoy_dynamic_tree_menu(img_iterator_node *node)
 
 static grub_err_t ventoy_cmd_list_img(grub_extcmd_context_t ctxt, int argc, char **args)
 {
+    int len;
     grub_fs_t fs;
     grub_device_t dev = NULL;
     img_info *cur = NULL;
@@ -992,14 +1097,37 @@ static grub_err_t ventoy_cmd_list_img(grub_extcmd_context_t ctxt, int argc, char
     if (ventoy_get_fs_type(fs->name) >= ventoy_fs_max)
     {
         debug("unsupported fs:<%s>\n", fs->name);
+        ventoy_set_env("VTOY_NO_ISO_TIP", "unsupported file system");
         goto fail;
     }
 
+    strdata = ventoy_get_env("VTOY_DEFAULT_MENU_MODE");
+    if (strdata && strdata[0] == '1')
+    {
+        g_default_menu_mode = 1;
+    }
+
     grub_memset(&g_img_iterator_head, 0, sizeof(g_img_iterator_head));
 
-    g_img_iterator_head.dirlen = 1;
+    grub_snprintf(g_iso_path, sizeof(g_iso_path), "%s", args[0]);
+
+    strdata = ventoy_get_env("VTOY_DEFAULT_SEARCH_ROOT");
+    if (strdata && strdata[0] == '/')
+    {
+        len = grub_snprintf(g_img_iterator_head.dir, sizeof(g_img_iterator_head.dir) - 1, "%s", strdata);
+        if (g_img_iterator_head.dir[len] != '/')
+        {
+            g_img_iterator_head.dir[len++] = '/';
+        }
+        g_img_iterator_head.dirlen = len;
+    }
+    else
+    {
+        g_img_iterator_head.dirlen = 1;
+        grub_strcpy(g_img_iterator_head.dir, "/"); 
+    }
+
     g_img_iterator_head.tail = &tail;
-    grub_strcpy(g_img_iterator_head.dir, "/"); 
 
     for (node = &g_img_iterator_head; node; node = node->next)
     {
@@ -1032,13 +1160,23 @@ static grub_err_t ventoy_cmd_list_img(grub_extcmd_context_t ctxt, int argc, char
         }
     }
 
+    if (g_default_menu_mode == 1)
+    {
+        vtoy_ssprintf(g_list_script_buf, g_list_script_pos, 
+                      "menuentry \"%s [Return to TreeView]\" VTOY_RET {\n  "
+                      "  echo 'return ...' \n"
+                      "}\n", "<--");
+    }
+
     for (cur = g_ventoy_img_list; cur; cur = cur->next)
     {
-        g_list_script_pos += grub_snprintf(g_list_script_buf + g_list_script_pos, VTOY_MAX_SCRIPT_BUF - g_list_script_pos, 
-                  "menuentry \"%s\" --id=\"VID_%d\" {\n"
-                  "  common_menuentry \n" 
+        vtoy_ssprintf(g_list_script_buf, g_list_script_pos,
+                  "menuentry \"%s%s\" --id=\"VID_%d\" {\n"
+                  "  %s_%s \n" 
                   "}\n", 
-                  cur->name, cur->id);
+                  cur->unsupport ? "[unsupported] " : "", cur->name, cur->id,
+                  (cur->type == img_type_iso) ? "iso" : "wim",
+                  cur->unsupport ? "unsupport_menuentry" : "common_menuentry");
     }
     g_list_script_buf[g_list_script_pos] = 0;
 
@@ -1311,9 +1449,9 @@ int ventoy_check_block_list(grub_file_t file, ventoy_img_chunk_list *chunklist,
         total += chunk->disk_end_sector + 1 - chunk->disk_start_sector;
     }
 
-    if (total != (file->size / 512))
+    if (total != ((file->size + 511) / 512))
     {
-        debug("Invalid total: %llu %llu\n", (ulonglong)total, (ulonglong)(file->size / 512));
+        debug("Invalid total: %llu %llu\n", (ulonglong)total, (ulonglong)((file->size + 511) / 512));
         return 1;
     }
 
@@ -1417,6 +1555,117 @@ static grub_err_t ventoy_cmd_img_sector(grub_extcmd_context_t ctxt, int argc, ch
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+static grub_err_t ventoy_cmd_sel_auto_install(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    int i = 0;
+    int pos = 0;
+    char *buf = NULL;
+    char configfile[128];
+    install_template *node = NULL;
+        
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    if (argc < 1)
+    {
+        return 0;
+    }
+
+    node = ventoy_plugin_find_install_template(args[0]);
+    if (!node)
+    {
+        return 0;
+    }
+
+    buf = (char *)grub_malloc(VTOY_MAX_SCRIPT_BUF);
+    if (!buf)
+    {
+        return 0;
+    }
+
+    vtoy_ssprintf(buf, pos, "menuentry \"Boot without auto installation template\" {\n"
+                  "  echo %s\n}\n", "123");
+
+    for (i = 0; i < node->templatenum; i++)
+    {
+        vtoy_ssprintf(buf, pos, "menuentry \"Boot with %s\" {\n"
+                  "  echo 123\n}\n",
+                  node->templatepath[i].path);
+    }
+
+    g_ventoy_menu_esc = 1;
+    g_ventoy_suppress_esc = 1;
+
+    grub_snprintf(configfile, sizeof(configfile), "configfile mem:0x%llx:size:%d", (ulonglong)(ulong)buf, pos);
+    grub_script_execute_sourcecode(configfile);
+    
+    g_ventoy_menu_esc = 0;
+    g_ventoy_suppress_esc = 0;
+
+    grub_free(buf);
+
+    node->cursel = g_ventoy_last_entry - 1;
+
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
+static grub_err_t ventoy_cmd_sel_persistence(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    int i = 0;
+    int pos = 0;
+    char *buf = NULL;
+    char configfile[128];
+    persistence_config *node;
+    
+    (void)ctxt;
+    (void)argc;
+    (void)args;
+
+    if (argc < 1)
+    {
+        return 0;
+    }
+
+    node = ventoy_plugin_find_persistent(args[0]);
+    if (!node)
+    {
+        return 0;
+    }
+
+    buf = (char *)grub_malloc(VTOY_MAX_SCRIPT_BUF);
+    if (!buf)
+    {
+        return 0;
+    }
+
+    vtoy_ssprintf(buf, pos, "menuentry \"Boot without persistence\" {\n"
+                  "  echo %s\n}\n", "123");
+    
+    for (i = 0; i < node->backendnum; i++)
+    {
+        vtoy_ssprintf(buf, pos, "menuentry \"Boot with %s\" {\n"
+                      "  echo 123\n}\n",
+                      node->backendpath[i].path);
+        
+    }
+
+    g_ventoy_menu_esc = 1;
+    g_ventoy_suppress_esc = 1;
+
+    grub_snprintf(configfile, sizeof(configfile), "configfile mem:0x%llx:size:%d", (ulonglong)(ulong)buf, pos);
+    grub_script_execute_sourcecode(configfile);
+    
+    g_ventoy_menu_esc = 0;
+    g_ventoy_suppress_esc = 0;
+
+    grub_free(buf);
+
+    node->cursel = g_ventoy_last_entry - 1;
+
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
 static grub_err_t ventoy_cmd_dump_img_sector(grub_extcmd_context_t ctxt, int argc, char **args)
 {
     grub_uint32_t i;
@@ -1783,6 +2032,30 @@ static grub_err_t ventoy_cmd_find_bootable_hdd(grub_extcmd_context_t ctxt, int a
     return 0;
 }
 
+grub_uint64_t ventoy_grub_get_file_size(const char *fmt, ...)
+{
+    grub_uint64_t size = 0;
+    grub_file_t file;
+    va_list ap;
+    char fullpath[256] = {0};
+
+    va_start (ap, fmt);
+    grub_vsnprintf(fullpath, 255, fmt, ap);
+    va_end (ap);
+    
+    file = grub_file_open(fullpath, VENTOY_FILE_TYPE);
+    if (!file)
+    {
+        debug("grub_file_open failed <%s>\n", fullpath);
+        grub_errno = 0;
+        return 0;
+    }
+
+    size = file->size;
+    grub_file_close(file);
+    return size;
+}
+
 grub_file_t ventoy_grub_file_open(enum grub_file_type type, const char *fmt, ...)
 {
     va_list ap;
@@ -1867,6 +2140,7 @@ static cmd_para ventoy_cmds[] =
     { "vt_chosen_img_path", ventoy_cmd_chosen_img_path, 0, NULL, "{var}", "get chosen img path", NULL },
     { "vt_img_sector", ventoy_cmd_img_sector, 0, NULL, "{imageName}", "", NULL },
     { "vt_dump_img_sector", ventoy_cmd_dump_img_sector, 0, NULL, "", "", NULL },
+    { "vt_load_wimboot", ventoy_cmd_load_wimboot, 0, NULL, "", "", NULL },
     { "vt_load_cpio", ventoy_cmd_load_cpio, 0, NULL, "", "", NULL },
     { "vt_find_first_bootable_hd", ventoy_cmd_find_bootable_hdd, 0, NULL, "", "", NULL },
     { "vt_dump_menu", ventoy_cmd_dump_menu, 0, NULL, "", "", NULL },
@@ -1874,6 +2148,8 @@ static cmd_para ventoy_cmds[] =
     { "vt_check_mode", ventoy_cmd_check_mode, 0, NULL, "", "", NULL },
     { "vt_dump_auto_install", ventoy_cmd_dump_auto_install, 0, NULL, "", "", NULL },
     { "vt_dump_persistence", ventoy_cmd_dump_persistence, 0, NULL, "", "", NULL },
+    { "vt_select_auto_install", ventoy_cmd_sel_auto_install, 0, NULL, "", "", NULL },
+    { "vt_select_persistence", ventoy_cmd_sel_persistence, 0, NULL, "", "", NULL },
 
     { "vt_is_udf", ventoy_cmd_is_udf, 0, NULL, "", "", NULL },
     { "vt_file_size", ventoy_cmd_file_size, 0, NULL, "", "", NULL },
@@ -1892,6 +2168,7 @@ static cmd_para ventoy_cmds[] =
     { "vt_windows_reset",      ventoy_cmd_wimdows_reset, 0, NULL, "", "", NULL },
     { "vt_windows_locate_wim", ventoy_cmd_wimdows_locate_wim, 0, NULL, "", "", NULL },
     { "vt_windows_chain_data", ventoy_cmd_windows_chain_data, 0, NULL, "", "", NULL },
+    { "vt_wim_chain_data", ventoy_cmd_wim_chain_data, 0, NULL, "", "", NULL },
 
