diff --git a/patch-tracking/patch_tracking/app.py b/patch-tracking/patch_tracking/app.py
index e39ba4cb2f15f4f35ef927a9e737be0a44ab865c..1d941f611ef30f07c4a5275b09fad3cc649268b8 100644
--- a/patch-tracking/patch_tracking/app.py
+++ b/patch-tracking/patch_tracking/app.py
@@ -22,8 +22,12 @@ def check_token():
     gitee_token = app.config['GITEE_ACCESS_TOKEN']
     github_token = app.config['GITHUB_ACCESS_TOKEN']
     token_error = False
-    github_ret = github_api.get_user_info(github_token)
-    if github_ret[0] != "success":
+    try:
+        github_ret = github_api.get_user_info(github_token)
+        if github_ret[0] != "success":
+            logger.error('github token is bad credentials.')
+            token_error = True
+    except UnicodeEncodeError:
         logger.error('github token is bad credentials.')
         token_error = True
 
@@ -33,7 +37,7 @@ def check_token():
         token_error = True
 
     if token_error:
-        sys.exit()
+        sys.exit(1)
 
 
 def check_listen(listen_param):
@@ -81,11 +85,21 @@ def check_settings_conf():
             logger.error('%s not configured in settings.conf.', setting)
             setting_error = True
     if setting_error:
-        sys.exit()
+        sys.exit(1)
 
 
 settings_file = os.path.join(os.path.abspath(os.curdir), "settings.conf")
-app.config.from_pyfile(settings_file)
+try:
+    app.config.from_pyfile(settings_file)
+    app.config["LISTEN"] = app.config["LISTEN"].strip()
+    app.config["GITHUB_ACCESS_TOKEN"] = app.config["GITHUB_ACCESS_TOKEN"].strip()
+    app.config["GITEE_ACCESS_TOKEN"] = app.config["GITEE_ACCESS_TOKEN"].strip()
+    app.config["USER"] = app.config["USER"].strip()
+    app.config["PASSWORD"] = app.config["PASSWORD"].strip()
+except (SyntaxError, NameError):
+    logger.error('settings.py content format error.')
+    sys.exit(1)
+
 check_settings_conf()
 check_token()
 
diff --git a/patch-tracking/patch_tracking/patch-tracking b/patch-tracking/patch_tracking/patch-tracking
index 9e43fa1e1254e8bada2e8a40868f285bf3ad729a..e70ea6751d4de7d77ad70c7dbecee5670f18a644 100755
--- a/patch-tracking/patch_tracking/patch-tracking
+++ b/patch-tracking/patch_tracking/patch-tracking
@@ -6,6 +6,5 @@ chdir_path=${app_file%/patch_tracking/app.py}
 
 settings_file='/etc/patch-tracking/settings.conf'
 
-server=`grep 'LISTEN' $settings_file | awk -F'=' '{print $2}' | sed -e 's/^[ ]"//g' | sed -e 's/"$//g'`
-
+server=`grep 'LISTEN' $settings_file | awk -F'=' '{print $2}' | sed -e 's/^[ ]"*//g' -e "s/^'*//g" | sed -e 's/"*$//g' -e "s/'*$//g" | sed -e 's/^[ \t]*//g' | sed -e 's/[ \t]*$//g'`
 uwsgi --master --https "${server},/etc/patch-tracking/self-signed.crt,/etc/patch-tracking/self-signed.key" --wsgi-file "${app_file}" --callable app --chdir "${chdir_path}" --threads 100 --lazy