diff --git a/src/Controllers/TomApi/Tg/HookController.php b/src/Controllers/TomApi/Tg/HookController.php
index a23d0518..39810acd 100755
--- a/src/Controllers/TomApi/Tg/HookController.php
+++ b/src/Controllers/TomApi/Tg/HookController.php
@@ -55,7 +55,7 @@ final class HookController
         $sText = $aUpdate["message"]["text"];
         
         // 先检查step
-        if (strpos($string, "/s ") === 0 && $oTgStep->fromIdHit($aData['fromId'])) {
+        if (strpos($sText, "/s ") === 0 && $oTgStep->fromIdHit($aData['fromId'])) {
             
             $sText = ltrim($sText, '/s');
             $sText = trim($sText);