diff --git a/app/portal/controller/SalesmangoodsController.php b/app/portal/controller/SalesmangoodsController.php
index 4acbf7f..50a922f 100644
--- a/app/portal/controller/SalesmangoodsController.php
+++ b/app/portal/controller/SalesmangoodsController.php
@@ -217,7 +217,7 @@ class SalesmangoodsController extends WeChatBaseController{
         $nonceStr = $this->createNoncestr();
         // 这里参数的顺序要按照 key 值 ASCII 码升序排序 j -> n -> t -> u
         $string = "jsapi_ticket=$ticket&noncestr=$nonceStr&timestamp=$timestamp&url=$url";
-        $signature = sha1($string);
+        $signature = $string;
         $signPackage = array (
             "appId" => "wxdf34ec2179e19b9a",
             "nonceStr" => $nonceStr,