diff --git a/modules/core/client/app/trans-string-zh.js b/modules/core/client/app/trans-string-zh.js
index 1764ff17..ce552796 100644
--- a/modules/core/client/app/trans-string-zh.js
+++ b/modules/core/client/app/trans-string-zh.js
@@ -630,8 +630,8 @@
       BTN_CANCEL: '取消',
       LINK_EDIT: '编辑',
       BTN_DELETE: '删除',
-      BTN_SUBMIT_TOPIC: '提交新话题',
-      BTN_SUBMIT_REPLY: '提交新回复',
+      BTN_SUBMIT_TOPIC: '提交话题',
+      BTN_SUBMIT_REPLY: '提交回复',
       BTN_POST_NEW_TOPIC: '发起新话题 ',
       BTN_POST_NEW_REPLY: '回复',
       ADD_SUCCESSFULLY: '版块添加成功',
diff --git a/modules/forums/client/less/forum.less b/modules/forums/client/less/forum.less
index e40e2391..3da9cee7 100644
--- a/modules/forums/client/less/forum.less
+++ b/modules/forums/client/less/forum.less
@@ -391,6 +391,7 @@
     }
     .md-preview {
         padding: 5px;
+        border-bottom: none;
     }
 }
 
diff --git a/modules/forums/client/views/post.client.view.html b/modules/forums/client/views/post.client.view.html
index fa2bbc11..0c6d5c1c 100644
--- a/modules/forums/client/views/post.client.view.html
+++ b/modules/forums/client/views/post.client.view.html
@@ -78,7 +78,7 @@
                                 {{ 'MARKDOWN_LINK' | translate }}
                             </a>
                         </div>
-                        <button type="submit" class="btn btn-success pull-right">{{'FORUMS.BTN_SUBMIT_TOPIC' | translate}}
+                        <button type="submit" class="btn btn-success btn-width-100 pull-right">{{'FORUMS.BTN_SUBMIT_TOPIC' | translate}}
                         </button>
                     </form>
                 </div>
diff --git a/modules/forums/client/views/topic.client.view.html b/modules/forums/client/views/topic.client.view.html
index 468806da..76e9d634 100644
--- a/modules/forums/client/views/topic.client.view.html
+++ b/modules/forums/client/views/topic.client.view.html
@@ -48,7 +48,7 @@
                     </ul>
                 </div>
                 <div class="col-sm-12 col-md-3">
-                    <a class="btn btn-success margin-top-10 margin-bottom-10 pull-right"
+                    <a class="btn btn-success margin-top-10 margin-bottom-10 btn-width-100 pull-right"
                        href="#" ng-click="vm.beginPostReply();">{{'FORUMS.BTN_POST_NEW_REPLY' | translate}}</a>
                 </div>
             </div>
@@ -204,7 +204,7 @@
                                 {{ 'MARKDOWN_LINK' | translate }}
                             </a>
                         </div>
-                        <button type="submit" class="btn btn-success pull-right">{{'FORUMS.BTN_SUBMIT_REPLY' | translate}}
+                        <button type="submit" class="btn btn-success btn-width-100 pull-right">{{'FORUMS.BTN_SUBMIT_REPLY' | translate}}
                         </button>
                     </form>
                 </div>