diff --git a/public/react/src/context/TPIContextProvider.js b/public/react/src/context/TPIContextProvider.js
index df738ef98..2d58140e6 100644
--- a/public/react/src/context/TPIContextProvider.js
+++ b/public/react/src/context/TPIContextProvider.js
@@ -268,12 +268,14 @@ pop_box_new(htmlvalue, 480, 182);
 		  	});
 	}
 
-	onPathChange(index) {
+	onPathChange(index, callback) {
 		let { challenge } = this.state;
 		// challenge = Object.assign({}, challenge)
 		// challenge.pathIndex = index;
 		this.setState({
 			challenge: update(challenge, {pathIndex: { $set: index }}),
+		}, () => {
+			callback && callback()
 		})
 		// TODO load new path content
 	}
diff --git a/public/react/src/modules/courses/Index.js b/public/react/src/modules/courses/Index.js
index a2f9a14e5..95927893d 100644
--- a/public/react/src/modules/courses/Index.js
+++ b/public/react/src/modules/courses/Index.js
@@ -305,7 +305,7 @@ class CoursesIndex extends Component{
 			//Do your stuff here
 		});
     }
-
+    //更新左边课堂导航
     updataleftNav=()=>{
         let query=this.props.location.pathname
         let {isaloadtype}=this.state;
diff --git a/public/react/src/modules/courses/elearning/Elearning.js b/public/react/src/modules/courses/elearning/Elearning.js
index 74fdfe201..2ed4bbaa8 100644
--- a/public/react/src/modules/courses/elearning/Elearning.js
+++ b/public/react/src/modules/courses/elearning/Elearning.js
@@ -29,12 +29,14 @@ class Elearning extends Component{
 			userlogin:"",
 			isRender:false,
 			subject_id:0,
+			myupdataleftNavs:this.myupdataleftNav
 		}
 	}
 
 	componentDidMount() {
 		// 记得删除退出课堂
-		// console.log("获取到数据");
+		// console.log("在线学习");
+	  // console.log("获取到数据");
 		// console.log(this.props);
 		this.getdata();
 	}
@@ -289,6 +291,9 @@ class Elearning extends Component{
 			})
 	};
 
+	myupdataleftNav=()=>{
+		this.props.updataleftNavfun();
+	}
 	render(){
 		console.log("Elearning++++++++");
 		// console.log(this.props.Chapterupdate);
@@ -397,7 +402,7 @@ class Elearning extends Component{
 
 									<div>
 										{/*开始学习*/}
-										<YslDetailCards {...this.state} {...this.props} Startlearningtwo={()=>this.Startlearningtwo()} Myreload={()=>this.Myreload()}  Tojoinclass={()=>this.Tojoinclass()} getPathCardsList={()=>this.getdata()}></YslDetailCards>
+										<YslDetailCards {...this.state} {...this.props} Startlearningtwo={()=>this.Startlearningtwo()} Myreload={()=>this.Myreload()}  Tojoinclass={()=>this.Tojoinclass()} getPathCardsList={()=>this.getdata()} ></YslDetailCards>
 									</div>
 
 
diff --git a/public/react/src/modules/courses/elearning/YslDetailCards.js b/public/react/src/modules/courses/elearning/YslDetailCards.js
index cb6f06fde..4b295f118 100644
--- a/public/react/src/modules/courses/elearning/YslDetailCards.js
+++ b/public/react/src/modules/courses/elearning/YslDetailCards.js
@@ -210,7 +210,7 @@ class YslDetailCards extends Component{
 
 
 