     { "vt_add_replace_file", ventoy_cmd_add_replace_file, 0, NULL, "", "", NULL },
     { "vt_relocator_chaindata", ventoy_cmd_relocator_chaindata, 0, NULL, "", "", NULL },
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h
index 0202045f..da6e6889 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_def.h
@@ -23,7 +23,10 @@
 
 #define VTOY_MAX_SCRIPT_BUF    (4 * 1024 * 1024)
 
-#define VTOY_SIZE_1GB  1073741824
+#define VTOY_FILT_MIN_FILE_SIZE  32768
+
+#define VTOY_SIZE_1GB     1073741824
+#define VTOY_SIZE_512KB  (512 * 1024)
 
 #define JSON_SUCCESS    0
 #define JSON_FAILED     1
@@ -62,6 +65,7 @@ typedef struct cmd_para
     grub_extcmd_t cmd;
 }cmd_para;
 
+#define ventoy_align_2k(value)  ((value + 2047) / 2048 * 2048)
 #define ventoy_align(value, align)  (((value) + ((align) - 1)) & (~((align) - 1)))
 
 #pragma pack(1)
@@ -87,6 +91,7 @@ typedef struct cpio_newc_header
 
 #define cmd_raw_name ctxt->extcmd->cmd->name
 #define check_free(p, func) if (p) { func(p); p = NULL; }
+#define grub_check_free(p) if (p) { grub_free(p); p = NULL; }
 
 typedef int (*grub_char_check_func)(int c);
 #define ventoy_is_decimal(str)  ventoy_string_check(str, grub_isdigit)
@@ -120,13 +125,18 @@ typedef struct ventoy_udf_override
 
 #pragma pack()
 
+#define img_type_iso 0
+#define img_type_wim 1
+
 typedef struct img_info
 {
     char path[512];
     char name[256];
     int id;
+    int type;
     grub_uint64_t size;
     int select;
+    int unsupport;
 
     void *parent;
 
@@ -186,12 +196,15 @@ extern grub_uint8_t *g_ventoy_runtime_buf;
 extern ventoy_guid  g_ventoy_guid;
 
 extern ventoy_img_chunk_list g_img_chunk_list;
+extern ventoy_img_chunk_list g_wimiso_chunk_list;
+extern char *g_wimiso_path;
 
 extern int g_ventoy_debug;
 void ventoy_debug(const char *fmt, ...);
 #define debug(fmt, ...) if (g_ventoy_debug) ventoy_debug("[VTOY]: "fmt, __VA_ARGS__)
 
-
+#define vtoy_ssprintf(buf, pos, fmt, ...) \
+    pos += grub_snprintf(buf + pos, VTOY_MAX_SCRIPT_BUF - pos, fmt, __VA_ARGS__)
 
 #define FLAG_HEADER_RESERVED          0x00000001
 #define FLAG_HEADER_COMPRESSION       0x00000002
@@ -422,12 +435,14 @@ grub_err_t ventoy_cmd_valid_initrd_count(grub_extcmd_context_t ctxt, int argc, c
 grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **args);
 int ventoy_cpio_newc_fill_head(void *buf, int filesize, const void *filedata, const char *name);
 grub_file_t ventoy_grub_file_open(enum grub_file_type type, const char *fmt, ...);
+grub_uint64_t ventoy_grub_get_file_size(const char *fmt, ...);
 int ventoy_is_file_exist(const char *fmt, ...);
 int ventoy_fill_data(grub_uint32_t buflen, char *buffer);
 grub_err_t ventoy_cmd_load_plugin(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_wimdows_reset(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_wimdows_locate_wim(grub_extcmd_context_t ctxt, int argc, char **args);
 grub_err_t ventoy_cmd_windows_chain_data(grub_extcmd_context_t ctxt, int argc, char **args);
+grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char **args);
 
 VTOY_JSON *vtoy_json_find_item
 (
@@ -552,23 +567,37 @@ typedef struct ventoy_mbr_head
 }ventoy_mbr_head;
 #pragma pack()
 
+typedef struct file_fullpath
+{
+    char path[256];
+}file_fullpath;
 
 typedef struct install_template
 {
+    int pathlen;
     char isopath[256];
-    char templatepath[256];
+
+    int cursel;
+    int templatenum;
+    file_fullpath *templatepath;
 
     struct install_template *next;
 }install_template;
 
 typedef struct persistence_config
 {
+    int pathlen;
     char isopath[256];
-    char filepath[256];
 
+    int cursel;
+    int backendnum;
+    file_fullpath *backendpath;
+    
     struct persistence_config *next;
 }persistence_config;
 
+extern int g_ventoy_menu_esc;
+extern int g_ventoy_suppress_esc;
 extern int g_ventoy_last_entry;
 extern int g_ventoy_memdisk_mode;
 extern int g_ventoy_iso_raw;
@@ -576,10 +605,12 @@ extern int g_ventoy_iso_uefi_drv;
 
 int ventoy_cmp_img(img_info *img1, img_info *img2);
 void ventoy_swap_img(img_info *img1, img_info *img2);
-char * ventoy_plugin_get_install_template(const char *isopath);
+char * ventoy_plugin_get_cur_install_template(const char *isopath);
+install_template * ventoy_plugin_find_install_template(const char *isopath);
+persistence_config * ventoy_plugin_find_persistent(const char *isopath);
 void ventoy_plugin_dump_auto_install(void);
 int ventoy_fill_windows_rtdata(void *buf, char *isopath);
-int ventoy_plugin_get_persistent_chunklist(const char *isopath, ventoy_img_chunk_list *chunk_list);
+int ventoy_plugin_get_persistent_chunklist(const char *isopath, int index, ventoy_img_chunk_list *chunk_list);
 int ventoy_get_block_list(grub_file_t file, ventoy_img_chunk_list *chunklist, grub_disk_addr_t start);
 int ventoy_check_block_list(grub_file_t file, ventoy_img_chunk_list *chunklist, grub_disk_addr_t start);
 void ventoy_plugin_dump_persistence(void);
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_linux.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_linux.c
index 403bf30b..28133ce2 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_linux.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_linux.c
@@ -896,14 +896,14 @@ grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **arg
         g_ventoy_cpio_size = 0;
     }
 
-    rc = ventoy_plugin_get_persistent_chunklist(args[1], &chunk_list);
+    rc = ventoy_plugin_get_persistent_chunklist(args[1], -1, &chunk_list);
     if (rc == 0 && chunk_list.cur_chunk > 0 && chunk_list.chunk)
     {
         persistent_size = chunk_list.cur_chunk * sizeof(ventoy_img_chunk);
         persistent_buf = (char *)(chunk_list.chunk);
     }
 
-    template_file = ventoy_plugin_get_install_template(args[1]);
+    template_file = ventoy_plugin_get_cur_install_template(args[1]);
     if (template_file)
     {
         debug("auto install template: <%s>\n", template_file);
@@ -925,6 +925,10 @@ grub_err_t ventoy_cmd_load_cpio(grub_extcmd_context_t ctxt, int argc, char **arg
             debug("Failed to open install script %s%s\n", args[2], template_file);
         }
     }
+    else
+    {
+        debug("auto install script skipped or not configed %s\n", args[1]);
+    }
 
     g_ventoy_cpio_buf = grub_malloc(file->size + 4096 + template_size + persistent_size + img_chunk_size);
     if (NULL == g_ventoy_cpio_buf)
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_plugin.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_plugin.c
index 16a31cc3..4aad58d8 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_plugin.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_plugin.c
@@ -125,16 +125,98 @@ static int ventoy_plugin_theme_entry(VTOY_JSON *json, const char *isodisk)
     return 0;
 }
 
+static int ventoy_plugin_parse_fullpath
+(
+    VTOY_JSON *json, 
+    const char *isodisk, 
+    const char *key, 
+    file_fullpath **fullpath,
+    int *pathnum
+)
+{
+    int rc = 1;
+    int count = 0;
+    VTOY_JSON *node = json;
+    VTOY_JSON *child = NULL;
+    file_fullpath *path = NULL;
+    
+    while (node)
+    {
+        if (0 == grub_strcmp(key, node->pcName))
+        {
+            break;
+        }
+        node = node->pstNext;
+    }
+
+    if (!node)
+    {
+        return 1;
+    }
+
+    if (JSON_TYPE_STRING == node->enDataType)
+    {
+        debug("%s is string type data\n", node->pcName);
+
+        if ((node->unData.pcStrVal[0] != '/') || (!ventoy_is_file_exist("%s%s", isodisk, node->unData.pcStrVal)))
+        {
+            debug("%s%s file not found\n", isodisk, node->unData.pcStrVal);
+            return 1;
+        }
+        
+        path = (file_fullpath *)grub_zalloc(sizeof(file_fullpath));
+        if (path)
+        {
+            grub_snprintf(path->path, sizeof(path->path), "%s", node->unData.pcStrVal);
+            *fullpath = path;
+            *pathnum = 1;
+            rc = 0;
+        }
+    }
+    else if (JSON_TYPE_ARRAY == node->enDataType)
+    {
+        for (child = node->pstChild; child; child = child->pstNext)
+        {
+            if ((JSON_TYPE_STRING != child->enDataType) || (child->unData.pcStrVal[0] != '/'))
+            {
+                debug("Invalid data type:%d\n", child->enDataType);
+                return 1;
+            }
+            count++;
+        }
+        debug("%s is array type data, count=%d\n", node->pcName, count);
+        
+        path = (file_fullpath *)grub_zalloc(sizeof(file_fullpath) * count);
+        if (path)
+        {
+            *fullpath = path;
+            
+            for (count = 0, child = node->pstChild; child; child = child->pstNext)
+            {
+                if (ventoy_is_file_exist("%s%s", isodisk, child->unData.pcStrVal))
+                {
+                    grub_snprintf(path->path, sizeof(path->path), "%s", child->unData.pcStrVal);
+                    path++;
+                    count++;
+                }
+            }
+
+            *pathnum = count;
+            rc = 0;
+        }
+    }
+
+    return rc;
+}
 
 static int ventoy_plugin_auto_install_entry(VTOY_JSON *json, const char *isodisk)
 {
+    int pathnum = 0;
     const char *iso = NULL;
-    const char *script = NULL;
     VTOY_JSON *pNode = NULL;
     install_template *node = NULL;
     install_template *next = NULL;
-
-    (void)isodisk;
+    file_fullpath *templatepath = NULL;
 
     if (json->enDataType != JSON_TYPE_ARRAY)
     {
@@ -147,6 +229,7 @@ static int ventoy_plugin_auto_install_entry(VTOY_JSON *json, const char *isodisk
         for (node = g_install_template_head; node; node = next)
         {
             next = node->next;
+            grub_check_free(node->templatepath);
             grub_free(node);
         }
 
