diff --git a/cps/__init__.py b/cps/__init__.py
index 851b04d8..f6df9636 100644
--- a/cps/__init__.py
+++ b/cps/__init__.py
@@ -91,7 +91,7 @@ if wtf_present:
 else:
     csrf = None
 
-ub.init_db(cli.settingspath)
+ub.init_db(cli.settings_path)
 # pylint: disable=no-member
 config = config_sql.load_configuration(ub.session)
 
@@ -106,7 +106,7 @@ log = logger.create()
 from . import services
 
 db.CalibreDB.update_config(config)
-db.CalibreDB.setup_db(config.config_calibre_dir, cli.settingspath)
+db.CalibreDB.setup_db(config.config_calibre_dir, cli.settings_path)
 
 
 calibre_db = db.CalibreDB()
diff --git a/cps/cli.py b/cps/cli.py
index 36c03513..629fd76d 100644
--- a/cps/cli.py
+++ b/cps/cli.py
@@ -24,7 +24,7 @@ import socket
 from .constants import CONFIG_DIR as _CONFIG_DIR
 from .constants import STABLE_VERSION as _STABLE_VERSION
 from .constants import NIGHTLY_VERSION as _NIGHTLY_VERSION
-
+from .constants import DEFAULT_SETTINGS_FILE, DEFAULT_GDRIVE_FILE
 
 def version_info():
     if _NIGHTLY_VERSION[1].startswith('$Format'):
@@ -51,8 +51,15 @@ parser.add_argument('-d', action='store_true', help='Dry run of updater to check
 parser.add_argument('-r', action='store_true', help='Enable public database reconnect route under /reconnect')
 args = parser.parse_args()
 
-settingspath = args.p or os.path.join(_CONFIG_DIR, "app.db")
-gdpath       = args.g or os.path.join(_CONFIG_DIR, "gdrive.db")
+settings_path = args.p or os.path.join(_CONFIG_DIR, DEFAULT_SETTINGS_FILE)
+gd_path = args.g or os.path.join(_CONFIG_DIR, DEFAULT_GDRIVE_FILE)
+
+if os.path.isdir(settings_path):
+    settings_path = os.path.join(settings_path, DEFAULT_SETTINGS_FILE)
+
+if os.path.isdir(gd_path):
+    gd_path = os.path.join(gd_path, DEFAULT_GDRIVE_FILE)
+
 
 # handle and check parameter for ssl encryption
 certfilepath = None
diff --git a/cps/constants.py b/cps/constants.py
index 7c1fc661..c0a75037 100644
--- a/cps/constants.py
+++ b/cps/constants.py
@@ -50,6 +50,8 @@ if HOME_CONFIG:
 else:
     CONFIG_DIR = os.environ.get('CALIBRE_DBPATH', BASE_DIR)
 
+DEFAULT_SETTINGS_FILE = "app.db"
+DEFAULT_GDRIVE_FILE = "gdrive.db"
 
 ROLE_USER               = 0 << 0
 ROLE_ADMIN              = 1 << 0
diff --git a/cps/editbooks.py b/cps/editbooks.py
index e2e4a534..79255178 100755
--- a/cps/editbooks.py
+++ b/cps/editbooks.py
@@ -811,7 +811,7 @@ def edit_book(book_id):
             if to_save["cover_url"].endswith('/static/generic_cover.jpg'):
                 book.has_cover = 0
             else:
-                result, error = helper.save_cover_from_url(to_save["cover_url"], book.path)
+                result, error = helper.save_cover_from_url(to_save["cover_url"].strip(), book.path)
                 if result is True:
                     book.has_cover = 1
                     modify_date = True
diff --git a/cps/gdriveutils.py b/cps/gdriveutils.py
index 6073777e..ee8ee953 100644
--- a/cps/gdriveutils.py
+++ b/cps/gdriveutils.py
@@ -35,10 +35,6 @@ except ImportError:
 from sqlalchemy.exc import OperationalError, InvalidRequestError, IntegrityError
 from sqlalchemy.sql.expression import text
 
-#try:
-#    from six import __version__ as six_version
-#except ImportError:
-#    six_version = "not installed"
 try:
     from httplib2 import __version__ as httplib2_version
 except ImportError:
@@ -141,11 +137,12 @@ class Gdrive:
     def __init__(self):
         self.drive = getDrive(gauth=Gauth.Instance().auth)
 
+
 def is_gdrive_ready():
     return os.path.exists(SETTINGS_YAML) and os.path.exists(CREDENTIALS)
 
 
-engine = create_engine('sqlite:///{0}'.format(cli.gdpath), echo=False)
+engine = create_engine('sqlite:///{0}'.format(cli.gd_path), echo=False)
 Base = declarative_base()
 
 # Open session for database connection
@@ -193,11 +190,11 @@ def migrate():
                 session.execute('ALTER TABLE gdrive_ids2 RENAME to gdrive_ids')
             break
 
