diff --git a/api/controllers/console/app/workflow_app_log.py b/api/controllers/console/app/workflow_app_log.py
index 54640b1a19..d863747995 100644
--- a/api/controllers/console/app/workflow_app_log.py
+++ b/api/controllers/console/app/workflow_app_log.py
@@ -1,5 +1,4 @@
-from datetime import datetime
-
+from dateutil.parser import isoparse
 from flask_restful import Resource, marshal_with, reqparse  # type: ignore
 from flask_restful.inputs import int_range  # type: ignore
 from sqlalchemy.orm import Session
@@ -41,10 +40,10 @@ class WorkflowAppLogApi(Resource):
 
         args.status = WorkflowRunStatus(args.status) if args.status else None
         if args.created_at__before:
-            args.created_at__before = datetime.fromisoformat(args.created_at__before.replace("Z", "+00:00"))
+            args.created_at__before = isoparse(args.created_at__before)
 
         if args.created_at__after:
-            args.created_at__after = datetime.fromisoformat(args.created_at__after.replace("Z", "+00:00"))
+            args.created_at__after = isoparse(args.created_at__after)
 
         # get paginate workflow app logs
         workflow_app_service = WorkflowAppService()
diff --git a/api/controllers/service_api/app/workflow.py b/api/controllers/service_api/app/workflow.py
index 2854a43505..8b10a028f3 100644
--- a/api/controllers/service_api/app/workflow.py
+++ b/api/controllers/service_api/app/workflow.py
@@ -1,6 +1,6 @@
 import logging
-from datetime import datetime
 
+from dateutil.parser import isoparse
 from flask_restful import Resource, fields, marshal_with, reqparse  # type: ignore
 from flask_restful.inputs import int_range  # type: ignore
 from sqlalchemy.orm import Session
@@ -140,10 +140,10 @@ class WorkflowAppLogApi(Resource):
 
         args.status = WorkflowRunStatus(args.status) if args.status else None
         if args.created_at__before:
-            args.created_at__before = datetime.fromisoformat(args.created_at__before.replace("Z", "+00:00"))
+            args.created_at__before = isoparse(args.created_at__before)
 
         if args.created_at__after:
-            args.created_at__after = datetime.fromisoformat(args.created_at__after.replace("Z", "+00:00"))
+            args.created_at__after = isoparse(args.created_at__after)
 
         # get paginate workflow app logs
         workflow_app_service = WorkflowAppService()