@@ -158,14 +241,14 @@ static int ventoy_plugin_auto_install_entry(VTOY_JSON *json, const char *isodisk
         iso = vtoy_json_get_string_ex(pNode->pstChild, "image");
         if (iso && iso[0] == '/')
         {
-            script = vtoy_json_get_string_ex(pNode->pstChild, "template");
-            if (script && script[0] == '/')
+            if (0 == ventoy_plugin_parse_fullpath(pNode->pstChild, isodisk, "template", &templatepath, &pathnum))
             {
                 node = grub_zalloc(sizeof(install_template));
                 if (node)
                 {
-                    grub_snprintf(node->isopath, sizeof(node->isopath), "%s", iso);
-                    grub_snprintf(node->templatepath, sizeof(node->templatepath), "%s", script);
+                    node->pathlen = grub_snprintf(node->isopath, sizeof(node->isopath), "%s", iso);
+                    node->templatepath = templatepath;
+                    node->templatenum = pathnum;
 
                     if (g_install_template_head)
                     {
@@ -184,11 +267,12 @@ static int ventoy_plugin_auto_install_entry(VTOY_JSON *json, const char *isodisk
 
 static int ventoy_plugin_persistence_entry(VTOY_JSON *json, const char *isodisk)
 {
+    int pathnum = 0;
     const char *iso = NULL;
-    const char *persist = NULL;
     VTOY_JSON *pNode = NULL;
     persistence_config *node = NULL;
     persistence_config *next = NULL;
+    file_fullpath *backendpath = NULL;
 
     (void)isodisk;
 
@@ -203,6 +287,7 @@ static int ventoy_plugin_persistence_entry(VTOY_JSON *json, const char *isodisk)
         for (node = g_persistence_head; node; node = next)
         {
             next = node->next;
+            grub_check_free(node->backendpath);
             grub_free(node);
         }
 
@@ -214,14 +299,14 @@ static int ventoy_plugin_persistence_entry(VTOY_JSON *json, const char *isodisk)
         iso = vtoy_json_get_string_ex(pNode->pstChild, "image");
         if (iso && iso[0] == '/')
         {
-            persist = vtoy_json_get_string_ex(pNode->pstChild, "backend");
-            if (persist && persist[0] == '/')
+            if (0 == ventoy_plugin_parse_fullpath(pNode->pstChild, isodisk, "backend", &backendpath, &pathnum))
             {
                 node = grub_zalloc(sizeof(persistence_config));
                 if (node)
                 {
-                    grub_snprintf(node->isopath, sizeof(node->isopath), "%s", iso);
-                    grub_snprintf(node->filepath, sizeof(node->filepath), "%s", persist);
+                    node->pathlen = grub_snprintf(node->isopath, sizeof(node->isopath), "%s", iso);
+                    node->backendpath = backendpath;
+                    node->backendnum = pathnum;
 
                     if (g_persistence_head)
                     {
@@ -325,15 +410,18 @@ grub_err_t ventoy_cmd_load_plugin(grub_extcmd_context_t ctxt, int argc, char **a
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
-
 void ventoy_plugin_dump_auto_install(void)
 {
+    int i;
     install_template *node = NULL;
 
     for (node = g_install_template_head; node; node = node->next)
     {
-        grub_printf("IMAGE:<%s>\n", node->isopath);
-        grub_printf("SCRIPT:<%s>\n\n", node->templatepath);
+        grub_printf("\nIMAGE:<%s>\n", node->isopath);
+        for (i = 0; i < node->templatenum; i++)
+        {
+            grub_printf("SCRIPT %d:<%s>\n", i, node->templatepath[i].path);            
+        }
     }
 
     return;
@@ -342,69 +430,110 @@ void ventoy_plugin_dump_auto_install(void)
 void ventoy_plugin_dump_persistence(void)
 {
     int rc;
+    int i = 0;
     persistence_config *node = NULL;
     ventoy_img_chunk_list chunk_list;
-    
+
     for (node = g_persistence_head; node; node = node->next)
     {
-        grub_printf("IMAGE:<%s>\n", node->isopath);
-        grub_printf("PERSIST:<%s>", node->filepath);
+        grub_printf("\nIMAGE:<%s>\n", node->isopath);
 
-        rc = ventoy_plugin_get_persistent_chunklist(node->isopath, &chunk_list);
-        if (rc == 0)
-        {
-            grub_printf(" [ SUCCESS ]\n\n");
-            grub_free(chunk_list.chunk);
-        }
-        else
+        for (i = 0; i < node->backendnum; i++)
         {
-            grub_printf(" [ FAILED ]\n\n");
+            grub_printf("PERSIST %d:<%s>", i, node->backendpath[i].path);            
+            rc = ventoy_plugin_get_persistent_chunklist(node->isopath, i, &chunk_list);
+            if (rc == 0)
+            {
+                grub_printf(" [ SUCCESS ]\n");
+                grub_free(chunk_list.chunk);
+            }
+            else
+            {
+                grub_printf(" [ FAILED ]\n");
+            }
         }
     }
 
     return;
 }
 
+install_template * ventoy_plugin_find_install_template(const char *isopath)
+{
+    install_template *node = NULL;
+    int len = (int)grub_strlen(isopath);
+    
+    for (node = g_install_template_head; node; node = node->next)
+    {
+        if (node->pathlen == len && grub_strcmp(node->isopath, isopath) == 0)
+        {
+            return node;
+        }
+    }
+
+    return NULL;
+}
 
-char * ventoy_plugin_get_install_template(const char *isopath)
+char * ventoy_plugin_get_cur_install_template(const char *isopath)
 {
     install_template *node = NULL;
 
-    for (node = g_install_template_head; node; node = node->next)
+    node = ventoy_plugin_find_install_template(isopath);
+    if ((!node) || (!node->templatepath))
     {
-        if (grub_strcmp(node->isopath, isopath) == 0)
+        return NULL;
+    }
+
+    if (node->cursel < 0 || node->cursel >= node->templatenum)
+    {
+        return NULL;
+    }
+
+    return node->templatepath[node->cursel].path;
+}
+
+persistence_config * ventoy_plugin_find_persistent(const char *isopath)
+{
+    persistence_config *node = NULL;
+    int len = (int)grub_strlen(isopath);
+    
+    for (node = g_persistence_head; node; node = node->next)
+    {
+        if ((len == node->pathlen) && (grub_strcmp(node->isopath, isopath) == 0))
         {
-            return node->templatepath;
+            return node;
         }
     }
 
     return NULL;
 }
 
-int ventoy_plugin_get_persistent_chunklist(const char *isopath, ventoy_img_chunk_list *chunk_list)
+int ventoy_plugin_get_persistent_chunklist(const char *isopath, int index, ventoy_img_chunk_list *chunk_list)
 {
     int rc = 1;
     grub_uint64_t start = 0;
     grub_file_t file = NULL;
     persistence_config *node = NULL;
 
-    for (node = g_persistence_head; node; node = node->next)
+    node = ventoy_plugin_find_persistent(isopath);
+    if ((!node) || (!node->backendpath))
     {
-        if (grub_strcmp(node->isopath, isopath) == 0)
-        {
-            break;
-        }
+        return 1;
     }
 
-    if (NULL == node)
+    if (index < 0)
     {
-        goto end;
+        index = node->cursel;
+    }
+
+    if (index < 0 || index >= node->backendnum)
+    {
+        return 1;
     }
 
-    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s%s", g_iso_disk_name, node->filepath);
+    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s%s", g_iso_disk_name, node->backendpath[index].path);
     if (!file)
     {
-        debug("Failed to open file %s%s\n", g_iso_disk_name, node->filepath);
+        debug("Failed to open file %s%s\n", g_iso_disk_name, node->backendpath[index].path);
         goto end;
     }
 
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_windows.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_windows.c
index 529d3086..6ca05632 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_windows.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy_windows.c
@@ -470,7 +470,7 @@ int ventoy_fill_windows_rtdata(void *buf, char *isopath)
         return 1;
     }
 
-    script = ventoy_plugin_get_install_template(pos);
+    script = ventoy_plugin_get_cur_install_template(pos);
     if (script)
     {
         debug("auto install script <%s>\n", script);
@@ -478,7 +478,7 @@ int ventoy_fill_windows_rtdata(void *buf, char *isopath)
     }
     else
     {
-        debug("auto install script not found %p\n", pos);
+        debug("auto install script skipped or not configed %s\n", pos);
     }
     
     return 0;
@@ -957,3 +957,214 @@ grub_err_t ventoy_cmd_windows_chain_data(grub_extcmd_context_t ctxt, int argc, c
     VENTOY_CMD_RETURN(GRUB_ERR_NONE);
 }
 
