diff --git a/config/env/torrents.js b/config/env/torrents.js
index 0371efde..6a64960e 100644
--- a/config/env/torrents.js
+++ b/config/env/torrents.js
@@ -77,7 +77,9 @@ module.exports = {
         userInvitationExchange: {name: 'userInvitationExchange', enable: true},
 
         userAnnounceData: {name: 'userAnnounceData', enable: true},
-        userScoreChange: {name: 'userScoreChange', enable: true}
+        userScoreChange: {name: 'userScoreChange', enable: true},
+
+        forumDeleteTopic: {name: 'forumDeleteTopic', enable: true}
       }
     },
     torrentType: {
diff --git a/modules/core/client/app/trans-string-en.js b/modules/core/client/app/trans-string-en.js
index 1c7fd9b8..bbfc2f8b 100644
--- a/modules/core/client/app/trans-string-en.js
+++ b/modules/core/client/app/trans-string-en.js
@@ -655,6 +655,12 @@
       POST_SEND_FAILED: 'Post new topic failed',
       REPLY_EDIT_SUCCESSFULLY: 'Reply content modify successfully',
       REPLY_EDIT_FAILED: 'Reply content modify failed',
+      DELETE_TOPIC_SUCCESSFULLY: 'Topic deleted successfully',
+      DELETE_TOPIC_FAILED: 'Topic deleted failed',
+      DELETE_TOPIC_CONFIRM_OK: 'Delete',
+      DELETE_TOPIC_CONFIRM_CANCEL: 'Cancel',
+      DELETE_TOPIC_CONFIRM_HEADER_TEXT: 'Delete Topic',
+      DELETE_TOPIC_CONFIRM_BODY_TEXT: 'Are you sure want to delete this topic?',
 
       CATEGORY: {
         AFFAIRS: 'Affairs',
@@ -682,9 +688,11 @@
         REPLY_BY_3: 'post at {{createdAt}}'
       },
       TITLES: {
-        QUOTE: 'quote and reply',
-        EDIT: 'edit reply',
-        DELETE: 'delete reply'
+        REPLY_QUOTE: 'quote and reply',
+        REPLY_EDIT: 'edit reply',
+        REPLY_DELETE: 'delete reply',
+        TOPIC_EDIT: 'edit topic',
+        TOPIC_DELETE: 'delete topic'
       }
     },
 
diff --git a/modules/core/client/app/trans-string-zh.js b/modules/core/client/app/trans-string-zh.js
index 4d5bb966..79b15d71 100644
--- a/modules/core/client/app/trans-string-zh.js
+++ b/modules/core/client/app/trans-string-zh.js
@@ -655,6 +655,12 @@
       POST_SEND_FAILED: '新话题发布失败',
       REPLY_EDIT_SUCCESSFULLY: '回复内容修改成功',
       REPLY_EDIT_FAILED: '回复内容修改失败',
+      DELETE_TOPIC_SUCCESSFULLY: '话题删除成功',
+      DELETE_TOPIC_FAILED: '话题删除失败',
+      DELETE_TOPIC_CONFIRM_OK: '删除',
+      DELETE_TOPIC_CONFIRM_CANCEL: '取消',
+      DELETE_TOPIC_CONFIRM_HEADER_TEXT: '删除确认',
+      DELETE_TOPIC_CONFIRM_BODY_TEXT: '您确定要删除这个话题?',
 
       CATEGORY: {
         AFFAIRS: '站务区',
@@ -682,9 +688,11 @@
         REPLY_BY_3: '发表于 at {{createdAt}}'
       },
       TITLES: {
-        QUOTE: '引用并回复',
-        EDIT: '编辑回复',
-        DELETE: '删除回复'
+        REPLY_QUOTE: '引用并回复',
+        REPLY_EDIT: '编辑回复',
+        REPLY_DELETE: '删除回复',
+        TOPIC_EDIT: '编辑话题',
+        TOPIC_DELETE: '删除话题'
       }
     },
 
diff --git a/modules/forums/client/controllers/forums-post.client.controller.js b/modules/forums/client/controllers/forums-post.client.controller.js
index ebe0f13c..b3e692e0 100644
--- a/modules/forums/client/controllers/forums-post.client.controller.js
+++ b/modules/forums/client/controllers/forums-post.client.controller.js
@@ -50,7 +50,7 @@
       }
 
