diff --git a/extend/Ca/Ca.php b/extend/Ca/Ca.php
index da8b244..a8b8fdf 100644
--- a/extend/Ca/Ca.php
+++ b/extend/Ca/Ca.php
@@ -152,7 +152,7 @@ abstract class Ca
                 throw new BusinessException(HttpEnumCode::getMessage(HttpEnumCode::SERVER_ERROR));
             }
 
-            if ($response['result_code'] == "1104"){
+            if ($body['result_code'] == "1104"){
                 // 用户标识已经存在，请检查!
                 return true;
             }