diff --git a/src/controller/api.js b/src/controller/api.js
index 7c5894f..381cc5c 100644
--- a/src/controller/api.js
+++ b/src/controller/api.js
@@ -225,6 +225,10 @@ module.exports = class extends Base {
         }
       }
       let data = await this.model("bookmarks").add(bookmark);
+      await this.model('tags').where({
+        userId: this.ctx.state.user.id,
+        id: bookmark.tagId
+      }).update({ lastUse: think.datetime(new Date()) });
       this.json({ code: 0, data, msg: `书签 ${bookmark.title} 添加成功` });
     } catch (error) {
       this.json({ code: 1, data: '', msg: error.toString() });
diff --git a/www/scripts/controllers/edit-controller.js b/www/scripts/controllers/edit-controller.js
index 9adddde..255c33e 100644
--- a/www/scripts/controllers/edit-controller.js
+++ b/www/scripts/controllers/edit-controller.js
@@ -105,7 +105,7 @@ app.controller('editCtr', ['$scope', '$state', '$timeout', '$document', 'ngDialo
   }
 
   $scope.showAddTag = function () {
-    if ($scope.tags.length < 30) {
+    if ($scope.tags.length < 50) {
       console.log('showAddTag..........')
       $scope.newTag = "";
       dialog = ngDialog.open({
@@ -114,14 +114,14 @@ app.controller('editCtr', ['$scope', '$state', '$timeout', '$document', 'ngDialo
         scope: $scope
       });
     } else {
-      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");
+      toastr.error('标签个数总数不能超过50个！不允许再添加新分类，如有需求，请联系管理员。', "提示");
     }
   }
 
   $scope.addTag = async function (tag) {
     console.log(tag);
-    if ($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");
+    if ($scope.tags.length >= 50) {
+      toastr.error('标签个数总数不能超过50个！不允许再添加新分类，如有需求，请联系管理员。', "提示");
       return;
     }
 
diff --git a/www/scripts/controllers/tags-controller.js b/www/scripts/controllers/tags-controller.js
index db88994..b5de8f0 100644
--- a/www/scripts/controllers/tags-controller.js
+++ b/www/scripts/controllers/tags-controller.js
@@ -273,7 +273,7 @@ app.controller('tagsCtr', ['$scope', '$filter', '$state', '$window', '$statePara
 
   $scope.addTag = async function (tag) {
     console.log(tag);
-    if ($scope.tags.length >= 30) {
+    if ($scope.tags.length >= 50) {
       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;
     }