diff --git a/public/react/src/modules/tpm/challengesnew/TPMMDEditor.js b/public/react/src/modules/tpm/challengesnew/TPMMDEditor.js
index 2e6184428..11b88a037 100644
--- a/public/react/src/modules/tpm/challengesnew/TPMMDEditor.js
+++ b/public/react/src/modules/tpm/challengesnew/TPMMDEditor.js
@@ -132,6 +132,7 @@ function create_editorMD(id, width, high, placeholder, imageUrl, callback, initV
             // Or return editormd.toolbarModes[name]; // full, simple, mini
             // Using "||" set icons align right.
             const icons = ["bold", "italic", "|", "list-ul", "list-ol", "|", "code", "code-block", "link", "|", "testIcon", "testIcon1", '|', "image", "table", '|', "watch", "clear"];
+            // 试卷处用到的填空题新增按钮
             if (__that.props.showNullButton) {
                 icons.push('nullBtton')
             }
@@ -228,12 +229,14 @@ export default class TPMMDEditor extends Component {
         const imageUrl = `/api/attachments.json`;
         // 创建editorMd
         let react_id = `react_${_id}`;
+        // 将实例存到了window
         window[react_id] = this
         const answers_editormd = create_editorMD(_id, '100%', this.props.height, _placeholder, imageUrl, (_editorName) => {
             const __editorName = _editorName;
             react_id = `react_${__editorName.id}`;
             const that = window[react_id]
-
+            
+            // 一个延迟的recreate或resize，不加这段代码，md初始化可能会出现样式问题
             setTimeout(() => {
                 if (that.props.needRecreate == true) {
                     __editorName.recreate() // 注意 必须在setValue之前触发，不然会清空
@@ -268,6 +271,7 @@ export default class TPMMDEditor extends Component {
                 that.props.onCMBeforeChange(cm,change)
             })
             that.answers_editormd = __editorName;
+            // 这里应该可以去掉了，方便调试加的
             window[__editorName.id+'_'] = __editorName;
         }, initValue, this.onEditorChange,this.props.watch, {
             noStorage: this.props.noStorage,
@@ -276,6 +280,7 @@ export default class TPMMDEditor extends Component {
         }, this);
         
     }
+    // 用在form里时，validate失败时出现一个红色边框
     showError = () => {
         this.setState({showError: true})
     }