no message

application/admin/view/user/agent/add.html

@@ -27,7 +27,7 @@
     <div class="form-group">
         <label class="control-label col-xs-12 col-sm-2">{:__('Parent_user_id')}:</label>
         <div class="col-xs-12 col-sm-8">
-            <input id="c-parent_user_id" data-rule="" data-multiple="true" data-source="user/user/index" data-search-field="id,nickname,mobile" data-primary-key="id" data-field="id" data-format-item="{id} - {nickname} - {mobile}" class="form-control selectpage" name="row[parent_user_id]" type="text" value="">
+            <input id="c-parent_user_id" data-rule="" data-source="user/user/index" data-search-field="id,nickname,mobile" data-primary-key="id" data-field="id" data-format-item="{id} - {nickname} - {mobile}" class="form-control selectpage" name="row[parent_user_id]" type="text" value="">
         </div>
     </div>
     <div class="form-group">

application/admin/view/user/agent/edit.html

@@ -27,7 +27,7 @@
     <div class="form-group">
         <label class="control-label col-xs-12 col-sm-2">{:__('Parent_user_id')}:</label>
         <div class="col-xs-12 col-sm-8">
-            <input id="c-parent_user_id" data-rule="" data-multiple="true" data-source="user/user/index" data-search-field="id,nickname,mobile" data-primary-key="id" data-field="id" data-format-item="{id} - {nickname} - {mobile}" class="form-control selectpage" name="row[parent_user_id]" type="text" value="{$row.parent_user_id|htmlentities}">
+            <input id="c-parent_user_id" data-rule="" data-source="user/user/index" data-search-field="id,nickname,mobile" data-primary-key="id" data-field="id" data-format-item="{id} - {nickname} - {mobile}" class="form-control selectpage" name="row[parent_user_id]" type="text" value="{$row.parent_user_id|htmlentities}">
         </div>
     </div>
     <div class="form-group">