-	//取消的
+	//确认的
 	updatapathCardsedit=()=>{
 		this.setState({
 			idsum:undefined,
@@ -219,9 +219,10 @@ class YslDetailCards extends Component{
 			editbuttomtypeadd:false
 		})
 		this.props.getPathCardsList();
+		this.props.myupdataleftNavs();
 		// this.props.updatadetailInfoLists();
 	};
-	//确认的
+	//取消的
 	editeditbuttomtypecanle=()=>{
 		this.setState({
 			editbuttomtype:true,
@@ -300,6 +301,7 @@ class YslDetailCards extends Component{
 
 							this.updatapathCardsedit()
 							this.props.showNotification(`删除成功`);
+							this.props.myupdataleftNavs();
 						}else {
 							this.props.showNotification(`删除失败`);
 						}
diff --git a/public/react/src/modules/courses/shixunHomework/shixunHomework.js b/public/react/src/modules/courses/shixunHomework/shixunHomework.js
index c9653260a..a37fa32b1 100644
--- a/public/react/src/modules/courses/shixunHomework/shixunHomework.js
+++ b/public/react/src/modules/courses/shixunHomework/shixunHomework.js
@@ -1067,7 +1067,7 @@ class ShixunHomework extends Component{
             {/*<span className="font-18 fl color-dark-21">{datas&&datas.category_name===undefined||datas&&datas.category_name===null?datas&&datas.main_category_name:datas&&datas.category_name+" 作业列表"}</span>*/}
               <span className="font-18 fl color-dark-21">实训作业</span>
               <li className="fr">
-								{datas===undefined?"":datas.homeworks && datas.homeworks.length>1?this.props.isClassManagement()===true?datas&&datas.category_name===undefined||datas&&datas.category_name===null?
+								{datas===undefined?"":datas.homeworks && datas.homeworks.length>1?this.props.isAdminOrCreator()===true?datas&&datas.category_name===undefined||datas&&datas.category_name===null?
 									<span>
                     <WordsBtn style="blue" className={"mr30 font-16"}>
 											<Link className="color4CACFF" to={`/courses/${this.props.match.params.coursesId}/ordering/shixun_homework/${main_id&&main_id}`}>调整排序</Link>
diff --git a/public/react/src/modules/page/MainContentContainer.js b/public/react/src/modules/page/MainContentContainer.js
index 3a9643f8d..8d6153186 100644
--- a/public/react/src/modules/page/MainContentContainer.js
+++ b/public/react/src/modules/page/MainContentContainer.js
@@ -208,11 +208,12 @@ class MainContentContainer extends Component {
         	if (!this.props ||  !this.props.game
         			|| ( newProps.game.identifier !== this.props.game.identifier ) ) {
               setTimeout(this.fetchRepositoryCode( newProps), 1500);
-	        } else if ( this.props.challenge.pathIndex != newProps.challenge.pathIndex
-	        		&& newProps.challenge.pathIndex !== -1) {	// 切换到只读文件
+	        } 
+			// else if ( this.props.challenge.pathIndex != newProps.challenge.pathIndex
+	        // 		&& newProps.challenge.pathIndex !== -1) {	// 切换到只读文件
 	        	// pathIndex切换
-              setTimeout(this.fetchRepositoryCode( newProps), 1500);
-	        }
+            //   setTimeout(this.fetchRepositoryCode( newProps), 1500);
+	        // }
 	    }
         if (newProps.myshixun) {
         	var stageId = newProps.match.params.stageId;
@@ -231,9 +232,13 @@ class MainContentContainer extends Component {
 			// 切换关卡时，停止轮训
 			this.oldGameIdentifier = prevProps.game.identifier;
 			this.doFileUpdateRequestOnCodeMirrorBlur(prevProps)
-		} else if (challenge && (challenge.pathIndex || prevProps.challenge.pathIndex) && challenge.pathIndex != prevProps.challenge.pathIndex) {
+		} 
+		// else if (this.props.shixun && this.props.shixun.code_edit_permission && this.state.currentPath != prevState.currentPath) {
+		// 	this.doFileUpdateRequestOnCodeMirrorBlur(prevProps)
+		// } 
+		else if (challenge && (challenge.pathIndex || prevProps.challenge.pathIndex) && challenge.pathIndex != prevProps.challenge.pathIndex) {
 			this.doFileUpdateRequestOnCodeMirrorBlur(prevProps)
-		}
+		} 
         
