Feat: debug sync data. (#11073)

### What problem does this PR solve?

#10953 

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

api/apps/connector_app.py

@@ -73,7 +73,8 @@ def get_connector(connector_id):
 @login_required
 def list_logs(connector_id):
     req = request.args.to_dict(flat=True)
-    return get_json_result(data=SyncLogsService.list_sync_tasks(connector_id, int(req.get("page", 1)), int(req.get("page_size", 15))))
+    arr, total = SyncLogsService.list_sync_tasks(connector_id, int(req.get("page", 1)), int(req.get("page_size", 15)))
+    return get_json_result(data={"total": total, "logs": arr})
 
 
 @manager.route("/<connector_id>/resume", methods=["PUT"])  # noqa: F821

api/apps/kb_app.py

@@ -122,10 +122,9 @@ def update():
         if not e:
             return get_data_error_result(
                 message="Database error (Knowledgebase rename)!")
-        if connectors:
-            errors = Connector2KbService.link_connectors(kb.id, [conn["id"] for conn in connectors], current_user.id)
-            if errors:
-                logging.error("Link KB errors: ", errors)
+        errors = Connector2KbService.link_connectors(kb.id, [conn["id"] for conn in connectors], current_user.id)
+        if errors:
+            logging.error("Link KB errors: ", errors)
         kb = kb.to_dict()
         kb.update(req)