fix: keep title empty (#6505)

packages/service/core/dataset/apiDataset/custom/api.ts

@@ -188,7 +188,7 @@ export const useApiDatasetRequest = ({ apiServer }: { apiServer: APIFileServer }
       });
       });
 
 
       return {
       return {
-        title: sourceName,
+        title,
         rawText
         rawText
       };
       };
     }
     }