diff --git a/debian/changelog b/debian/changelog
index 2c68297..b46e997 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+photo-importer (1.2.4) stable; urgency=medium
+
+  * Add time_shift options
+  * Lower case file ext during renaming 
+
+ -- Alexander Bushnev <Alexander@Bushnev.pro>  Wed, 22 May 2024 23:12:07 +0200
+
 photo-importer (1.2.3) stable; urgency=medium
 
   * Update ci workflows
diff --git a/debian/control b/debian/control
index 69ccc59..c8a2ef7 100644
--- a/debian/control
+++ b/debian/control
@@ -2,7 +2,7 @@ Source: photo-importer
 Section: utils
 Priority: optional
 Maintainer: Alexander Bushnev, <Alexander@Bushnev.pro> 
-Build-Depends: debhelper (>= 7), python3-all, dh-python, python3-setuptools, dh-systemd, cdbs
+Build-Depends: debhelper (>= 7), python3-all, dh-python, python3-setuptools, cdbs
 Standards-Version: 3.9.2
 XS-Python3-Version: >= 3.2
 
diff --git a/photo-importer.cfg b/photo-importer.cfg
index 24f69aa..1107912 100644
--- a/photo-importer.cfg
+++ b/photo-importer.cfg
@@ -45,7 +45,11 @@ use_shutil = 0
 # Add original filename, if it does not contain a timestamp (bool, 0/1)
 # (Useful if filename contains some notable information)
 add_orig_name = 0
-            
+
+# This time shift (in seconds) will be added to the original timestamp during renaming
+# (useful if original file have a wrong timestamp, timestamp will no affected)
+time_shift = 0
+
 [server]            
 # Server port
 port = 8080
diff --git a/photo_importer/config.py b/photo_importer/config.py
index 0510fe6..52f0c3e 100755
--- a/photo_importer/config.py
+++ b/photo_importer/config.py
@@ -32,6 +32,7 @@ class Config(object):
             'use_jpegtran': 0,
             'use_shutil': 0,
             'add_orig_name': 0,
+            'time_shift': 0,
         },
         'server': {
             'port': 8080,
diff --git a/photo_importer/fileprop.py b/photo_importer/fileprop.py
index 685fa5c..7fb3352 100755
--- a/photo_importer/fileprop.py
+++ b/photo_importer/fileprop.py
@@ -90,7 +90,7 @@ def __prepare_ext_to_type(self):
 
     def __type_by_ext(self, ext):
         try:
-            return self.EXT_TO_TYPE[ext.lower()]
+            return self.EXT_TO_TYPE[ext]
         except KeyError:
             logging.warning('Unknown ext: ' + ext)
             return IGNORE
@@ -182,10 +182,14 @@ def _out_name_full(self, path, out_name, ext):
     def get(self, fullname):
         path, fname_ext = os.path.split(fullname)
         fname, ext = os.path.splitext(fname_ext)
+        ext = ext.lower()
 
         tp = self.__type_by_ext(ext)
 
         ftime = self.__time(fullname, fname, tp)
+        time_shift = self.__config['main']['time_shift']
+        if ftime and time_shift:
+            ftime += datetime.timedelta(seconds=int(time_shift))
 
         if ftime:
             out_name = ftime.strftime(
diff --git a/setup.py b/setup.py
index 18f9806..a7ebe5f 100644
--- a/setup.py
+++ b/setup.py
@@ -4,9 +4,7 @@
 
 def get_long_description():
     this_directory = os.path.abspath(os.path.dirname(__file__))
-    with open(
-        os.path.join(this_directory, 'README.md'), encoding='utf-8'
-    ) as f:
+    with open(os.path.join(this_directory, 'README.md'), encoding='utf-8') as f:
         long_description = f.read()
 
     return long_description
@@ -14,7 +12,7 @@ def get_long_description():
 
 setup(
     name='photo-importer',
-    version='1.2.3',
+    version='1.2.4',
     description='Photo importer tool',
     author='Alexander Bushnev',
     author_email='Alexander@Bushnev.pro',