diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index d889de36d..dbdcaea40 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -126,10 +126,11 @@ module ApplicationHelper
   # 用户图像url，如果不存在的话，source为匿名用户，即默认使用匿名用户图像
   def url_to_avatar(source)
     if File.exist?(disk_filename(source.class, source.id))
+      ctime = File.ctime(disk_filename(source.class, source.id)).to_i
       if source.class.to_s == 'User'
-        File.join(relative_path, ["#{source.class}", "#{source.id}"])
+        File.join(relative_path, ["#{source.class}", "#{source.id}"]) + "?t=#{ctime}"
       else
-        File.join("images/avatars", ["#{source.class}", "#{source.id}"])
+        File.join("images/avatars", ["#{source.class}", "#{source.id}"]) + "?t=#{ctime}"
       end
     elsif source.class.to_s == 'User'
       str = source.user_extension.try(:gender).to_i == 0 ? "b" : "g"
diff --git a/app/views/users/courses/shared/_course.json.jbuilder b/app/views/users/courses/shared/_course.json.jbuilder
index e917033da..8da80f372 100644
--- a/app/views/users/courses/shared/_course.json.jbuilder
+++ b/app/views/users/courses/shared/_course.json.jbuilder
@@ -5,6 +5,7 @@ json.members_count course.course_members_count
 # json.homework_commons_count course.homework_commons_count
 json.homework_commons_count get_tasks_count course
 json.attachments_count course.attachments.count
+json.visits course.visits
 
 json.first_category_url module_url(course.course_modules.where(hidden: 0).order(position: :desc).first, course)
 
diff --git a/public/react/config/webpack.config.dev.js b/public/react/config/webpack.config.dev.js
index b4f1aec9f..aabcd8fb7 100644
--- a/public/react/config/webpack.config.dev.js
+++ b/public/react/config/webpack.config.dev.js
@@ -32,7 +32,7 @@ module.exports = {
   // See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.s
 	// devtool: "cheap-module-eval-source-map",
   // 开启调试
-    devtool: "eval-source-map",  // 开启调试
+  //   devtool: "eval-source-map",  // 开启调试
   // These are the "entry points" to our application.
   // This means they will be the "root" imports that are included in JS bundle.
   // The first two entry points enable "hot" CSS and auto-refreshes for JS.
diff --git a/public/react/src/modules/courses/busyWork/NewWorkForm.js b/public/react/src/modules/courses/busyWork/NewWorkForm.js
index bc74576d3..c52350c78 100644
--- a/public/react/src/modules/courses/busyWork/NewWorkForm.js
+++ b/public/react/src/modules/courses/busyWork/NewWorkForm.js
@@ -70,10 +70,23 @@ class NewWorkForm extends Component{
           contentFileList,
           answerFileList,
         }, () => {
-          setTimeout(() => {
-            this.contentMdRef.current.setValue(data.description || '')
-            this.answerMdRef.current.setValue(data.reference_answer || '')
-          }, 2000)
+          // setTimeout(() => {
+          //   this._scrollToTop()
+            // 阻止setValue的滚动
+            // $(window).scroll( function() { 
+            //   $("html").scrollTop(0)
+            //   $(window).unbind("scroll");
+            // });
+            /**
+              setValue会调用到 codemirror的 o.scrollIntoView(i),  会导致滚动条跳动
+             */
+            // $('.editormd').parent().css('position', 'fixed').css('left', '-1000px')
+            // this.contentMdRef.current.setValue(data.description || '')
+            // this.answerMdRef.current.setValue(data.reference_answer || '')
+            // setTimeout(() => {
+            //     $('.editormd').parent().css('position', '').css('left', 'auto')
+            // }, 100);
+          // }, 500)
           
           this.props.form.setFieldsValue({
             title: data.name,
@@ -85,12 +98,13 @@ class NewWorkForm extends Component{
       } else { // new
 
       }
-    this._scrollToTop()
+    // this._scrollToTop()
   }
   _scrollToTop = () => {
-    setTimeout(() => {
-      $("html").animate({ scrollTop: 0 })
-    }, 1500)
+    // setTimeout(() => {
+      $("html").scrollTop(0)
+      // $("html").animate({ scrollTop: 0 })
+    // }, 1000)
   }
 
   // 输入title
@@ -303,15 +317,13 @@ class NewWorkForm extends Component{
     let{
       title_value, contentFileList, answerFileList, max_num, min_num, base_on_project,
       init_max_num, init_min_num, 
-      title_num, course_name, category, has_commit, has_project,
-
-      isEdit
+      title_num, course_name, category, has_commit, has_project
     }=this.state
     const { current_user } = this.props
 
