diff --git a/app/api/controller/TaskController.php b/app/api/controller/TaskController.php
index 485f8c862..6cebbe40d 100644
--- a/app/api/controller/TaskController.php
+++ b/app/api/controller/TaskController.php
@@ -722,7 +722,7 @@ class TaskController extends BaseApiController
             if (empty($task)) {
                 $this->fail('任务不存在');
             }
-            $extend = json_decode($task->extend, true);
+            $extend = $task['extend'];
             $extend['is_commit'] = 1;
             $extend['annex'] = $parmas['annex'];
             $extend['file_type'] = $parmas['file_type'];