+static grub_uint32_t ventoy_get_wim_iso_offset(const char *filepath)
+{
+    grub_uint32_t imgoffset;
+    grub_file_t file;
+    char cmdbuf[128];
+    
+    grub_snprintf(cmdbuf, sizeof(cmdbuf), "loopback wimiso %s", filepath);
+    grub_script_execute_sourcecode(cmdbuf);
+
+    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", "(wimiso)/boot/boot.wim");
+    if (!file)
+    {
+        grub_printf("Failed to open boot.wim file in the image file\n");
+        return 0;
+    }
+
+    imgoffset = (grub_uint32_t)grub_iso9660_get_last_file_dirent_pos(file) + 2;
+
+    debug("wimiso wim direct offset: %u\n", imgoffset);
+    
+    grub_file_close(file);
+    
+    grub_script_execute_sourcecode("loopback -d wimiso");
+
+    return imgoffset;
+}
+
+static int ventoy_get_wim_chunklist(const char *filename, ventoy_img_chunk_list *wimchunk, grub_uint64_t *wimsize)
+{
+    grub_file_t wimfile;
+    
+    wimfile = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", filename);
+    if (!wimfile)
+    {
+        return 1;
+    }
+
+    grub_memset(wimchunk, 0, sizeof(ventoy_img_chunk_list));
+    wimchunk->chunk = grub_malloc(sizeof(ventoy_img_chunk) * DEFAULT_CHUNK_NUM);
+    if (NULL == wimchunk->chunk)
+    {
+        grub_file_close(wimfile);
+        return grub_error(GRUB_ERR_OUT_OF_MEMORY, "Can't allocate image chunk memoty\n");
+    }
+    
+    wimchunk->max_chunk = DEFAULT_CHUNK_NUM;
+    wimchunk->cur_chunk = 0;
+    
+    ventoy_get_block_list(wimfile, wimchunk, wimfile->device->disk->partition->start);
+
+    *wimsize = wimfile->size;
+    grub_file_close(wimfile);
+
+    return 0;
+}
+
+grub_err_t ventoy_cmd_wim_chain_data(grub_extcmd_context_t ctxt, int argc, char **args)
+{
+    grub_uint32_t i = 0;
+    grub_uint32_t imgoffset = 0;
+    grub_uint32_t size = 0;
+    grub_uint32_t isosector = 0;
+    grub_uint64_t wimsize = 0;
+    grub_uint32_t boot_catlog = 0;
+    grub_uint32_t img_chunk1_size = 0;
+    grub_uint32_t img_chunk2_size = 0;
+    grub_uint32_t override_size = 0;
+    grub_file_t file;
+    grub_disk_t disk;
+    const char *pLastChain = NULL;
+    ventoy_chain_head *chain;
+    ventoy_iso9660_override *dirent;
+    ventoy_img_chunk *chunknode;
+    ventoy_override_chunk *override;
+    ventoy_img_chunk_list wimchunk;
+    char envbuf[128];
+    
+    (void)ctxt;
+    (void)argc;
+
+    debug("wim chain data begin <%s> ...\n", args[0]);
+
+    if (NULL == g_wimiso_chunk_list.chunk || NULL == g_wimiso_path)
+    {
+        grub_printf("ventoy not ready\n");
+        return 1;
+    }
+
+    imgoffset = ventoy_get_wim_iso_offset(g_wimiso_path);
+    if (imgoffset == 0)
+    {
+        grub_printf("image offset not found\n");
+        return 1;
+    }
+
+    if (0 != ventoy_get_wim_chunklist(args[0], &wimchunk, &wimsize))
+    {
+        grub_printf("Failed to get wim chunklist\n");
+        return 1;
+    }
+
+    file = ventoy_grub_file_open(VENTOY_FILE_TYPE, "%s", g_wimiso_path);
+    if (!file)
+    {
+        return 1;
+    }
+
+    boot_catlog = ventoy_get_iso_boot_catlog(file);
+
+    img_chunk1_size = g_wimiso_chunk_list.cur_chunk * sizeof(ventoy_img_chunk);
+    img_chunk2_size = wimchunk.cur_chunk * sizeof(ventoy_img_chunk);
+    override_size = sizeof(ventoy_override_chunk);
+    
+    size = sizeof(ventoy_chain_head) + img_chunk1_size + img_chunk2_size + override_size;
+
+    pLastChain = grub_env_get("vtoy_chain_mem_addr");
+    if (pLastChain)
+    {
+        chain = (ventoy_chain_head *)grub_strtoul(pLastChain, NULL, 16);
+        if (chain)
+        {
+            debug("free last chain memory %p\n", chain);
+            grub_free(chain);
+        }
+    }
+
+    chain = grub_malloc(size);
+    if (!chain)
+    {
+        grub_printf("Failed to alloc chain memory size %u\n", size);
+        grub_file_close(file);
+        return 1;
+    }
+
+    grub_snprintf(envbuf, sizeof(envbuf), "0x%lx", (unsigned long)chain);
+    grub_env_set("vtoy_chain_mem_addr", envbuf);
+    grub_snprintf(envbuf, sizeof(envbuf), "%u", size);
+    grub_env_set("vtoy_chain_mem_size", envbuf);
+
+    grub_memset(chain, 0, sizeof(ventoy_chain_head));
+
+    /* part 1: os parameter */
+    ventoy_fill_os_param(file, &(chain->os_param));
+
+    /* part 2: chain head */
+    disk = file->device->disk;
+    chain->disk_drive = disk->id;
+    chain->disk_sector_size = (1 << disk->log_sector_size);
+    chain->real_img_size_in_bytes = ventoy_align_2k(file->size) + ventoy_align_2k(wimsize);
+    chain->virt_img_size_in_bytes = chain->real_img_size_in_bytes;
+    chain->boot_catalog = boot_catlog;
+
+    if (!ventoy_is_efi_os())
+    {
+        grub_file_seek(file, boot_catlog * 2048);
+        grub_file_read(file, chain->boot_catalog_sector, sizeof(chain->boot_catalog_sector));
+    }
+
+    /* part 3: image chunk */
+    chain->img_chunk_offset = sizeof(ventoy_chain_head);
+    chain->img_chunk_num = g_wimiso_chunk_list.cur_chunk + wimchunk.cur_chunk;
+    grub_memcpy((char *)chain + chain->img_chunk_offset, g_wimiso_chunk_list.chunk, img_chunk1_size);
+
+    /* fs cluster size >= 2048, so don't need to proc align */
+
+    /* align by 2048 */
+    chunknode = wimchunk.chunk + wimchunk.cur_chunk - 1;
+    i = (chunknode->disk_end_sector + 1 - chunknode->disk_start_sector) % 4;
+    if (i)
+    {
+        chunknode->disk_end_sector += 4 - i;
+    }
+
+    isosector = (grub_uint32_t)((file->size + 2047) / 2048);
+    for (i = 0; i < wimchunk.cur_chunk; i++)
+    {
+        chunknode = wimchunk.chunk + i;
+        chunknode->img_start_sector = isosector;
+        chunknode->img_end_sector = chunknode->img_start_sector + 
+            ((chunknode->disk_end_sector + 1 - chunknode->disk_start_sector) / 4) - 1;
+        isosector = chunknode->img_end_sector + 1;
+    }
+    
+    grub_memcpy((char *)chain + chain->img_chunk_offset + img_chunk1_size, wimchunk.chunk, img_chunk2_size);
+
+    /* part 4: override chunk */
+    chain->override_chunk_offset = chain->img_chunk_offset + img_chunk1_size + img_chunk2_size;
+    chain->override_chunk_num = 1;
+
+    override = (ventoy_override_chunk *)((char *)chain + chain->override_chunk_offset);
+    override->img_offset = imgoffset;
+    override->override_size = sizeof(ventoy_iso9660_override);
+    
+    dirent = (ventoy_iso9660_override *)(override->override_data);
+    dirent->first_sector    = (grub_uint32_t)((file->size + 2047) / 2048);
+    dirent->size            = (grub_uint32_t)(wimsize);
+    dirent->first_sector_be = grub_swap_bytes32(dirent->first_sector);
+    dirent->size_be         = grub_swap_bytes32(dirent->size);
+
+    debug("imgoffset=%u first_sector=0x%x size=0x%x\n", imgoffset, dirent->first_sector, dirent->size);
+
+    if (ventoy_is_efi_os() == 0)
+    {
+        ventoy_windows_drive_map(chain);        
+    }
+
+    grub_file_close(file);
+
+    VENTOY_CMD_RETURN(GRUB_ERR_NONE);
+}
+
diff --git a/GRUB2/MOD_SRC/grub-2.04/install.sh b/GRUB2/MOD_SRC/grub-2.04/install.sh
index 3baf95f4..45a28f0d 100644
--- a/GRUB2/MOD_SRC/grub-2.04/install.sh
+++ b/GRUB2/MOD_SRC/grub-2.04/install.sh
@@ -12,7 +12,7 @@ make install
 PATH=$PATH:$VT_DIR/GRUB2/INSTALL/bin/:$VT_DIR/GRUB2/INSTALL/sbin/
 
 net_modules_legacy="net tftp http"
-all_modules_legacy="date drivemap blocklist ext2 xfs ventoy chain read halt iso9660 linux16 test true sleep reboot echo video_colors video_cirrus video_bochs vga vbe video_fb font video gettext extcmd terminal  linux minicmd help configfile tr trig boot biosdisk disk ls tar squash4 password_pbkdf2 all_video png jpeg part_msdos fat exfat ntfs loopback gzio normal  udf gfxmenu gfxterm gfxterm_background gfxterm_menu"
+all_modules_legacy="date drivemap blocklist lspci pci ext2 xfs ventoy chain read halt iso9660 linux16 test true sleep reboot echo videotest videoinfo videotest_checksum video_colors video_cirrus video_bochs vga vbe video_fb font video gettext extcmd terminal  linux minicmd help configfile tr trig boot biosdisk disk ls tar squash4 password_pbkdf2 all_video png jpeg part_msdos fat exfat ntfs loopback gzio normal  udf gfxmenu gfxterm gfxterm_background gfxterm_menu"
 
 net_modules_uefi="efinet net tftp http"
 all_modules_uefi="blocklist ventoy test ext2 xfs read halt sleep serial terminfo png password_pbkdf2 gcry_sha512 pbkdf2 part_gpt part_msdos ls tar squash4 loopback part_apple minicmd diskfilter linux relocator jpeg iso9660 udf hfsplus halt acpi mmap gfxmenu video_colors trig bitmap_scale gfxterm bitmap font fat exfat ntfs fshelp efifwsetup reboot echo configfile normal terminal gettext chain  priority_queue bufio datetime cat extcmd crypto gzio boot all_video efi_gop efi_uga video_bochs video_cirrus video video_fb gfxterm_background gfxterm_menu"
diff --git a/IMG/cpio/ventoy/hook/arch/ventoy-hook.sh b/IMG/cpio/ventoy/hook/arch/ventoy-hook.sh
index 7d842e2f..e65fb5bf 100644
--- a/IMG/cpio/ventoy/hook/arch/ventoy-hook.sh
+++ b/IMG/cpio/ventoy/hook/arch/ventoy-hook.sh
@@ -22,6 +22,10 @@
 if $GREP -q '^"$mount_handler"' /init; then
     echo 'use mount_handler ...' >> $VTLOG
     $SED "/^\"\$mount_handler\"/i\ $BUSYBOX_PATH/sh $VTOY_PATH/hook/arch/ventoy-disk.sh \"\$archisodevice\"" -i /init
+    
+    if [ -f /hooks/archiso ]; then
+        $SED  '/while ! poll_device "${dev}"/a\    if /ventoy/busybox/sh /ventoy/hook/arch/ventoy-timeout.sh ${dev}; then break; fi'   -i /hooks/archiso
+    fi
 else
     # some archlinux initramfs doesn't contain device-mapper udev rules file
     ARCH_UDEV_DIR=$(ventoy_get_udev_conf_dir)
diff --git a/IMG/cpio/ventoy/hook/arch/ventoy-timeout.sh b/IMG/cpio/ventoy/hook/arch/ventoy-timeout.sh
new file mode 100644
index 00000000..fec9cc07
--- /dev/null
+++ b/IMG/cpio/ventoy/hook/arch/ventoy-timeout.sh
@@ -0,0 +1,36 @@
+#!/ventoy/busybox/sh
+#************************************************************************************
+# Copyright (c) 2020, longpanda <admin@ventoy.net>
+# 
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 3 of the
+# License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# 
+#************************************************************************************
+
+. /ventoy/hook/ventoy-hook-lib.sh
+
+vtlog "######### $0 $* ############"
+
+blkdev_num=$($VTOY_PATH/tool/dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1:\2/')
+vtDM=$(ventoy_find_dm_id ${blkdev_num})
+
+if [ -b /dev/$vtDM ]; then
+    vtlog "ln -s /dev/$vtDM $1"
+    ln -s /dev/$vtDM "$1"
+    exit 0
+else
+    vtlog "Device-mapper not found"
+    exit 1
+fi
+
+
diff --git a/IMG/cpio/ventoy/hook/default/ventoy-inotifyd-start.sh b/IMG/cpio/ventoy/hook/default/ventoy-inotifyd-start.sh
index 7981b1e6..6be81555 100644
--- a/IMG/cpio/ventoy/hook/default/ventoy-inotifyd-start.sh
+++ b/IMG/cpio/ventoy/hook/default/ventoy-inotifyd-start.sh
@@ -21,5 +21,11 @@
 
 vtHook=$($CAT $VTOY_PATH/inotifyd-hook-script.txt)
 
