diff --git a/src/Services/Tg/Hook/Mod/Tk.php b/src/Services/Tg/Hook/Mod/Tk.php
index 5dace8051..752e0cb4a 100644
--- a/src/Services/Tg/Hook/Mod/Tk.php
+++ b/src/Services/Tg/Hook/Mod/Tk.php
@@ -116,7 +116,7 @@ final class Tk extends Base
             $sMessage = json_encode($tmp, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
         } else {
             $sMessage = "失败:\n";
-            $sMessage .= $this->toJson($rr);
+            $sMessage .= $rr;
         }
         
         return $sMessage;