diff --git a/platformapi/tao_vegetable/api_model.go b/platformapi/tao_vegetable/api_model.go
index 0426b2c6..55475e59 100644
--- a/platformapi/tao_vegetable/api_model.go
+++ b/platformapi/tao_vegetable/api_model.go
@@ -50,14 +50,15 @@ func CallBackResultInfo(err error) *CallBackResult {
 func CallBackResultSign(err error) *CallBackResult {
 	if err == nil {
 		return &CallBackResult{
-			Success: false,
-			ErrCode: "sign-check-failure",
-			ErrMsg:  "",
+			Success: true,
+			ErrCode: "SUCCESS",
+			ErrMsg:  err.Error(),
 		}
 	}
+
 	return &CallBackResult{
-		Success: true,
-		ErrCode: "SUCCESS",
-		ErrMsg:  err.Error(),
+		Success: false,
+		ErrCode: "sign-check-failure",
+		ErrMsg:  "",
 	}
 }