diff --git a/public/react/src/modules/courses/boards/BoardsNew.js b/public/react/src/modules/courses/boards/BoardsNew.js
index b3c267c94..d8acffc83 100644
--- a/public/react/src/modules/courses/boards/BoardsNew.js
+++ b/public/react/src/modules/courses/boards/BoardsNew.js
@@ -318,16 +318,20 @@ class BoardsNew extends Component{
                   label="标题"
                   className="topicTitle notRequired"
                 >
-                  {getFieldDecorator('sticky', {
-                    valuePropName: 'checked',
-                  })(
-                    <Checkbox style={{ right: '0px',
-                      top: '-50px',
-                      position: 'absolute'
-                    }}>置顶</Checkbox>
-                  )}
-                  {/* checkbox 有个边距样式 .ant-checkbox-wrapper + span, */}
-                  <span style={{ "padding-left": 0, "padding-right": 0 }}></span>
+                  {  isAdmin && 
+                    <React.Fragment>
+                      {getFieldDecorator('sticky', {
+                        valuePropName: 'checked',
+                      })(
+                        isAdmin && <Checkbox style={{ right: '0px',
+                          top: '-50px',
+                          position: 'absolute'
+                        }}>置顶</Checkbox>
+                      )}
+                      {/* checkbox 有个边距样式 .ant-checkbox-wrapper + span, */}
+                      <span style={{ "padding-left": 0, "padding-right": 0 }}></span>
+                    </React.Fragment>
+                  }
                   {getFieldDecorator('subject', {
                     rules: [{
                       required: true, message: '请输入标题',
diff --git a/public/react/src/modules/courses/boards/TopicDetail.js b/public/react/src/modules/courses/boards/TopicDetail.js
index 702928f80..6e645fc27 100644
--- a/public/react/src/modules/courses/boards/TopicDetail.js
+++ b/public/react/src/modules/courses/boards/TopicDetail.js
@@ -416,7 +416,7 @@ class TopicDetail extends Component {
           
           const user = this._getUser();
           this.setState({
-            comments: addNewComment(comments, _id, content, user, this)
+            comments: addNewComment(comments, _id, content, user, this.props.isSuperAdmin(), this)
           })
           const newMemo2 = Object.assign({}, this.state.memo);
           newMemo2.total_replies_count = newMemo2.total_replies_count + 1;
@@ -540,6 +540,10 @@ class TopicDetail extends Component {
               padding-bottom: 20px;
               margin-bottom: 0px !important;
             }
+
+            .course-message.topicDetail .panel-comment_item .comment_orig_content {
+                width: 1072px;
+            }
           `}</style>
           <CBreadcrumb className={'independent'} items={[
             { to: `/courses/${courseId}`, name: this.props.coursedata.name},
@@ -701,11 +705,13 @@ class TopicDetail extends Component {
                         </div>} */}
                     </div>
                     
-                    { total_count > REPLY_PAGE_COUNT && 
-                    <div className="memoMore">
-                      <Pagination showQuickJumper onChange={this.onPaginationChange} current={pageCount} total={total_count} pageSize={10}/>
+                    
+                    <div className="memoMore" style={{'margin-top': '20px'}}>
+                      { total_count > REPLY_PAGE_COUNT &&  
+                        <Pagination showQuickJumper onChange={this.onPaginationChange} current={pageCount} total={total_count} pageSize={10}/>
+                      }
                       <div className="writeCommentBtn" onClick={this.showCommentInput}>写评论</div>
-                    </div> }
+                    </div> 
                     
     	        </div>
             </div>
diff --git a/public/react/src/modules/forums/MemoDetailMDEditor.js b/public/react/src/modules/forums/MemoDetailMDEditor.js
index 68445b0d7..f15a19e20 100644
--- a/public/react/src/modules/forums/MemoDetailMDEditor.js
+++ b/public/react/src/modules/forums/MemoDetailMDEditor.js
@@ -32,6 +32,7 @@ class MemoDetailMDEditor extends Component {
 	}
 
 	initMDEditor = () => {
+
     // 因为props.memo不存在时，本组件不会被加载，这里直接在didMount里初始化即可
 		const placeholder = '我要回复...'
 		// const imageUrl = `/upload_with_markdown?container_id=${this.props.memo.id}&container_type=Memo`;
@@ -42,7 +43,7 @@ class MemoDetailMDEditor extends Component {
 		setTimeout(() => {
 			var commentMDEditor = window.create_editorMD_4comment("memo_comment_editorMd", '', this.props.height || 240, placeholder, imageUrl, () => {
 				commentMDEditor.focus()
-
+				this.isMDInited = true
 				this.initDrag()
 
 				commentMDEditor.cm.on("change", (_cm, changeObj) => {
@@ -114,7 +115,13 @@ class MemoDetailMDEditor extends Component {
 	}
 	onMockInputClick = () => {
 		this.setState({isInited: true})
-		this.initMDEditor()
+		if (!this.isMDInited) {
+			this.initMDEditor()
+		} else {
+			setTimeout(() => {
+				this.commentMDEditor.focus()
+			}, 10)
+		}
 	}
 	render() {
 		const { match, history, memo, placeholder, className } = this.props