     }
 
@@ -253,6 +258,9 @@ class MainContentContainer extends Component {
 			this.setState({ codeLoading: false });
 			return;
 		}
+		if (type && arg_path) {
+			this.doFileUpdateRequestOnCodeMirrorBlur(this.props)
+		}
 		const stageId = game.identifier
 		let path;
 		let isEditablePath = false;
@@ -535,7 +543,9 @@ class MainContentContainer extends Component {
 		this.oldRepositoryCode = codeContent;
 
 		let argPath;
-		if (challenge.pathIndex === -1) {	// 当前是只读文件
+		if (this.props.shixun && this.props.shixun.code_edit_permission == true) {
+			argPath = this.state.currentPath
+		} else if (challenge.pathIndex === -1) {	// 当前是只读文件
 			argPath = challenge.multiPath === true ? challenge.path[0] : challenge.path
 		} else {
 			argPath = challenge.multiPath === true ? challenge.path[challenge.pathIndex] : challenge.path
@@ -624,6 +634,11 @@ class MainContentContainer extends Component {
     		gameBuilding: false
     	})
 	}
+	onPathChange = (index, isDropDown) => {
+		this.props.onPathChange(index, () => {
+			isDropDown && this.fetchRepositoryCode()
+		})
+	}
 	onRunCodeTest() {
 		// tipContent(0, 100, 30, 360, 1)
 		// return; // for test
@@ -634,7 +649,7 @@ class MainContentContainer extends Component {
 			showDialog({
 				contentText: '需要先切回可编辑的文件才可评测，确认要现在切换吗？',
 				callback: () => {
-					onPathChange(0)
+					this.onPathChange(0, true)
 					handleGdialogClose();
 				}
 			})
@@ -957,7 +972,9 @@ class MainContentContainer extends Component {
 	      			onRepositoryCodeUpdate={this.onRepositoryCodeUpdate} onRunCodeTest={this.onRunCodeTest}
 	      			codemirrorDidMount={this.codemirrorDidMount} fetchRepositoryCode={this.fetchRepositoryCode}
 	      			showResetCodeDialog={this.showResetCodeDialog} showResetPassedCodeDialog={this.showResetPassedCodeDialog}
-	      			doFileUpdateRequestOnCodeMirrorBlur={this.doFileUpdateRequestOnCodeMirrorBlur} ></MainContent>
+	      			doFileUpdateRequestOnCodeMirrorBlur={this.doFileUpdateRequestOnCodeMirrorBlur} 
+					onPathChange={this.onPathChange}
+					  ></MainContent>
 	    	</React.Fragment>
 
 	    );
diff --git a/public/react/src/modules/page/VNCContainer.js b/public/react/src/modules/page/VNCContainer.js
index ec8a31820..3a85976bb 100644
--- a/public/react/src/modules/page/VNCContainer.js
+++ b/public/react/src/modules/page/VNCContainer.js
@@ -1,6 +1,6 @@
 import React, { Component } from 'react';
 import axios from 'axios'
-import { Spin } from 'antd'
+import { Spin, Icon } from 'antd'
 import ClipboardJS from 'clipboard'
 
 import VNCDisplay from './VNCDisplay'
@@ -22,7 +22,9 @@ class VNCContainer extends Component {
 		this.state = {
 			fileTreeSelectedKeys: [],
 			repositoryCode: '',
-			displayKey: 1
+			displayKey: 1,
+			vnc_reseting: false,
+
 		}
 	}
 	componentDidMount() {
@@ -116,6 +118,7 @@ class VNCContainer extends Component {
 		this.setState({ bottomDrawer: true })
 	}
 	onResetVNC = () => {
+		if (this.state.vnc_reseting) return;
 		// 桌面系统将恢复到初始状态，您在系统中创建的数据可能会丢失
 		// 请确保您的数据已保存（如：版本库代码已推送到服务器）
 		// 是否确认重置？
@@ -127,13 +130,15 @@ class VNCContainer extends Component {
 			</div>,
 			onOk: () => {
 				const url = `/tasks/${this.props.game.identifier}/reset_vnc_link.json`
+				this.setState({ vnc_reseting: true })
 				axios.get(url, {
 				}).then((response) => {
 					if (response.data.data && response.data.data.vnc_url) {
 						// reset
 						this.setState({
 							displayKey: this.state.displayKey + 1,
-							vnc_url: response.data.data.vnc_url
+							vnc_url: response.data.data.vnc_url,
+							vnc_reseting: false
 						})
 					} else {
 					}
@@ -141,7 +146,7 @@ class VNCContainer extends Component {
 
