diff --git a/internal/logic/test503logic.go b/internal/logic/test503logic.go
index 1008f21..57af82c 100644
--- a/internal/logic/test503logic.go
+++ b/internal/logic/test503logic.go
@@ -34,5 +34,5 @@ func (l *Test503Logic) Test503() (resp *types.Response, err error) {
 		}, nil
 	}
 
-	return nil, httpresult.ErrorResultDefault("5031")
+	return nil, httpresult.ErrorResultDefault("503")
 }