diff --git a/packageship/packageship/application/__init__.py b/packageship/packageship/application/__init__.py
index 810d6ce59ab6936a9c982d1fb8e8a3dcdfe778f4..0ca16e9d7e436693beb4fb48eed60e7289a7ce5c 100644
--- a/packageship/packageship/application/__init__.py
+++ b/packageship/packageship/application/__init__.py
@@ -47,11 +47,11 @@ def init_app(operation):
     app = Flask(__name__)
 
     # log configuration
-    setup_log(Config)
+    app.logger.addHandler(setup_log(Config))
 
     # Load configuration items
 
-    app.config.from_object(Config)
+    app.config.from_object(Config())
 
     # Register a scheduled task
     scheduler = APScheduler()
diff --git a/packageship/packageship/application/apps/lifecycle/view.py b/packageship/packageship/application/apps/lifecycle/view.py
index efce4bb4216ab1175af99eca635f89cc6f3ff02c..74f3ccf8e6436ecb15d7185e2fe1c0c10552e36f 100644
--- a/packageship/packageship/application/apps/lifecycle/view.py
+++ b/packageship/packageship/application/apps/lifecycle/view.py
@@ -304,7 +304,7 @@ class IssueView(Resource):
                 return issue_data
         except (SQLAlchemyError, DisconnectionError) as error:
             current_app.logger.error(error)
-            return []
+            return ResponseCode.response_json(ResponseCode.DATABASE_NOT_FOUND)
 
     def get(self):
         """
@@ -350,10 +350,12 @@ class IssueType(Resource):
             with DBHelper(db_name='lifecycle') as database:
                 issues_query = database.session.query(PackagesIssue.issue_type).group_by(
                     PackagesIssue.issue_type).all()
-                return [issue_query[0] for issue_query in issues_query]
+                return jsonify(ResponseCode.response_json(
+                    ResponseCode.SUCCESS, [issue_query[0] for issue_query in issues_query]))
         except (SQLAlchemyError, DisconnectionError) as error:
             current_app.logger.error(error)
-            return []
+            return jsonify(ResponseCode.response_json(
+                ResponseCode.PARAM_ERROR))
 
     def get(self):
         """
@@ -370,9 +372,7 @@ class IssueType(Resource):
             TypeError: Exception of type
             Error: Abnormal error
         """
-        issue_dict = self._get_issue_type()
-        return jsonify(ResponseCode.response_json(
-            ResponseCode.SUCCESS, issue_dict))
+        return self._get_issue_type()
 
 
 class IssueStatus(Resource):
@@ -389,10 +389,12 @@ class IssueStatus(Resource):
             with DBHelper(db_name='lifecycle') as database:
                 issues_query = database.session.query(PackagesIssue.issue_status).group_by(
                     PackagesIssue.issue_status).all()
-                return [issue_query[0] for issue_query in issues_query]
+                return jsonify(ResponseCode.response_json(
+                    ResponseCode.SUCCESS, [issue_query[0] for issue_query in issues_query]))
         except (SQLAlchemyError, DisconnectionError) as error:
             current_app.logger.error(error)
-            return []
+            return jsonify(ResponseCode.response_json(
+                ResponseCode.PARAM_ERROR))
 
     def get(self):
         """
@@ -409,9 +411,7 @@ class IssueStatus(Resource):
             TypeError: Exception of type
             Error: Abnormal error
         """
-        issue_dict = self._get_issue_status()
-        return jsonify(ResponseCode.response_json(
-            ResponseCode.SUCCESS, issue_dict))
+        return self._get_issue_status()
 
 
 class IssueCatch(Resource):
diff --git a/packageship/packageship/application/initsystem/data_import.py b/packageship/packageship/application/initsystem/data_import.py
index 1fda79f08fe0b0ba0395e2ceb93861de0c24e897..8ea467f569ee946b411ceeb02bcb82f92dbb65f0 100644
--- a/packageship/packageship/application/initsystem/data_import.py
+++ b/packageship/packageship/application/initsystem/data_import.py
@@ -287,7 +287,7 @@ class InitDataBase():
                     db_name, table_name, lifecycle_status_val)
                 self._save_src_requires(db_name)
 
-            with DBHelper(db_name=bin_db_file, db_type='sqlite:///', complete_route_db=True)\
+            with DBHelper(db_name=bin_db_file, db_type='sqlite:///', complete_route_db=True) \
                     as database:
                 self._database = database
                 # Save binary package related data
@@ -676,7 +676,7 @@ class SqliteDatabaseOperations():
         database_file_folder: Database folder path
     """
 
-    def __init__(self, db_name, tables=None, storage=False, ** kwargs):
+    def __init__(self, db_name, tables=None, storage=False, **kwargs):
         """
         Class instance initialization
 
diff --git a/packageship/packageship/libs/log/loghelper.py b/packageship/packageship/libs/log/loghelper.py
index fc53bb214b27863e8d015d29957b957cb33aa697..624227c6a3d6d552b0f116aef81f2727f1fbd9fd 100644
--- a/packageship/packageship/libs/log/loghelper.py
+++ b/packageship/packageship/libs/log/loghelper.py
@@ -52,7 +52,7 @@ def setup_log(config=None):
 
     file_log_handler.setFormatter(formatter)
 
-    logging.getLogger().addHandler(file_log_handler)
+    return file_log_handler
 
 
 class Log():