diff --git a/Server/src/main/webapp/view/device/mapping.htm b/Server/src/main/webapp/view/device/mapping.htm
index dfa53ba3..8943c100 100755
--- a/Server/src/main/webapp/view/device/mapping.htm
+++ b/Server/src/main/webapp/view/device/mapping.htm
@@ -93,7 +93,7 @@ <h4 class="modal-title">添加端口映射</h4>
                         </div>
                         <div class="col-sm-4"></div>
                     </div>
-                    <div class="form-group" ng-show="item.protocol == 1">
+                    <div class="form-group" >
                         <label for="b" class="col-sm-2 control-label" >子域名</label>
                         <div class="col-sm-6">
                             <div>