#720 fix rocketmq console fail to update nameserver address (#721)

diff --git a/rocketmq-console/src/main/resources/static/src/ops.js b/rocketmq-console/src/main/resources/static/src/ops.js
index 312e41f..5760f46 100644
--- a/rocketmq-console/src/main/resources/static/src/ops.js
+++ b/rocketmq-console/src/main/resources/static/src/ops.js
@@ -16,14 +16,14 @@
  */
 
 app.controller('opsController', ['$scope','$location','$http','Notification','remoteApi','tools', function ($scope,$location,$http,Notification,remoteApi,tools) {
-    $scope.namesvrAddrList = [];
+    $scope.namesvrAddrList = "";
     $scope.useVIPChannel = true;
     $http({
         method: "GET",
         url: "ops/homePage.query"
     }).success(function (resp) {
         if (resp.status == 0) {
-            $scope.namesvrAddrList = resp.data.namesvrAddrList;
+            $scope.namesvrAddrList = resp.data.namesvrAddrList.join(";");
             $scope.useVIPChannel = resp.data.useVIPChannel
         }else{
             Notification.error({message: resp.errMsg, delay: 2000});
@@ -34,7 +34,7 @@
         $http({
             method: "POST",
             url: "ops/updateNameSvrAddr.do",
-            params:{nameSvrAddrList:$scope.namesvrAddrList.join(";")}
+            params:{nameSvrAddrList:$scope.namesvrAddrList}
         }).success(function (resp) {
             if (resp.status == 0) {
                 Notification.info({message: "SUCCESS", delay: 2000});
diff --git a/rocketmq-console/src/main/resources/static/view/pages/ops.html b/rocketmq-console/src/main/resources/static/view/pages/ops.html
index 4cdb2ad..ca2fb29 100644
--- a/rocketmq-console/src/main/resources/static/view/pages/ops.html
+++ b/rocketmq-console/src/main/resources/static/view/pages/ops.html
@@ -18,7 +18,7 @@
     <div class="page-content">
         <h2 class="md-title">NameServerAddressList</h2>
         <div class="pull-left">
-            <md-chips ng-model="namesvrAddrList"  readonly="ctrl.readonly" md-removable="ctrl.removable" md-enable-chip-edit="true"></md-chips>
+            <input type="text" class="form-control" ng-model="namesvrAddrList"  />
         </div>
         <div class="pull-left">
             <button class="btn btn-raised btn-sm btn-primary" type="button" ng-click="updateNameSvrAddr()">{{'UPDATE' | translate}}