diff --git a/mes_in_sct/app/action/CheckBomInfo.php b/mes_in_sct/app/action/CheckBomInfo.php
index c732203..d363b34 100644
--- a/mes_in_sct/app/action/CheckBomInfo.php
+++ b/mes_in_sct/app/action/CheckBomInfo.php
@@ -31,7 +31,7 @@ class CheckBomInfo
         }
 
         $sql = "SELECT id FROM hf_mes_device WHERE code='".$device_code."'";
-        $ret = Db::fetch($sql);
+        $ret = Db::fetch($sql2);
         if(empty($ret)){
             throw new Exception("设备编码[$device_code]不存在",4001);
         }