this.isMDInited = true

public/react/src/modules/forums/MemoDetailMDEditor.js

@@ -37,13 +37,18 @@ class MemoDetailMDEditor extends Component {
 		const placeholder = '我要回复...'
 		// const imageUrl = `/upload_with_markdown?container_id=${this.props.memo.id}&container_type=Memo`;
 		const imageUrl = `/api/attachments.json`;
+		if (this.isMDInited) {
+			return;
+		}
+		this.isMDInited = true
 
 		// 执行太快了，样式不正常
 		window.__tt = 400;
 		setTimeout(() => {
+			console.log('create_editorMD_4comment')
 			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) => {
@@ -119,7 +124,7 @@ class MemoDetailMDEditor extends Component {
 			this.initMDEditor()
 		} else {
 			setTimeout(() => {
-				this.commentMDEditor.focus()
+				this.commentMDEditor && this.commentMDEditor.focus()
 			}, 10)
 		}
 	}