diff --git a/src/main/kotlin/com/supwisdom/dlpay/water/controller/api_controller.kt b/src/main/kotlin/com/supwisdom/dlpay/water/controller/api_controller.kt
index 00f598a..c78361b 100644
--- a/src/main/kotlin/com/supwisdom/dlpay/water/controller/api_controller.kt
+++ b/src/main/kotlin/com/supwisdom/dlpay/water/controller/api_controller.kt
@@ -276,7 +276,10 @@
                     @RequestParam("userid") userid: String?): ModelAndView {
         try {
             if (userid == null) {
-                return ModelAndView("error/500").addObject("errorMsg","用户id不能为空")
+                return ModelAndView("error/500")
+                        .addObject("cobillno",cobillno)
+                        .addObject("errorMsg","用户id不能为空")
+
             }
             val userInfo = userProxy.querybycardno(QueryUserParam().apply {
                 this.userid = userid
diff --git a/src/main/resources/templates/error/500.html b/src/main/resources/templates/error/500.html
index 1b15fd3..3467419 100755
--- a/src/main/resources/templates/error/500.html
+++ b/src/main/resources/templates/error/500.html
@@ -9,6 +9,10 @@
   <link rel="stylesheet" th:href="@{/static/libs/layui/css/layui.css}" media="all"/>
   <link rel="stylesheet" th:href="@{/static/custom/css/admin.css}" media="all"/>
 </head>
+<script>
+  var retcobillno=[[${cobillno}]];
+
+</script>
 <body>
 
 <div class="layui-fluid">