       var post = new TopicsService(vm.postFields);
-      post._forumId = vm.forum._id;
+      post.forum = vm.forum._id;
 
       post.$save(function (response) {
         successCallback(response);
diff --git a/modules/forums/client/controllers/forums-topic.client.controller.js b/modules/forums/client/controllers/forums-topic.client.controller.js
index 702b1d36..0332509f 100644
--- a/modules/forums/client/controllers/forums-topic.client.controller.js
+++ b/modules/forums/client/controllers/forums-topic.client.controller.js
@@ -96,10 +96,10 @@
     };
 
     /**
-     * beginEditReply
+     * beginEditTopic
      * @param t
      */
-    vm.beginEditReply = function (t) {
+    vm.beginEditTopic = function (t) {
       var el = $('#' + t._id);
 
       el.markdown({
@@ -147,5 +147,28 @@
         }
       });
     };
+
+    /**
+     * beginDeleteTopic
+     * @param t
+     */
+    vm.beginDeleteTopic = function (t) {
+      var modalOptions = {
+        closeButtonText: $translate.instant('FORUMS.DELETE_TOPIC_CONFIRM_CANCEL'),
+        actionButtonText: $translate.instant('FORUMS.DELETE_TOPIC_CONFIRM_OK'),
+        headerText: $translate.instant('FORUMS.DELETE_TOPIC_CONFIRM_HEADER_TEXT'),
+        bodyText: $translate.instant('FORUMS.DELETE_TOPIC_CONFIRM_BODY_TEXT')
+      };
+
+      ModalConfirmService.showModal({}, modalOptions)
+        .then(function (result) {
+          vm.topic.$remove(function (res) {
+            NotifycationService.showSuccessNotify('FORUMS.DELETE_TOPIC_SUCCESSFULLY');
+            $state.go('forums.view', {forumId: vm.forum._id});
+          }, function (res) {
+            NotifycationService.showErrorNotify(res.data.message, 'FORUMS.DELETE_TOPIC_FAILED');
+          });
+        });
+    };
   }
 }());
diff --git a/modules/forums/client/views/topic.client.view.html b/modules/forums/client/views/topic.client.view.html
index 9a881195..9eec746f 100644
--- a/modules/forums/client/views/topic.client.view.html
+++ b/modules/forums/client/views/topic.client.view.html
@@ -92,14 +92,15 @@
 
                                                 <div class="reply-comment-header-command pull-right">
                                                     <i class="fa fa-quote-left" aria-hidden="true"
-                                                       title="{{'FORUMS.TITLES.QUOTE' | translate}}"></i>
+                                                       title="{{'FORUMS.TITLES.REPLY_QUOTE' | translate}}"></i>
                                                     <i class="fa fa-pencil-square-o" aria-hidden="true"
-                                                       title="{{'FORUMS.TITLES.EDIT' | translate}}"
+                                                       title="{{'FORUMS.TITLES.TOPIC_EDIT' | translate}}"
                                                        ng-show="vm.canEditTopic(vm.topic);"
-                                                       ng-click="vm.beginEditReply(vm.topic)"></i>
+                                                       ng-click="vm.beginEditTopic(vm.topic)"></i>
                                                     <i class="fa fa-times" aria-hidden="true"
-                                                       title="{{'FORUMS.TITLES.DELETE' | translate}}"
-                                                       ng-show="vm.canEditTopic(vm.topic);"></i>
+                                                       title="{{'FORUMS.TITLES.TOPIC_DELETE' | translate}}"
+                                                       ng-show="vm.canEditTopic(vm.topic);"
+                                                            ng-click="vm.beginDeleteTopic(vm.topic);"></i>
                                                 </div>
                                             </div>
                                         </div>
diff --git a/modules/forums/server/controllers/forums.admin.server.controller.js b/modules/forums/server/controllers/forums.admin.server.controller.js
index d3205308..1885854d 100644
--- a/modules/forums/server/controllers/forums.admin.server.controller.js
+++ b/modules/forums/server/controllers/forums.admin.server.controller.js
@@ -106,6 +106,12 @@ exports.addModerator = function (req, res) {
   }
 };
 
