diff --git a/SuperScriptViewer/CustomConfig.py b/SuperScriptViewer/CustomConfig.py
index df0e4c4..4201536 100644
--- a/SuperScriptViewer/CustomConfig.py
+++ b/SuperScriptViewer/CustomConfig.py
@@ -7,4 +7,4 @@ export_db = "export.db"
 decorated_db = "decorate.db"
 env_db = "env.db"
 force_regenerate = False
-
+debug_mode = False
diff --git a/SuperScriptViewer/SuperScriptViewer.py b/SuperScriptViewer/SuperScriptViewer.py
index c56ec5d..96a30c1 100644
--- a/SuperScriptViewer/SuperScriptViewer.py
+++ b/SuperScriptViewer/SuperScriptViewer.py
@@ -4,16 +4,17 @@ import ServerCore
 import os
 import sys
 import getopt
+import logging
 
 try:
-    opts, args = getopt.getopt(sys.argv[1:], "hi:o:e:f")
+    opts, args = getopt.getopt(sys.argv[1:], "hi:o:e:c:fd")
 except getopt.GetoptError:
     print('Wrong arguments!')
-    print('python SuperScriptViewer.py -i <export.db> -o <decorated.db> -e <env.db> -c <codec_name> -f')
+    print('python SuperScriptViewer.py -i <export.db> -o <decorated.db> -e <env.db> -c <codec_name> -f -d')
     sys.exit(1)
 for opt, arg in opts:
     if opt == '-h':
-        print('python SuperScriptViewer.py -i <export.db> -o <decorated.db> -e <env.db> -c <codec_name> -f')
+        print('python SuperScriptViewer.py -i <export.db> -o <decorated.db> -e <env.db> -c <codec_name> -f -d')
         sys.exit(0)
     elif opt == '-i':
         CustomConfig.export_db = arg
@@ -25,13 +26,18 @@ for opt, arg in opts:
         CustomConfig.database_encoding = arg
     elif opt == '-f':
         CustomConfig.force_regenerate = True
+    elif opt == '-d':
+        CustomConfig.debug_mode = True
 
+print('Super Script View')
+print('Homepage: https://github.com/yyc12345/SuperScriptMaterializer')
+print('Report bug: https://github.com/yyc12345/SuperScriptMaterializer/issues')
+print('')
 # process -f
 if (CustomConfig.force_regenerate):
     if os.path.isfile(CustomConfig.decorated_db):
         os.remove(CustomConfig.decorated_db)
 
-print('Super Script View')
 if not os.path.isfile(CustomConfig.env_db):
     print('No environment database. Fail to generate. Exit app.')
     sys.exit(1)
@@ -43,7 +49,16 @@ if not os.path.isfile(CustomConfig.decorated_db):
         sys.exit(1)
 
     # generate db
-    DecoratorCore.run()
+    if CustomConfig.debug_mode:
+        DecoratorCore.run()
+    else:
+        try:
+            DecoratorCore.run()
+        except Exception as ex:
+            print("!!! An error occurs. Please report follwoing error output and reproduce file to developer. !!!")
+            logging.exception(ex)
+            sys.exit(1)
+
     print('Decorated database generating done.')
 
 # todo: start flask
diff --git a/SuperScriptViewer/SuperScriptViewer.pyproj b/SuperScriptViewer/SuperScriptViewer.pyproj
index 34cc9c7..3953a33 100644
--- a/SuperScriptViewer/SuperScriptViewer.pyproj
+++ b/SuperScriptViewer/SuperScriptViewer.pyproj
@@ -12,8 +12,7 @@
     <Name>SuperScriptViewer</Name>
     <RootNamespace>SuperScriptViewer</RootNamespace>
     <LaunchProvider>Standard Python launcher</LaunchProvider>
-    <CommandLineArguments>
-    </CommandLineArguments>
+    <CommandLineArguments>-f -d</CommandLineArguments>
     <EnableNativeCodeDebugging>False</EnableNativeCodeDebugging>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">