 				}).catch(error =>{
 					console.log(error)
-					this.setState({ readingCodeLoading: false });
+					this.setState({ vnc_reseting: false });
 					this.props.showSnackbar(`服务端异常，请联系管理员！`);
 				})
 
@@ -270,15 +275,23 @@ class VNCContainer extends Component {
 					></RepoTree>
 				</SecondDrawer>
                 <FloatButton className="resetVNC" onClick={this.onResetVNC}>
-					<i className="iconfont icon-zhongzhi2 font-16 "></i>
+					{/* <i className="iconfont icon-zhongzhi2 font-16 "></i> */}
+					{this.state.vnc_reseting ? <Icon type="loading" style={{verticalAlign: 'sub'}} />
+							: <i className="iconfont icon-zhongzhi2 font-16 "></i>}
 					<span>重置桌面系统</span>
 				</FloatButton>
+
+			  	{/* <Spin tip="加载中..." spinning={this.state.vnc_reseting}>
+				</Spin> */}
+				
+				
                 <VNCDisplay
                     {...this.props}
 					key={this.state.displayKey}
 					vnc_url={this.state.vnc_url || this.props.vnc_url}
-                >
-				
+                >	
+					<Spin tip="加载中..." spinning={this.state.vnc_reseting}>
+					</Spin>
 					<Drawer
 						mask={true}
 						title=""
diff --git a/public/react/src/modules/page/component/monaco/TPIMonaco.js b/public/react/src/modules/page/component/monaco/TPIMonaco.js
index 54763174e..6d53cfac7 100644
--- a/public/react/src/modules/page/component/monaco/TPIMonaco.js
+++ b/public/react/src/modules/page/component/monaco/TPIMonaco.js
@@ -222,7 +222,7 @@ class TPIMonaco extends Component {
             // https://github.com/Microsoft/monaco-editor/issues/539
             window.monaco.editor.setModelLanguage(editor_monaco.getModel(), lang)
         } else if (prevProps.isEditablePath != this.props.isEditablePath) {
-            if (this.props.isEditablePath) {
+            if (this.props.isEditablePath || this.props.shixun && this.props.shixun.code_edit_permission == true) {
                 editor_monaco.updateOptions({readOnly: false})
             } else {
                 editor_monaco.updateOptions({readOnly: true})
@@ -271,7 +271,7 @@ class TPIMonaco extends Component {
             const lang = getLanguageByMirrorName(this.props.mirror_name);
             const editor = window.monaco.editor.create(document.getElementById('extend-challenge-file-edit'), {
                 value: value,
-                readOnly: !this.props.isEditablePath,
+                readOnly: !this.props.isEditablePath && this.props.shixun && this.props.shixun.code_edit_permission != true,
                 // 属性说明
                 // http://testeduplus2.educoder.net/react/build/static/node_modules/_monaco-editor@0.15.6@monaco-editor/esm/vs/editor/common/config/commonEditorConfig.js
                 // https://github.com/Microsoft/monaco-editor/issues/29
diff --git a/public/react/src/modules/page/main/CodeRepositoryView.js b/public/react/src/modules/page/main/CodeRepositoryView.js
index 135edcf6e..6da34c541 100644
--- a/public/react/src/modules/page/main/CodeRepositoryView.js
+++ b/public/react/src/modules/page/main/CodeRepositoryView.js
@@ -157,13 +157,13 @@ class CodeRepositoryView extends Component {
     }
 