-vtlog "... start inotifyd listen $vtHook ..."
-$BUSYBOX_PATH/nohup $VTOY_PATH/tool/inotifyd $vtHook  /dev:n  2>&-  & 
+vtdisk=$(get_ventoy_disk_name)
+if [ "$vtdisk" = "unknown" ]; then
+    vtlog "... start inotifyd listen $vtHook ..."
+    $BUSYBOX_PATH/nohup $VTOY_PATH/tool/inotifyd $vtHook  /dev:n  2>&-  & 
+else
+    vtlog "... $vtdisk already exist ..."
+    $BUSYBOX_PATH/sh $vtHook n /dev "${vtdisk#/dev/}2"
+fi
diff --git a/IMG/cpio/ventoy/hook/gentoo/ventoy-hook.sh b/IMG/cpio/ventoy/hook/gentoo/ventoy-hook.sh
index 2a2588bd..ce5dbe5e 100644
--- a/IMG/cpio/ventoy/hook/gentoo/ventoy-hook.sh
+++ b/IMG/cpio/ventoy/hook/gentoo/ventoy-hook.sh
@@ -19,7 +19,7 @@
 
 . $VTOY_PATH/hook/ventoy-os-lib.sh
 
-if [ -d /etc/udev/rules.d ]; then    
+if [ -d /etc/udev/rules.d ] || [ -d /lib/udev/rules.d ]; then    
     ventoy_systemd_udevd_work_around
     ventoy_add_udev_rule "$VTOY_PATH/hook/default/udev_disk_hook.sh %k noreplace"
 else
diff --git a/IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh b/IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh
index 5787f5e4..d79bb2df 100644
--- a/IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh
+++ b/IMG/cpio/ventoy/hook/rhel7/ventoy-inotifyd-hook.sh
@@ -42,7 +42,8 @@ if is_inotify_ventoy_part $3; then
     fi
     
     vtlog "set anaconda-diskroot ..."
-    /sbin/initqueue --settled --onetime --name anaconda-diskroot anaconda-diskroot  /dev/dm-0
+    /sbin/anaconda-diskroot /dev/dm-0    
+    #/sbin/initqueue --settled --onetime --name anaconda-diskroot anaconda-diskroot  /dev/dm-0
     
     set_ventoy_hook_finish
 fi
diff --git a/IMG/cpio/ventoy/hook/rhel7/ventoy-timeout.sh b/IMG/cpio/ventoy/hook/rhel7/ventoy-timeout.sh
index 5fa98f8b..a5db322c 100644
--- a/IMG/cpio/ventoy/hook/rhel7/ventoy-timeout.sh
+++ b/IMG/cpio/ventoy/hook/rhel7/ventoy-timeout.sh
@@ -27,6 +27,7 @@ blkdev_num=$(dmsetup ls | grep ventoy | sed 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]
 vtDM=$(ventoy_find_dm_id ${blkdev_num})
 
 vtlog "diskroot $vtDM ..."
-/sbin/initqueue --settled --onetime --name anaconda-diskroot anaconda-diskroot  /dev/$vtDM
+/sbin/anaconda-diskroot /dev/dm-0    
+#/sbin/initqueue --settled --onetime --name anaconda-diskroot anaconda-diskroot  /dev/$vtDM
 
 PATH=$VTPATH_OLD
diff --git a/INSTALL/EFI/BOOT/grubx64_real.efi b/INSTALL/EFI/BOOT/grubx64_real.efi
index e0624c0c..0323fce7 100644
Binary files a/INSTALL/EFI/BOOT/grubx64_real.efi and b/INSTALL/EFI/BOOT/grubx64_real.efi differ
diff --git a/INSTALL/Ventoy2Disk.exe b/INSTALL/Ventoy2Disk.exe
index 38cbf07e..ded8b109 100644
Binary files a/INSTALL/Ventoy2Disk.exe and b/INSTALL/Ventoy2Disk.exe differ
diff --git a/INSTALL/Ventoy2Disk.sh b/INSTALL/Ventoy2Disk.sh
index 257fee0a..02a69060 100644
--- a/INSTALL/Ventoy2Disk.sh
+++ b/INSTALL/Ventoy2Disk.sh
@@ -1,25 +1,5 @@
 #!/bin/sh
 
-OLDDIR=$PWD
-
-if ! [ -f ./tool/ventoy_lib.sh ]; then
-    cd ${0%Ventoy2Disk.sh}
-fi
-
-. ./tool/ventoy_lib.sh
-
-print_usage() {
-    echo 'Usage:  Ventoy2Disk.sh CMD [ OPTION ] /dev/sdX'
-    echo '  CMD:'
-    echo '   -i  install ventoy to sdX (fail if disk already installed with ventoy)'
-    echo '   -u  update ventoy in sdX'
-    echo '   -I  force install ventoy to sdX (no matter installed or not)'
-    echo ''
-    echo '  OPTION: (optional)'
-    echo '   -s  enable secure boot support (default is disabled)'
-    echo ''
-    
-}
 
 echo ''
 echo '***********************************************************'
@@ -28,334 +8,43 @@ echo '*             longpanda  admin@ventoy.net                 *'
 echo '***********************************************************'
 echo ''
 
-vtdebug "############# Ventoy2Disk $0 ################"
+OLDDIR=$PWD
 
-while [ -n "$1" ]; do
-    if [ "$1" = "-i" ]; then
-        MODE="install"
-    elif [ "$1" = "-I" ]; then
-        MODE="install"
-        FORCE="Y"
-    elif [ "$1" = "-u" ]; then
-        MODE="update"
-    elif [ "$1" = "-s" ]; then
-        SECUREBOOT="YES"
-    else
-        if ! [ -b "$1" ]; then
-            vterr "$1 is NOT a valid device"
-            print_usage
-            cd $OLDDIR
-            exit 1
-        fi
-        DISK=$1
+if ! [ -f ./tool/xzcat ]; then
+    if [ -f ${0%Ventoy2Disk.sh}/tool/xzcat ]; then
+        cd ${0%Ventoy2Disk.sh}    
     fi
-    
-    shift
-done
-
-if [ -z "$MODE" ]; then
-    print_usage
-    cd $OLDDIR
-    exit 1
-fi
-
-if ! [ -b "$DISK" ]; then
-    vterr "Disk $DISK does not exist"
-    cd $OLDDIR
-    exit 1
-fi
-
-if [ -e /sys/class/block/${DISK#/dev/}/start ]; then
-    vterr "$DISK is a partition, please use the whole disk"
-    cd $OLDDIR
-    exit 1
 fi
 
-if dd if="$DISK" of=/dev/null bs=1 count=1 >/dev/null 2>&1; then
-    vtdebug "root permission check ok ..."
-else
-    vterr "Failed to access $DISK, maybe root privilege is needed!"
-    echo ''
-    cd $OLDDIR
-    exit 1
-fi
-
-vtdebug "MODE=$MODE FORCE=$FORCE"
-
 if ! [ -f ./boot/boot.img ]; then
     if [ -d ./grub ]; then
-        vterr "Don't run me here, please download the released install package, and run there."
+        echo "Don't run Ventoy2Disk.sh here, please download the released install package, and run the script in it."
     else
-        vterr "Please run under the right directory!" 
-    fi
-    exit 1
-fi
-
-#decompress tool
-cd tool
-chmod +x ./xzcat
-for file in $(ls); do
-    if [ "$file" != "xzcat" ]; then
-        if [ "$file" != "ventoy_lib.sh" ]; then
-            ./xzcat $file > ${file%.xz}
-            chmod +x ${file%.xz}
-        fi
+        echo "Please run under the correct directory!" 
     fi
-done
-cd ../
-
-if ! check_tool_work_ok; then
-    vterr "Some tools can not run in current system. Please check log.txt for detail."
-    cd $OLDDIR
-    exit 1
-fi
-
-testEF=$(echo -en '\xEF' | ./tool/hexdump -n 1 -e '1/1 "%02X"')
-if [ "$testEF" != "EF" ]; then
-    vtdebug "testEF=##${testEF}##"
-    vterr "There is something wrong with the interpreter !"
     exit 1
 fi
 
-grep "^$DISK" /proc/mounts | while read mtline; do
-    mtpnt=$(echo $mtline | awk '{print $2}')
-    vtdebug "Trying to umount $mtpnt ..."
-    umount $mtpnt >/dev/null 2>&1
-done
+echo "############# Ventoy2Disk $* ################" >> ./log.txt
 
