diff --git a/platformapi/tao_vegetable/api_model.go b/platformapi/tao_vegetable/api_model.go
index e83ccfac..dc4ea0a5 100644
--- a/platformapi/tao_vegetable/api_model.go
+++ b/platformapi/tao_vegetable/api_model.go
@@ -57,7 +57,7 @@ func CallBackResultSign(err error) *CallBackResult {
 	}
 	return &CallBackResult{
 		Success: false,
-		ErrCode: "sign-check-failure",
+		ErrCode: "SUCCESS",
 		ErrMsg:  err.Error(),
 	}
 }