-if not os.path.exists(cli.gdpath):
+if not os.path.exists(cli.gd_path):
     try:
         Base.metadata.create_all(engine)
     except Exception as ex:
-        log.error("Error connect to database: {} - {}".format(cli.gdpath, ex))
+        log.error("Error connect to database: {} - {}".format(cli.gd_path, ex))
         raise
 migrate()
 
diff --git a/cps/helper.py b/cps/helper.py
index b6b95a15..9d8a1d3b 100644
--- a/cps/helper.py
+++ b/cps/helper.py
@@ -819,6 +819,9 @@ def save_cover_from_url(url, book_path):
             log.error("python modul advocate is not installed but is needed")
             return False, _("Python modul 'advocate' is not installed but is needed for cover downloads")
         img.raise_for_status()
+        #            # cover_processing()
+            # move_coverfile(meta, db_book)
+
         return save_cover(img, book_path)
     except (socket.gaierror,
             requests.exceptions.HTTPError,
@@ -868,24 +871,23 @@ def save_cover(img, book_path):
     content_type = img.headers.get('content-type')
 
     if use_IM:
-        if content_type not in ('image/jpeg', 'image/png', 'image/webp', 'image/bmp'):
+        if content_type not in ('image/jpeg', 'image/jpg', 'image/png', 'image/webp', 'image/bmp'):
             log.error("Only jpg/jpeg/png/webp/bmp files are supported as coverfile")
             return False, _("Only jpg/jpeg/png/webp/bmp files are supported as coverfile")
         # convert to jpg because calibre only supports jpg
-        if content_type != 'image/jpg':
-            try:
-                if hasattr(img, 'stream'):
-                    imgc = Image(blob=img.stream)
-                else:
-                    imgc = Image(blob=io.BytesIO(img.content))
-                imgc.format = 'jpeg'
-                imgc.transform_colorspace("rgb")
-                img = imgc
-            except (BlobError, MissingDelegateError):
-                log.error("Invalid cover file content")
-                return False, _("Invalid cover file content")
+        try:
+            if hasattr(img, 'stream'):
+                imgc = Image(blob=img.stream)
+            else:
+                imgc = Image(blob=io.BytesIO(img.content))
+            imgc.format = 'jpeg'
+            imgc.transform_colorspace("rgb")
+            img = imgc
+        except (BlobError, MissingDelegateError):
+            log.error("Invalid cover file content")
+            return False, _("Invalid cover file content")
     else:
-        if content_type not in 'image/jpeg':
+        if content_type not in ['image/jpeg', 'image/jpg']:
             log.error("Only jpg/jpeg files are supported as coverfile")
             return False, _("Only jpg/jpeg files are supported as coverfile")
 
diff --git a/cps/metadata_provider/lubimyczytac.py b/cps/metadata_provider/lubimyczytac.py
index 90a6b2d8..4a77f4ea 100644
--- a/cps/metadata_provider/lubimyczytac.py
+++ b/cps/metadata_provider/lubimyczytac.py
@@ -125,6 +125,7 @@ class LubimyCzytac(Metadata):
                         )
                     return final_matches
                 return matches
+            return []
 
     def _prepare_query(self, title: str) -> str:
         query = ""
diff --git a/cps/static/js/main.js b/cps/static/js/main.js
index b18cf229..91084f06 100755
--- a/cps/static/js/main.js
+++ b/cps/static/js/main.js
@@ -381,8 +381,8 @@ $(function() {
             //extraScrollPx: 300
         });
         $loadMore.on( "append.infiniteScroll", function( event, response, path, data ) {
+            $(".pagination").addClass("hidden").html(() => $(response).find(".pagination").html());
             if ($("body").hasClass("blur")) {
-                $(".pagination").addClass("hidden").html(() => $(response).find(".pagination").html());
                 $(" a:not(.dropdown-toggle) ")
                   .removeAttr("data-toggle");
             }
diff --git a/cps/uploader.py b/cps/uploader.py
index 992d188c..6aa811be 100644
--- a/cps/uploader.py
+++ b/cps/uploader.py
@@ -231,7 +231,7 @@ def pdf_meta(tmp_file_path, original_file_name, original_file_extension):
         if title == '':
             title = doc_info.title if doc_info.title else original_file_name
         if subject == '':
-            subject = doc_info.subject
+            subject = doc_info.subject or ""
         if tags == '' and '/Keywords' in doc_info:
             if isinstance(doc_info['/Keywords'], bytes):
                 tags = doc_info['/Keywords'].decode('utf-8')
diff --git a/optional-requirements.txt b/optional-requirements.txt
index 208d889d..fea410e5 100644
--- a/optional-requirements.txt
+++ b/optional-requirements.txt
@@ -1,5 +1,5 @@
 # GDrive Integration
-google-api-python-client>=1.7.11,<2.43.0
+google-api-python-client>=1.7.11,<2.44.0
 gevent>20.6.0,<22.0.0
 greenlet>=0.4.17,<1.2.0
 httplib2>=0.9.2,<0.21.0
@@ -13,7 +13,7 @@ rsa>=3.4.2,<4.9.0
 
 # Gmail
 google-auth-oauthlib>=0.4.3,<0.6.0
-google-api-python-client>=1.7.11,<2.43.0
+google-api-python-client>=1.7.11,<2.44.0
 
 # goodreads
 goodreads>=0.3.2,<0.4.0
diff --git a/setup.cfg b/setup.cfg
index de7dde1f..fc23e529 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -62,7 +62,7 @@ install_requires =
 
 [options.extras_require]
 gdrive = 
-	google-api-python-client>=1.7.11,<2.43.0
+	google-api-python-client>=1.7.11,<2.44.0
 	gevent>20.6.0,<22.0.0
 	greenlet>=0.4.17,<1.2.0
 	httplib2>=0.9.2,<0.21.0
@@ -75,7 +75,7 @@ gdrive =
 	rsa>=3.4.2,<4.9.0
 gmail = 
 	google-auth-oauthlib>=0.4.3,<0.6.0
-	google-api-python-client>=1.7.11,<2.43.0
+	google-api-python-client>=1.7.11,<2.44.0
 goodreads = 
 	goodreads>=0.3.2,<0.4.0
 	python-Levenshtein>=0.12.0,<0.13.0