-if swapon -s | grep -q "^${DISK}[0-9]"; then
-    swapon -s | grep "^${DISK}[0-9]" | awk '{print $1}' | while read line; do
-        vtdebug "Trying to swapoff $line ..."
-        swapoff $line
+#decompress tool
+if ! [ -f ./tool/ash ]; then
+    cd tool
+    chmod +x ./xzcat
+    for file in $(ls *.xz); do
+        ./xzcat $file > ${file%.xz}
+        chmod +x ${file%.xz}
     done
-fi
-
-
-if grep "$DISK" /proc/mounts; then
-    vterr "$DISK is already mounted, please umount it first!"
-    cd $OLDDIR
-    exit 1
-fi
-
-if swapon -s | grep -q "^${DISK}[0-9]"; then
-    vterr "$DISK is used as swap, please swapoff it first!"
-    cd $OLDDIR
-    exit 1
-fi
-
-
-if [ "$MODE" = "install" ]; then
-    vtdebug "install ventoy ..."
-
-    if parted -v > /dev/null 2>&1; then
-        PARTTOOL='parted'
-    elif fdisk -v >/dev/null 2>&1; then
-        PARTTOOL='fdisk'
-    else
-        vterr "Both parted and fdisk are not found in the sysstem, Ventoy can't create new partition."
-        cd $OLDDIR
-        exit 1
-    fi
-    
-    version=$(get_disk_ventoy_version $DISK)
-    if [ $? -eq 0 ]; then
-        if [ -z "$FORCE" ]; then
-            vtwarn "$DISK already contains a Ventoy with version $version"
-            vtwarn "Use -u option to do a safe upgrade operation."
-            vtwarn "OR if you really want to reinstall ventoy to $DISK, please use -I option."
-            vtwarn ""
-            cd $OLDDIR
-            exit 1
-        fi
-    fi
-    
-    disk_sector_num=$(cat /sys/block/${DISK#/dev/}/size)
-    disk_size_gb=$(expr $disk_sector_num / 2097152)
-
-    if [ $disk_sector_num -gt 4294967296 ]; then
-        vterr "$DISK is over 2TB size, MBR will not work on it."
-        cd $OLDDIR
-        exit 1
-    fi
-
-    #Print disk info
-    echo "Disk : $DISK"
-    parted -s $DISK p 2>&1 | grep Model
-    echo "Size : $disk_size_gb GB"
-    echo ''
-
-    vtwarn "Attention:"
-    vtwarn "You will install Ventoy to $DISK."
-    vtwarn "All the data on the disk $DISK will be lost!!!"
-    echo ""
-
-    read -p 'Continue? (y/n)'  Answer
-    if [ "$Answer" != "y" ]; then
-        if [ "$Answer" != "Y" ]; then
-            exit 0
-        fi
-    fi
-
-    echo ""
-    vtwarn "All the data on the disk $DISK will be lost!!!"
-    read -p 'Double-check. Continue? (y/n)'  Answer
-    if [ "$Answer" != "y" ]; then
-        if [ "$Answer" != "Y" ]; then
-            exit 0
-        fi
-    fi
-
-
-    if [ $disk_sector_num -le $VENTOY_SECTOR_NUM ]; then  
-        vterr "No enough space in disk $DISK"
-        exit 1
-    fi
-
-    if ! dd if=/dev/zero of=$DISK bs=1 count=512 status=none conv=fsync; then
-        vterr "Write data to $DISK failed, please check whether it's in use."
-        exit 1
-    fi
-
-    format_ventoy_disk $DISK $PARTTOOL
-
-    # format part1
-    if ventoy_is_linux64; then
-        cmd=./tool/mkexfatfs_64
-    else
-        cmd=./tool/mkexfatfs_32
-    fi
+    cd ../
 
-    chmod +x ./tool/*
-
-    # DiskSize > 32GB  Cluster Size use 128KB
-    # DiskSize < 32GB  Cluster Size use 32KB
-    if [ $disk_size_gb -gt 32 ]; then
-        cluster_sectors=256
-    else
-        cluster_sectors=64
-    fi
-
-    $cmd -n ventoy -s $cluster_sectors ${DISK}1
-
-    chmod +x ./tool/vtoy_gen_uuid
-
-    vtinfo "writing data to disk ..."
-    dd status=none conv=fsync if=./boot/boot.img of=$DISK bs=1 count=446
-    ./tool/xzcat ./boot/core.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=2047 seek=1
-    ./tool/xzcat ./ventoy/ventoy.disk.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=$VENTOY_SECTOR_NUM seek=$part2_start_sector
-    
-    #disk uuid
-    ./tool/vtoy_gen_uuid | dd status=none conv=fsync of=${DISK} seek=384 bs=1 count=16
-    
-    #disk signature
-    ./tool/vtoy_gen_uuid | dd status=none conv=fsync of=${DISK} skip=12 seek=440 bs=1 count=4
-
-    vtinfo "sync data ..."
-    sync
-    
-    vtinfo "esp partition processing ..."
-    
-    sleep 1
-    mtpnt=$(grep "^${DISK}2" /proc/mounts | awk '{print $2}')
-    if [ -n "$mtpnt" ]; then
-        umount $mtpnt >/dev/null 2>&1
-    fi
-    
-    if [ "$SECUREBOOT" != "YES" ]; then
-        mkdir ./tmp_mnt
-        
-        vtdebug "mounting part2 ...."
-        for tt in 1 2 3; do
-            if mount ${DISK}2 ./tmp_mnt; then
-                vtdebug "mounting part2 success"
-                break
-            fi
-            
-            mtpnt=$(grep "^${DISK}2" /proc/mounts | awk '{print $2}')
-            if [ -n "$mtpnt" ]; then
-                umount $mtpnt >/dev/null 2>&1
-            fi
-            sleep 2
-        done
-
-        rm -f ./tmp_mnt/EFI/BOOT/BOOTX64.EFI
-        rm -f ./tmp_mnt/EFI/BOOT/grubx64.efi
-        rm -f ./tmp_mnt/EFI/BOOT/MokManager.efi
-        rm -f ./tmp_mnt/ENROLL_THIS_KEY_IN_MOKMANAGER.cer
-        mv ./tmp_mnt/EFI/BOOT/grubx64_real.efi  ./tmp_mnt/EFI/BOOT/BOOTX64.EFI
-        
-        umount ./tmp_mnt
-        rm -rf ./tmp_mnt
-    fi
-
-    echo ""
-    vtinfo "Install Ventoy to $DISK successfully finished."
-    echo ""
-    
-else
-    vtdebug "update ventoy ..."
-    
-    oldver=$(get_disk_ventoy_version $DISK)
-    if [ $? -ne 0 ]; then
-        vtwarn "$DISK does not contain ventoy or data corupted"
-        echo ""
-        vtwarn "Please use -i option if you want to install ventoy to $DISK"
-        echo ""
+    if ! [ -f ./tool/ash ]; then
+        echo 'Failed to decompress tools ...'
         cd $OLDDIR
         exit 1
     fi
-
-    curver=$(cat ./ventoy/version)
-
-    vtinfo "Upgrade operation is safe, all the data in the 1st partition (iso files and other) will be unchanged!"
-    echo ""
-
-    read -p "Update Ventoy  $oldver ===> $curver   Continue? (y/n)"  Answer
-    if [ "$Answer" != "y" ]; then
-        if [ "$Answer" != "Y" ]; then
-            cd $OLDDIR
-            exit 0
-        fi
-    fi
-
-    PART2=$(get_disk_part_name $DISK 2)
-    
-    dd status=none conv=fsync if=./boot/boot.img of=$DISK bs=1 count=440
-    
-    ./tool/xzcat ./boot/core.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=2047 seek=1  
-
-    disk_sector_num=$(cat /sys/block/${DISK#/dev/}/size) 
-    part2_start=$(expr $disk_sector_num - $VENTOY_SECTOR_NUM)
-    ./tool/xzcat ./ventoy/ventoy.disk.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=$VENTOY_SECTOR_NUM seek=$part2_start
-
-    sync
-    
-    if [ "$SECUREBOOT" != "YES" ]; then
-        mkdir ./tmp_mnt
-        
-        vtdebug "mounting part2 ...."
-        for tt in 1 2 3; do
-            if mount ${DISK}2 ./tmp_mnt; then
-                vtdebug "mounting part2 success"
-                break
-            fi
-            sleep 2
-        done
-              
-        rm -f ./tmp_mnt/EFI/BOOT/BOOTX64.EFI
-        rm -f ./tmp_mnt/EFI/BOOT/grubx64.efi
-        rm -f ./tmp_mnt/EFI/BOOT/MokManager.efi
-        rm -f ./tmp_mnt/ENROLL_THIS_KEY_IN_MOKMANAGER.cer
-        mv ./tmp_mnt/EFI/BOOT/grubx64_real.efi  ./tmp_mnt/EFI/BOOT/BOOTX64.EFI
-        
-        umount ./tmp_mnt
-        rm -rf ./tmp_mnt
-    fi
-
-    echo ""
-    vtinfo "Update Ventoy to $DISK successfully finished."
-    echo ""
-    
 fi
 
+./tool/ash ./tool/VentoyWorker.sh $*
+
 cd $OLDDIR
+
diff --git a/INSTALL/grub/grub.cfg b/INSTALL/grub/grub.cfg
index 0c51f5c1..2a2175d3 100644
--- a/INSTALL/grub/grub.cfg
+++ b/INSTALL/grub/grub.cfg
@@ -17,23 +17,7 @@
 #************************************************************************************
 
 function ventoy_power {
-    echo '<1>  Reboot'
-    echo '<2>  Halt'
-    echo '<0>  Return to menu'
-    echo -e '\nPlease enter your choice:'
-    
-    unset vtOpt
-    read vtOpt
-    
-    if [ "$vtOpt" = "1" ]; then
-        echo -e '\n\nSystem is rebooting ... \n'
-        sleep 1
-        reboot
-    elif [ "$vtOpt" = "2" ]; then
-        echo -e '\n\nSystem is halting ... \n'
-        sleep 1
-        halt
-    fi
+    configfile ${vtoy_path}/grub/power.cfg
 }
 
 function get_os_type {
@@ -239,6 +223,8 @@ function uefi_iso_menu_func {
     fi
 
     vt_chosen_img_path chosen_path
+    vt_select_auto_install ${chosen_path}
+    vt_select_persistence ${chosen_path}
 
     if vt_is_udf ${1}${chosen_path}; then
         set ventoy_fs_probe=udf
@@ -386,6 +372,8 @@ function legacy_iso_menu_func {
     fi
 
     vt_chosen_img_path chosen_path
+    vt_select_auto_install ${chosen_path}
+    vt_select_persistence ${chosen_path}
 
     if vt_is_udf ${1}${chosen_path}; then
         set ventoy_fs_probe=udf
@@ -431,7 +419,7 @@ function legacy_iso_memdisk {
     boot
 }
 
-function common_menuentry {
+function iso_common_menuentry {
     if [ "$grub_platform" = "pc" ]; then
         if vt_check_mode 0; then
             legacy_iso_memdisk $iso_path
@@ -447,6 +435,39 @@ function common_menuentry {
     fi      
 }
 
+function iso_unsupport_menuentry {
+    echo -e "\n The name of the iso file could NOT contain space or non-ascii characters. \n"
+    echo -e "\n Will return to main menu after 10 seconds ...\n"
+    sleep 10
+}
+
+
+function wim_common_menuentry {
+    vt_chosen_img_path chosen_path
+    vt_wim_chain_data ${iso_path}${chosen_path}    
+    if [ -n "${vtdebug_flag}" ]; then
+        sleep 5
+    fi
+    
+    if [ -n "$vtoy_chain_mem_addr" ]; then
+        if [ "$grub_platform" = "pc" ]; then
+            linux16   $vtoy_path/ipxe.krn ${vtdebug_flag}  mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
+        else
+            terminal_output  console       
+            chainloader ${vtoy_path}/ventoy_x64.efi  env_param=${env_param} isoefi=${LoadIsoEfiDriver} ${vtdebug_flag} mem:${vtoy_chain_mem_addr}:size:${vtoy_chain_mem_size}
+        fi
+        boot
+    else
+        echo "chain empty failed"
+        sleep 5
+    fi
+}
+
+function wim_unsupport_menuentry {
+    echo -e "\n The name of the wim file could NOT contain space or non-ascii characters. \n"
+    echo -e "\n Will return to main menu after 10 seconds ...\n"
+    sleep 10
+}
 