 
-    onPathChange(index) {
+    onPathChange(index, isDropDown) {
         const { challenge, onPathChange, doFileUpdateRequestOnCodeMirrorBlur } = this.props;
         if (challenge.pathIndex !== index) {
             // 切换时保存文件
             // doFileUpdateRequestOnCodeMirrorBlur(true)
 
-            onPathChange(index)
+            onPathChange(index, isDropDown)
         }
     }
 
@@ -174,7 +174,7 @@ class CodeRepositoryView extends Component {
         const pathArray = path.forEach ? path : [path]
         pathArray.forEach( (item, index) => {
             domArray.push( 
-                <p key={index} className={classNames({'blue-line': pathIndex == index})} onClick={ () => this.onPathChange(index) } >
+                <p key={index} className={classNames({'blue-line': pathIndex == index})} onClick={ () => this.onPathChange(index, true) } >
                     {item}    
                 </p> )
         })
@@ -501,7 +501,8 @@ class CodeRepositoryView extends Component {
                         </Tooltip>
                     } */}
                     <div className="codemirrorBackground" 
-                        style={{ backgroundImage: `url('${notEditablePathImg}')`, display: (isEditablePath ? 'none' : 'block') }}></div>
+                        style={{ backgroundImage: `url('${notEditablePathImg}')`
+                            , display: (isEditablePath || this.props.shixun && this.props.shixun.code_edit_permission ? 'none' : 'block') }}></div>
                     {/*<textarea className = "" id="extend-challenge-file-edit" name="content">{repositoryCode}</textarea>*/}
                     {/* cm monaco 切换 */}
                     {/* <TPICodeMirror {...this.props} ></TPICodeMirror> */}
diff --git a/public/react/src/modules/page/main/CodeRepositoryViewContainer.js b/public/react/src/modules/page/main/CodeRepositoryViewContainer.js
index c6e7ddc79..111ccd253 100644
--- a/public/react/src/modules/page/main/CodeRepositoryViewContainer.js
+++ b/public/react/src/modules/page/main/CodeRepositoryViewContainer.js
@@ -231,12 +231,14 @@ class CodeRepositoryViewContainer extends Component {
 			const { fetchRepositoryCode, onPathChange, showSnackbar, challenge } = this.props;
 			
 			const nodePath = info.node.props.eventKey;
+			let isCurrentFile = false;
 			// 设置pathIndex为-1，那么代码文件下拉可以切回可编辑的文件
 			if (!challenge.multiPath) {	// 单path任务  多path任务 path是数组
 				if (challenge.path.trim() == nodePath.trim()) {
 					if (challenge.pathIndex === 0) {
 						showSnackbar(`当前编辑文件已经是${nodePath}`)
 					} else {
+						fetchRepositoryCode(null, nodePath, 1);	
 						onPathChange(0)
 					}
 					return;
@@ -244,7 +246,7 @@ class CodeRepositoryViewContainer extends Component {
 					onPathChange(-1)
 				}
 			} else {
-				let isCurrentFile = false;
+				
 				let cur_index = -1;
 				if (challenge.path && challenge.path.forEach) {
 					challenge.path.forEach((item, index) => {
diff --git a/public/react/src/modules/paths/PathDetail/DetailCardsEditAndAdd.js b/public/react/src/modules/paths/PathDetail/DetailCardsEditAndAdd.js
index 3425735ae..433146b8c 100644
--- a/public/react/src/modules/paths/PathDetail/DetailCardsEditAndAdd.js
+++ b/public/react/src/modules/paths/PathDetail/DetailCardsEditAndAdd.js
@@ -135,10 +135,11 @@ class DetailCardsEditAndAdd extends Component{
 
   //点击新建阶段
   addStage=()=>{
-    this.props.editeditbuttomtypes();
     this.setState({
       editPanel:true
     })
+    this.props.editeditbuttomtypes();
+
 
