diff --git a/public/scripts/controllers/tags-controller.js b/public/scripts/controllers/tags-controller.js
index 8dd3a8b..5c487d5 100644
--- a/public/scripts/controllers/tags-controller.js
+++ b/public/scripts/controllers/tags-controller.js
@@ -326,6 +326,10 @@ app.controller('tagsCtr', ['$scope', '$filter', '$window', '$stateParams', '$tim
 
     $scope.addTag = function(tag) {
         console.log(tag);
+        if($scope.tags.length >= 30){
+            toastr.error('标签个数总数不能超过30个！不允许再添加新分类，如有需求，请联系管理员。', "提示");
+            return;
+        }
         tag = tag.replace(/(^\s*)|(\s*$)/g, '').replace(/\s+/g, ' '); // 去除前后空格，多个空格转为一个空格;
         if (tag) {
             ngDialog.close(dialog);