 #############################################################
 #############################################################
@@ -456,7 +477,7 @@ function common_menuentry {
 #############################################################
 #############################################################
 
-set VENTOY_VERSION="1.0.11"
+set VENTOY_VERSION="1.0.12"
 
 # Default menu display mode, you can change it as you want.
 #    0: List mode   
@@ -466,7 +487,7 @@ set VTOY_DEFAULT_MENU_MODE=0
 #disable timeout
 unset timeout
 
-set VTOY_MEM_DISK_STR="MEMDISK"
+set VTOY_MEM_DISK_STR="[Memdisk]"
 set VTOY_ISO_RAW_STR="ISO RAW"
 set VTOY_ISO_UEFI_DRV_STR="UEFI FS"
 
@@ -485,12 +506,14 @@ if [ "$vtoy_dev" = "tftp" ]; then
     for vtid in 0 1 2 3; do
         if [ -d (hd$vtid,2)/ventoy ]; then
             set iso_path=(hd$vtid,1)
+            set vtoy_efi_part=(hd$vtid,2)
             break
         fi
     done
 else
     set vtoy_path=($root)/ventoy    
     set iso_path=($vtoy_dev,1)
+    set vtoy_efi_part=($vtoy_dev,2)
 fi
 
 loadfont ascii
@@ -500,6 +523,12 @@ if [ -f $iso_path/ventoy/ventoy.json ]; then
    vt_load_plugin $iso_path
 fi
 
+if [ -f $iso_path/ventoy/ventoy_wimboot.img ]; then
+    vt_load_wimboot $iso_path/ventoy/ventoy_wimboot.img
+elif [ -f $vtoy_efi_part/ventoy/ventoy_wimboot.img ]; then
+    vt_load_wimboot $vtoy_efi_part/ventoy/ventoy_wimboot.img
+fi
+
 
 if [ $VTOY_DEFAULT_MENU_MODE -eq 0 ]; then
     set VTOY_F3_CMD="vt_dynamic_menu 1 1"
@@ -536,7 +565,14 @@ if [ $ventoy_img_count -gt 0 ]; then
         vt_dynamic_menu 0 1
     fi
 else
-    menuentry "No ISO files found (Press enter to reboot ...)" {
+    if [ -n "$VTOY_NO_ISO_TIP" ]; then
+        NO_ISO_MENU="No ISO files found, $VTOY_NO_ISO_TIP"
+    elif [ -n "$VTOY_DEFAULT_SEARCH_ROOT" ]; then
+        NO_ISO_MENU="No ISO files found, please check VTOY_DEFAULT_SEARCH_ROOT"
+    else
+        NO_ISO_MENU="No ISO files found"
+    fi
+    menuentry "$NO_ISO_MENU (Press enter to reboot ...)" {
         echo -e "\n    Rebooting ... "
         reboot
     }
diff --git a/INSTALL/grub/i386-pc/core.img b/INSTALL/grub/i386-pc/core.img
index 4874c6a0..83dd2167 100644
Binary files a/INSTALL/grub/i386-pc/core.img and b/INSTALL/grub/i386-pc/core.img differ
diff --git a/INSTALL/grub/power.cfg b/INSTALL/grub/power.cfg
new file mode 100644
index 00000000..daecd666
--- /dev/null
+++ b/INSTALL/grub/power.cfg
@@ -0,0 +1,15 @@
+menuentry Reboot {
+    echo -e '\n\nSystem is rebooting ... \n'
+    sleep 1
+    reboot
+}
+
+menuentry Halt {
+    echo -e '\n\nSystem is halting ... \n'
+    sleep 1
+    reboot
+}
+
+menuentry 'Return to menu [Esc]' VTOY_RET {
+    echo 'Return ...'
+}
diff --git a/INSTALL/grub/themes/ventoy/theme.txt b/INSTALL/grub/themes/ventoy/theme.txt
index a605b434..a73017b7 100644
--- a/INSTALL/grub/themes/ventoy/theme.txt
+++ b/INSTALL/grub/themes/ventoy/theme.txt
@@ -58,8 +58,8 @@ terminal-box: "terminal_box_*.png"
 
 
 + hbox{ 
-    left = 90%
-    top = 5 
+    left = 30%
+    top = 95%-25
     width = 10%
     height = 25
     + label {text = "@VTOY_MEM_DISK@" color = "red" align = "left"} 
diff --git a/INSTALL/grub/x86_64-efi/normal.mod b/INSTALL/grub/x86_64-efi/normal.mod
index 9487e610..19e42a99 100644
Binary files a/INSTALL/grub/x86_64-efi/normal.mod and b/INSTALL/grub/x86_64-efi/normal.mod differ
diff --git a/INSTALL/tool/VentoyWorker.sh b/INSTALL/tool/VentoyWorker.sh
new file mode 100644
index 00000000..224ddf8c
--- /dev/null
+++ b/INSTALL/tool/VentoyWorker.sh
@@ -0,0 +1,305 @@
+#!/bin/sh
+
+. ./tool/ventoy_lib.sh
+
+print_usage() {
+    echo 'Usage:  Ventoy2Disk.sh CMD [ OPTION ] /dev/sdX'
+    echo '  CMD:'
+    echo '   -i  install ventoy to sdX (fail if disk already installed with ventoy)'
+    echo '   -u  update ventoy in sdX'
+    echo '   -I  force install ventoy to sdX (no matter installed or not)'
+    echo ''
+    echo '  OPTION: (optional)'
+    echo '   -s  enable secure boot support (default is disabled)'
+    echo ''
+    
+}
+
+
+while [ -n "$1" ]; do
+    if [ "$1" = "-i" ]; then
+        MODE="install"
+    elif [ "$1" = "-I" ]; then
+        MODE="install"
+        FORCE="Y"
+    elif [ "$1" = "-u" ]; then
+        MODE="update"
+    elif [ "$1" = "-s" ]; then
+        SECUREBOOT="YES"
+    else
+        if ! [ -b "$1" ]; then
+            vterr "$1 is NOT a valid device"
+            print_usage
+            exit 1
+        fi
+        DISK=$1
+    fi
+    
+    shift
+done
+
+if [ -z "$MODE" ]; then
+    print_usage
+    exit 1
+fi
+
+if ! [ -b "$DISK" ]; then
+    vterr "Disk $DISK does not exist"
+    exit 1
+fi
+
+if [ -e /sys/class/block/${DISK#/dev/}/start ]; then
+    vterr "$DISK is a partition, please use the whole disk"
+    exit 1
+fi
+
+if dd if="$DISK" of=/dev/null bs=1 count=1 >/dev/null 2>&1; then
+    vtdebug "root permission check ok ..."
+else
+    vterr "Failed to access $DISK, maybe root privilege is needed!"
+    echo ''
+    exit 1
+fi
+
+vtdebug "MODE=$MODE FORCE=$FORCE"
+
+if ! check_tool_work_ok; then
+    vterr "Some tools can not run in current system. Please check log.txt for detail."
+    exit 1
+fi
+
+grep "^$DISK" /proc/mounts | while read mtline; do
+    mtpnt=$(echo $mtline | awk '{print $2}')
+    vtdebug "Trying to umount $mtpnt ..."
+    umount $mtpnt >/dev/null 2>&1
+done
+
+if swapon -s | grep -q "^${DISK}[0-9]"; then
+    swapon -s | grep "^${DISK}[0-9]" | awk '{print $1}' | while read line; do
+        vtdebug "Trying to swapoff $line ..."
+        swapoff $line
+    done
+fi
+
+
+if grep "$DISK" /proc/mounts; then
+    vterr "$DISK is already mounted, please umount it first!"
+    exit 1
+fi
+
+if swapon -s | grep -q "^${DISK}[0-9]"; then
+    vterr "$DISK is used as swap, please swapoff it first!"
+    exit 1
+fi
+
+
+if [ "$MODE" = "install" ]; then
+    vtdebug "install ventoy ..."
+
+    if parted -v > /dev/null 2>&1; then
+        PARTTOOL='parted'
+    elif fdisk -v >/dev/null 2>&1; then
+        PARTTOOL='fdisk'
+    else
+        vterr "Both parted and fdisk are not found in the sysstem, Ventoy can't create new partition."
+        exit 1
+    fi
+    
+    version=$(get_disk_ventoy_version $DISK)
+    if [ $? -eq 0 ]; then
+        if [ -z "$FORCE" ]; then
+            vtwarn "$DISK already contains a Ventoy with version $version"
+            vtwarn "Use -u option to do a safe upgrade operation."
+            vtwarn "OR if you really want to reinstall ventoy to $DISK, please use -I option."
+            vtwarn ""
+            exit 1
+        fi
+    fi
+    
+    disk_sector_num=$(cat /sys/block/${DISK#/dev/}/size)
+    disk_size_gb=$(expr $disk_sector_num / 2097152)
+
+    if [ $disk_sector_num -gt 4294967296 ]; then
+        vterr "$DISK is over 2TB size, MBR will not work on it."
+        exit 1
+    fi
+
+    #Print disk info
+    echo "Disk : $DISK"
+    parted -s $DISK p 2>&1 | grep Model
+    echo "Size : $disk_size_gb GB"
+    echo ''
+
+    vtwarn "Attention:"
+    vtwarn "You will install Ventoy to $DISK."
+    vtwarn "All the data on the disk $DISK will be lost!!!"
+    echo ""
+
+    read -p 'Continue? (y/n)'  Answer
+    if [ "$Answer" != "y" ]; then
+        if [ "$Answer" != "Y" ]; then
+            exit 0
+        fi
+    fi
+
+    echo ""
+    vtwarn "All the data on the disk $DISK will be lost!!!"
+    read -p 'Double-check. Continue? (y/n)'  Answer
+    if [ "$Answer" != "y" ]; then
+        if [ "$Answer" != "Y" ]; then
+            exit 0
+        fi
+    fi
+
+
+    if [ $disk_sector_num -le $VENTOY_SECTOR_NUM ]; then  
+        vterr "No enough space in disk $DISK"
+        exit 1
+    fi
+
+    if ! dd if=/dev/zero of=$DISK bs=1 count=512 status=none conv=fsync; then
+        vterr "Write data to $DISK failed, please check whether it's in use."
+        exit 1
+    fi
+
+    format_ventoy_disk $DISK $PARTTOOL
+
+    # format part1
+    if ventoy_is_linux64; then
+        cmd=./tool/mkexfatfs_64
+    else
+        cmd=./tool/mkexfatfs_32
+    fi
+
+    chmod +x ./tool/*
+
+    # DiskSize > 32GB  Cluster Size use 128KB
+    # DiskSize < 32GB  Cluster Size use 32KB
+    if [ $disk_size_gb -gt 32 ]; then
+        cluster_sectors=256
+    else
+        cluster_sectors=64
+    fi
+
+    $cmd -n ventoy -s $cluster_sectors ${DISK}1
+
+    chmod +x ./tool/vtoy_gen_uuid
+
+    vtinfo "writing data to disk ..."
+    dd status=none conv=fsync if=./boot/boot.img of=$DISK bs=1 count=446
+    ./tool/xzcat ./boot/core.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=2047 seek=1
+    ./tool/xzcat ./ventoy/ventoy.disk.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=$VENTOY_SECTOR_NUM seek=$part2_start_sector
+    
+    #disk uuid
+    ./tool/vtoy_gen_uuid | dd status=none conv=fsync of=${DISK} seek=384 bs=1 count=16
+    
+    #disk signature
+    ./tool/vtoy_gen_uuid | dd status=none conv=fsync of=${DISK} skip=12 seek=440 bs=1 count=4
+
+    vtinfo "sync data ..."
+    sync
+    
+    vtinfo "esp partition processing ..."
+    
+    sleep 1
+    mtpnt=$(grep "^${DISK}2" /proc/mounts | awk '{print $2}')
+    if [ -n "$mtpnt" ]; then
+        umount $mtpnt >/dev/null 2>&1
+    fi
+    
+    if [ "$SECUREBOOT" != "YES" ]; then
+        mkdir ./tmp_mnt
+        
+        vtdebug "mounting part2 ...."
+        for tt in 1 2 3; do
+            if mount ${DISK}2 ./tmp_mnt; then
+                vtdebug "mounting part2 success"
+                break
+            fi
+            
+            mtpnt=$(grep "^${DISK}2" /proc/mounts | awk '{print $2}')
+            if [ -n "$mtpnt" ]; then
+                umount $mtpnt >/dev/null 2>&1
+            fi
+            sleep 2
+        done
+
+        rm -f ./tmp_mnt/EFI/BOOT/BOOTX64.EFI
+        rm -f ./tmp_mnt/EFI/BOOT/grubx64.efi
+        rm -f ./tmp_mnt/EFI/BOOT/MokManager.efi
+        rm -f ./tmp_mnt/ENROLL_THIS_KEY_IN_MOKMANAGER.cer
+        mv ./tmp_mnt/EFI/BOOT/grubx64_real.efi  ./tmp_mnt/EFI/BOOT/BOOTX64.EFI
+        
+        umount ./tmp_mnt
+        rm -rf ./tmp_mnt
+    fi
+
+    echo ""
+    vtinfo "Install Ventoy to $DISK successfully finished."
+    echo ""
+    
+else
+    vtdebug "update ventoy ..."
+    
+    oldver=$(get_disk_ventoy_version $DISK)
+    if [ $? -ne 0 ]; then
+        vtwarn "$DISK does not contain ventoy or data corupted"
+        echo ""
+        vtwarn "Please use -i option if you want to install ventoy to $DISK"
+        echo ""
+        exit 1
+    fi
+
+    curver=$(cat ./ventoy/version)
+
+    vtinfo "Upgrade operation is safe, all the data in the 1st partition (iso files and other) will be unchanged!"
+    echo ""
+
+    read -p "Update Ventoy  $oldver ===> $curver   Continue? (y/n)"  Answer
+    if [ "$Answer" != "y" ]; then
+        if [ "$Answer" != "Y" ]; then
+            exit 0
+        fi
+    fi
+
+    PART2=$(get_disk_part_name $DISK 2)
+    
+    dd status=none conv=fsync if=./boot/boot.img of=$DISK bs=1 count=440
+    
+    ./tool/xzcat ./boot/core.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=2047 seek=1  
+
+    disk_sector_num=$(cat /sys/block/${DISK#/dev/}/size) 
+    part2_start=$(expr $disk_sector_num - $VENTOY_SECTOR_NUM)
+    ./tool/xzcat ./ventoy/ventoy.disk.img.xz | dd status=none conv=fsync of=$DISK bs=512 count=$VENTOY_SECTOR_NUM seek=$part2_start
+
+    sync
+    
+    if [ "$SECUREBOOT" != "YES" ]; then
+        mkdir ./tmp_mnt
+        
+        vtdebug "mounting part2 ...."
+        for tt in 1 2 3; do
+            if mount ${DISK}2 ./tmp_mnt; then
+                vtdebug "mounting part2 success"
+                break
+            fi
+            sleep 2
+        done
+              
+        rm -f ./tmp_mnt/EFI/BOOT/BOOTX64.EFI
+        rm -f ./tmp_mnt/EFI/BOOT/grubx64.efi
+        rm -f ./tmp_mnt/EFI/BOOT/MokManager.efi
+        rm -f ./tmp_mnt/ENROLL_THIS_KEY_IN_MOKMANAGER.cer
+        mv ./tmp_mnt/EFI/BOOT/grubx64_real.efi  ./tmp_mnt/EFI/BOOT/BOOTX64.EFI
+        
+        umount ./tmp_mnt
+        rm -rf ./tmp_mnt
+    fi
+
+    echo ""
+    vtinfo "Update Ventoy to $DISK successfully finished."
+    echo ""
+    
+fi
+
+
diff --git a/INSTALL/tool/ash b/INSTALL/tool/ash
new file mode 100644
index 00000000..04f5d228
Binary files /dev/null and b/INSTALL/tool/ash differ
diff --git a/INSTALL/tool/ventoy_lib.sh b/INSTALL/tool/ventoy_lib.sh
index 7387ed15..dd9e0959 100644
--- a/INSTALL/tool/ventoy_lib.sh
+++ b/INSTALL/tool/ventoy_lib.sh
@@ -186,6 +186,8 @@ get_disk_ventoy_version() {
 