   }
   //取消新建阶段
@@ -275,13 +276,12 @@ class DetailCardsEditAndAdd extends Component{
       shixun_id:shixuns_listeditlist
     }).then((response) => {
       // window.location.href = "/paths/" + response.data.subject_id
-      this.props.getPathCardsLists();
-
       this.cancelAddState();
       this.setState({
         stage_nametype:false,
         descriptiontype:false
       })
+      this.props.getPathCardsLists();
     }).catch((error) => {
       console.log(error)
     });
diff --git a/public/react/src/modules/paths/PathNew.js b/public/react/src/modules/paths/PathNew.js
index 7dcef663b..4e1621bc5 100644
--- a/public/react/src/modules/paths/PathNew.js
+++ b/public/react/src/modules/paths/PathNew.js
@@ -288,7 +288,7 @@ class PathNew extends Component{
             </div>
             
             <div className="clearfix mb30 mt30">
-              <Button className="defalutSubmitbtn fl mr20" loading={this.state.bottonloading} onClick={this.submitNewPath}>提交</Button>
+              <button className="defalutSubmitbtn fl mr20" loading={this.state.bottonloading} onClick={this.submitNewPath}>提交</button>
               {this.isEditPage ? 
                 <Link to={`/paths/${this.props.match.params.pathId}`} 
                     className="defalutCancelbtn fl">取消</Link>
diff --git a/public/react/src/modules/tpm/TPMIndexHOC.js b/public/react/src/modules/tpm/TPMIndexHOC.js
index 657a1ef6b..c366b21a3 100644
--- a/public/react/src/modules/tpm/TPMIndexHOC.js
+++ b/public/react/src/modules/tpm/TPMIndexHOC.js
@@ -202,48 +202,40 @@ export function TPMIndexHOC(WrappedComponent) {
         NORMAL = 6      # 普通用户
         Anonymous = 7      # 普未登录
       */
-      //超管
+      //超管0
       isSuperAdmin = () => {
         // return false
         return this.state.coursedata&&this.state.coursedata.course_identity === 0
       }
-			//  课堂管理等
+			//超管、运维0-1
 			isClassManagement = () => {
-				// return this.state.coursedata&&this.state.coursedata.course_identity >= 0 &&
 				return  this.state.coursedata&&this.state.coursedata.course_identity < 2
 			}
-			//老师等
+			//超管、运维、课堂管理0-2
       isAdminOrCreator = () => {
-        // return this.state.coursedata&&this.state.coursedata.course_identity >= 0 &&
         return  this.state.coursedata&&this.state.coursedata.course_identity < 3
       }
-			//  助教等
+			//超管、运维、课堂管理、老师0-3
       isAdminOrTeacher = () => {
-        // return this.state.coursedata&&this.state.coursedata.course_identity >= 0 &&
         return this.state.coursedata&&this.state.coursedata.course_identity < 4
       }
-      // 老师、管理员等
+      // 超管、运维、课堂管理、老师、助教0-4
       isAdmin = () => {
-        // return false
-        // return this.state.coursedata&&this.state.coursedata.course_identity >= 0 &&
         return this.state.coursedata&&this.state.coursedata.course_identity < 5
       }
-      // 学生
+      // 学生5
       isStudent = () => {
-        // return true
-        // return this.state.coursedata&&this.state.coursedata.course_identity >= 0 &&
         return this.state.coursedata&&this.state.coursedata.course_identity === 5
       }
+			// 超管、运维、课堂管理、老师、助教、学生0-5
       isAdminOrStudent = () => {
-        // return this.state.coursedata&&this.state.coursedata.course_identity >= 0 &&
         return this.state.coursedata&&this.state.coursedata.course_identity <= 5
       }
-      // 非课堂成员
+			// 游客未登录/非课堂成员6>
       isNotMember = () => {
-        // return this.state.coursedata&&this.state.coursedata.course_identity >= 0 &&
         return this.state.coursedata&&this.state.coursedata.course_identity >= 6
       }
-
+      //课堂是否已结束
       isCourseEnd = () => {
         return this.state.current_user ? this.state.current_user.course_is_end : false
       }