+/**
+ * removeModerator
+ * @param req
+ * @param res
+ * @returns {*}
+ */
 exports.removeModerator = function (req, res) {
   var forum = req.forum;
   var mu = req.nameuser;
diff --git a/modules/forums/server/controllers/forums.server.controller.js b/modules/forums/server/controllers/forums.server.controller.js
index 6d6e700c..2c1d2f15 100644
--- a/modules/forums/server/controllers/forums.server.controller.js
+++ b/modules/forums/server/controllers/forums.server.controller.js
@@ -10,7 +10,10 @@ var path = require('path'),
   User = mongoose.model('User'),
   Forum = mongoose.model('Forum'),
   Topic = mongoose.model('Topic'),
-  async = require('async');
+  async = require('async'),
+  traceLogCreate = require(path.resolve('./config/lib/tracelog')).create;
+
+var traceConfig = config.meanTorrentConfig.trace;
 
 /**
  * list forums
@@ -57,7 +60,7 @@ exports.listTopics = function (req, res) {
   Topic.find({
     forum: req.params.forumId
   })
-    .sort('-isTop -createdAt')
+    .sort('-isTop -lastReplyAt -createdAt')
     .populate('user', 'username displayName profileImageURL uploaded downloaded')
     .populate('lastUser', 'username displayName profileImageURL uploaded downloaded')
     .exec(function (err, topics) {
@@ -130,6 +133,45 @@ exports.updateTopic = function (req, res) {
   });
 };
 
+/**
+ * deleteTopic
+ * @param req
+ * @param res
+ */
+exports.deleteTopic = function (req, res) {
+  var forum = req.forum;
+  var topic = req.topic;
+
+  topic.remove(function (err) {
+    if (err) {
+      return res.status(422).send({
+        message: errorHandler.getErrorMessage(err)
+      });
+    } else {
+      res.json(topic);
+    }
+  });
+
+  //create trace log
+  traceLogCreate(req, traceConfig.action.forumDeleteTopic, {
+    forum: forum._id,
+    topic: topic._id
+  });
+
+  Topic.findOne({
+    forum: forum._id
+  })
+    .sort('-lastReplyAt -createdAt')
+    .exec(function (err, topic) {
+      if (!err) {
+        forum.update({
+          $inc: {topicCount: -1},
+          lastTopic: topic
+        }).exec();
+      }
+    });
+};
+
 /**
  * Invitation middleware
  */
diff --git a/modules/forums/server/models/topic.server.model.js b/modules/forums/server/models/topic.server.model.js
index fef64019..dcb07c57 100644
--- a/modules/forums/server/models/topic.server.model.js
+++ b/modules/forums/server/models/topic.server.model.js
@@ -92,7 +92,8 @@ var TopicSchema = new Schema({
     ref: 'User'
   },
   lastReplyAt: {
-    type: Date
+    type: Date,
+    default: Date.now
   },
   updatedAt: {
     type: Date
diff --git a/modules/forums/server/routes/forums.server.routes.js b/modules/forums/server/routes/forums.server.routes.js
index 92ed3bdc..7dc28b81 100644
--- a/modules/forums/server/routes/forums.server.routes.js
+++ b/modules/forums/server/routes/forums.server.routes.js
@@ -19,7 +19,8 @@ module.exports = function (app) {
 
   app.route('/api/topics/:forumId/:topicId').all(forumsPolicy.isAllowed)
     .get(forums.readTopic)
-    .put(forums.updateTopic);
+    .put(forums.updateTopic)
+    .delete(forums.deleteTopic);
 
   app.param('topicId', forums.topicById);
 };
diff --git a/modules/traces/server/controllers/traces.server.controller.js b/modules/traces/server/controllers/traces.server.controller.js
index 9af0bda4..198f3996 100644
--- a/modules/traces/server/controllers/traces.server.controller.js
+++ b/modules/traces/server/controllers/traces.server.controller.js
@@ -25,6 +25,10 @@ exports.list = function (req, res) {
       select: 'username displayName',
       model: 'User'
     })
+    .populate({
+      path: 'content.forum',
+      model: 'Forum'
+    })
     .exec(function (err, traces) {
       if (err) {
         return res.status(422).send({