 format_ventoy_disk() {
     DISK=$1
+    PARTTOOL=$2
+    
     PART1=$(get_disk_part_name $DISK 1)
     PART2=$(get_disk_part_name $DISK 2)
     
@@ -205,9 +207,9 @@ format_ventoy_disk() {
     fi
 
     echo ""
-    echo "Create partitions on $DISK by $2 ..."
+    echo "Create partitions on $DISK by $PARTTOOL ..."
     
-    if [ "$2" = "parted" ]; then
+    if [ "$PARTTOOL" = "parted" ]; then
         vtdebug "format disk by parted ..."
         parted -a none --script $DISK \
             mklabel msdos \
@@ -216,6 +218,9 @@ format_ventoy_disk() {
             mkpart primary fat16 $part2_start_sector $part2_end_sector \
             set 2 boot on \
             quit
+
+        sync
+        echo -en '\xEF' | dd of=$DISK conv=fsync bs=1 count=1 seek=466 > /dev/null 2>&1
     else
     vtdebug "format disk by fdisk ..."
     
@@ -243,10 +248,10 @@ w
 EOF
     fi
    
-    echo "Done"
     udevadm trigger >/dev/null 2>&1
     partprobe >/dev/null 2>&1
     sleep 3
+    echo "Done"
 
     echo 'mkfs on disk partitions ...'
     for i in 1 2 3 4 5 6 7; do
@@ -258,9 +263,6 @@ EOF
         fi
     done
 
-    if [ "$2" = "parted" ]; then
-        echo -en '\xEF' | dd of=$DISK conv=fsync bs=1 count=1 seek=466
-    fi
 
     if ! [ -b $PART2 ]; then
         MajorMinor=$(sed "s/:/ /" /sys/class/block/${PART2#/dev/}/dev)        
@@ -274,7 +276,7 @@ EOF
         fi
     fi
 
-    echo "create efi fat fs ..."
+    echo "create efi fat fs $PART2 ..."
     for i in 0 1 2 3 4 5 6 7 8 9; do
         if mkfs.vfat -F 16 -n EFI $PART2; then
             echo 'success'
@@ -285,3 +287,7 @@ EOF
         fi
     done
 }
+
+
+
+
diff --git a/INSTALL/ventoy/ipxe.krn b/INSTALL/ventoy/ipxe.krn
index d5ae13ed..5b13a0e1 100644
Binary files a/INSTALL/ventoy/ipxe.krn and b/INSTALL/ventoy/ipxe.krn differ
diff --git a/INSTALL/ventoy/ventoy.cpio b/INSTALL/ventoy/ventoy.cpio
index 4b2dd150..d8bac6aa 100644
Binary files a/INSTALL/ventoy/ventoy.cpio and b/INSTALL/ventoy/ventoy.cpio differ
diff --git a/INSTALL/ventoy/ventoy_x64.efi b/INSTALL/ventoy/ventoy_x64.efi
index 1b18a87b..8f94a70d 100644
Binary files a/INSTALL/ventoy/ventoy_x64.efi and b/INSTALL/ventoy/ventoy_x64.efi differ
diff --git a/IPXE/ipxe_mod_code/ipxe-3fe683e/src/arch/x86/core/ventoy_vdisk.c b/IPXE/ipxe_mod_code/ipxe-3fe683e/src/arch/x86/core/ventoy_vdisk.c
index fd02bb91..f113b363 100644
--- a/IPXE/ipxe_mod_code/ipxe-3fe683e/src/arch/x86/core/ventoy_vdisk.c
+++ b/IPXE/ipxe_mod_code/ipxe-3fe683e/src/arch/x86/core/ventoy_vdisk.c
@@ -224,7 +224,7 @@ int ventoy_vdisk_read(struct san_device *sandev, uint64_t lba, unsigned int coun
     ix86 = (struct i386_all_regs *)sandev->x86_regptr;
 
     readend = (lba + count) * 2048;
-    if (readend < g_chain->real_img_size_in_bytes)
+    if (readend <= g_chain->real_img_size_in_bytes)
     {
         ventoy_vdisk_read_real(lba, count, buffer);
         ix86->regs.dl = sandev->drive;
diff --git a/LANGUAGES/languages.ini b/LANGUAGES/languages.ini
index 814e2594..75d12c88 100644
Binary files a/LANGUAGES/languages.ini and b/LANGUAGES/languages.ini differ
diff --git a/Ventoy2Disk/Ventoy2Disk/PhyDrive.c b/Ventoy2Disk/Ventoy2Disk/PhyDrive.c
index ed25f967..535e1a91 100644
--- a/Ventoy2Disk/Ventoy2Disk/PhyDrive.c
+++ b/Ventoy2Disk/Ventoy2Disk/PhyDrive.c
@@ -661,6 +661,12 @@ int GetAllPhysicalDriveInfo(PHY_DRIVE_INFO *pDriveList, DWORD *pDriveCount)
             continue;
         }
 
+        if (DevDescHeader.Size < sizeof(STORAGE_DEVICE_DESCRIPTOR))
+        {
+            Log("Invalid DevDescHeader.Size:%u", DevDescHeader.Size);
+            continue;
+        }
+
         pDevDesc = (STORAGE_DEVICE_DESCRIPTOR *)malloc(DevDescHeader.Size);
         if (!pDevDesc)
         {