diff --git a/application/admin/view/school/help/article/add.html b/application/admin/view/school/help/article/add.html
index a452e73..bf54661 100644
--- a/application/admin/view/school/help/article/add.html
+++ b/application/admin/view/school/help/article/add.html
@@ -3,7 +3,7 @@
     <div class="form-group">
         <label class="control-label col-xs-12 col-sm-2">{:__('Help_cate_ids')}:</label>
         <div class="col-xs-12 col-sm-8">
-            <input id="c-help_cate_ids" data-rule="required" data-source="school/help/cate/index"  data-max-select-limit="3" data-multiple="true"  data-params='{"custom[status]":"1","isTree":1}' class="form-control selectpage" name="row[help_cate_ids]" type="text" value="{$q_help_cate_ids}">
+            <input id="c-help_cate_ids" data-rule="required" data-source="school/help/cate/index"   data-params='{"custom[status]":"1","isTree":1}' class="form-control selectpage" name="row[help_cate_ids]" type="text" value="{$q_help_cate_ids}">
         </div>
     </div>
     <div class="form-group">
diff --git a/application/admin/view/school/help/article/edit.html b/application/admin/view/school/help/article/edit.html
index da01661..a58ceb6 100644
--- a/application/admin/view/school/help/article/edit.html
+++ b/application/admin/view/school/help/article/edit.html
@@ -3,7 +3,7 @@
     <div class="form-group">
         <label class="control-label col-xs-12 col-sm-2">{:__('Help_cate_ids')}:</label>
         <div class="col-xs-12 col-sm-8">
-            <input id="c-help_cate_ids" data-rule="required" data-source="school/help/cate/index" data-max-select-limit="3" data-multiple="true"  data-params='{"custom[status]":"1","isTree":1}'  class="form-control selectpage" name="row[help_cate_ids]" type="text" value="{$row.help_cate_ids|htmlentities}">
+            <input id="c-help_cate_ids" data-rule="required" data-source="school/help/cate/index"  data-params='{"custom[status]":"1","isTree":1}'  class="form-control selectpage" name="row[help_cate_ids]" type="text" value="{$row.help_cate_ids|htmlentities}">
         </div>
     </div>
     <div class="form-group">
diff --git a/application/config.php b/application/config.php
index 42e1f16..d1aa580 100644
--- a/application/config.php
+++ b/application/config.php
@@ -18,7 +18,7 @@ return [
     // 应用命名空间
     'app_namespace'          => 'app',
     // 应用调试模式
-    'app_debug'              => Env::get('app.debug', true),
+    'app_debug'              => Env::get('app.debug', false),
     // 应用Trace
     'app_trace'              => Env::get('app.trace', false),
     // 应用模式状态
@@ -159,7 +159,7 @@ return [
     // 错误显示信息,非调试模式有效
     'error_message'          => '你所浏览的页面暂时无法访问',
     // 显示错误信息
-    'show_error_msg'         => true,
+    'show_error_msg'         => false,
     // 异常处理handle类 留空使用 \think\exception\Handle
     'exception_handle'       => '',
     // +----------------------------------------------------------------------
diff --git a/public/assets/js/fast.js b/public/assets/js/fast.js
index 6256f19..9c808a2 100644
--- a/public/assets/js/fast.js
+++ b/public/assets/js/fast.js
@@ -102,8 +102,12 @@ define(['jquery', 'bootstrap', 'toastr', 'layer', 'lang'], function ($, undefine
             },
             //获取修复后可访问的cdn链接
             cdnurl: function (url, domain) {
+                if (typeof url === 'undefined') {
+                    return url;
+                }
                 var rule = new RegExp("^((?:[a-z]+:)?\\/\\/|data:image\\/)", "i");
                 var cdnurl = Config.upload.cdnurl;
+                console.log(url,domain);
                 if (typeof domain === 'undefined' || domain === true || cdnurl.indexOf("/") === 0) {
                     url = rule.test(url) || (cdnurl && url.indexOf(cdnurl) === 0) ? url : cdnurl + url;
                 }