     const courseId = this.state.course_id || this.props.match.params.coursesId ;    
-    
-    if ((isEdit) && !this.state.workLoaded) {
+    this.isEdit = this.isEdit || this.props.match.url.indexOf('/edit') != -1
+    if ((this.isEdit) && !this.state.description) {
       return ''
     } 
     const uploadProps = {
@@ -439,7 +451,8 @@ class NewWorkForm extends Component{
                   }],
                 })(
                   <TPMMDEditor ref={this.contentMdRef} placeholder="请在此输入作业内容和要求,最大限制5000个字符" mdID={'courseContentMD'} refreshTimeout={1500} 
-                    className="courseMessageMD" initValue={this.state.description}></TPMMDEditor>
+                    initValue={this.state.description} noSetValueOnInit={!!this.isEdit}
+                    className="courseMessageMD" ></TPMMDEditor>
                 )}
               </Form.Item> }
               <Upload {...uploadProps} className="upload_1 newWorkUpload">
@@ -507,7 +520,8 @@ class NewWorkForm extends Component{
                     }],
                   })(
                     <TPMMDEditor ref={this.answerMdRef} placeholder="请在此输入作业的参考答案,最大限制5000个字符" mdID={'workAnswerMD'} 
-                        className="courseMessageMD" refreshTimeout={1500} initValue={this.state.reference_answer || ''}></TPMMDEditor>
+                        initValue={this.state.reference_answer || ''} noSetValueOnInit={!!this.isEdit}
+                        className="courseMessageMD" refreshTimeout={1500} ></TPMMDEditor>
                   )}
                 </Form.Item>
                 <Upload {...answerUploadProps} className="upload_1 newWorkUpload resetNewWorkUpload">
diff --git a/public/react/src/modules/courses/common/CBreadcrumb.js b/public/react/src/modules/courses/common/CBreadcrumb.js
index 6e3343edf..bf98a3a36 100644
--- a/public/react/src/modules/courses/common/CBreadcrumb.js
+++ b/public/react/src/modules/courses/common/CBreadcrumb.js
@@ -16,7 +16,7 @@ class CBreadcrumb extends Component{
             return ''
           }
           if (item.to) {
-            return <React.Fragment>
+            return <React.Fragment key={index}>
               <WordsBtn style="grey" className="fl hovercolorblue" to={item.to}>{item.name}</WordsBtn>
               {separator ? 
                 <span className="color-grey-9 fl ml3 mr3">{separator}</span> :
@@ -24,7 +24,7 @@ class CBreadcrumb extends Component{
               }
             </React.Fragment>
           } else {
-            return <span>{item.name}</span>
+            return <span key={index}>{item.name}</span>
           }
         })}
       </p>
diff --git a/public/react/src/modules/courses/shixunHomework/Trainingjobsetting.js b/public/react/src/modules/courses/shixunHomework/Trainingjobsetting.js
index 366f239d0..90fb3939b 100644
--- a/public/react/src/modules/courses/shixunHomework/Trainingjobsetting.js
+++ b/public/react/src/modules/courses/shixunHomework/Trainingjobsetting.js
@@ -1738,7 +1738,6 @@ class Trainingjobsetting extends Component {
                             flagPageEditstwo:releasetime,
                             flagPageEditsthrees:deadline,
                             flagPageEditsfor:endtime,
-
                             unifiedsetting:this.state.unifiedsetting,
                         });
                         if(this.state.work_efficiencys===true){
@@ -1784,7 +1783,121 @@ class Trainingjobsetting extends Component {
         } catch (e) {
 
         }
+    };
+     //一进来就是老师要用的编辑页面
+    editSettings=(datas)=>{
+        console.log("编辑页面");
+        console.log(datas);
+        try {
+            if (datas.data.is_end === true) {
+                this.setState({
+                    modalsType: true,
+                    modalsTopval: "课堂已结束不能再修改!",
+                    loadtype: true,
+                    modalSave: this.cancelBox
+                })
+            } else {
+                var releasetime =true;
+                var deadline = true;
+                var  endtime =true;
+                var whethertopays =true;
+                //发布时间
+
+                if(moment(datas.data.publish_time,"YYYY-MM-DD HH:mm")<=moment()){
+                    releasetime=false;
+                }
+                //截止时间
+                if(moment(datas.data.end_time,"YYYY-MM-DD HH:mm")<=moment()){
+                    deadline=false;
+                }
+                //结束时间
+                if(moment(datas.data.late_time,"YYYY-MM-DD HH:mm")<=moment()){
+                    endtime=false;
+                }
+                if(datas.data.allowreplenishment === false){
+                    whethertopays=false;
+                }
+
+                try {
+                    if(datas.data&& datas.data.homework_status[0]==="未发布"){
+                        this.setState({
+                            flagPageEditsbox:true,
+                            flagPageEdit: true,
+                            whethertopay:whethertopays,
+                            flagPageEditstwo:releasetime,
+                            flagPageEditsthrees:deadline,
+                            flagPageEditsfor:endtime,
+                            completionefficiencyscore:true,
+                            work_efficiencys:true,
+                            unifiedsetting:datas.data.unifiedsetting,
+                            latedeductiontwo:20,
+                        });
+                        //均分比例
+                        try {
+                            if(datas.data.proportion==="均分比例"){
+                                this.Equalproportion(20);
+
+                            }else if(datas.data.proportion==="经验值比例"){
+                                this.Empiricalvalueratio(20);
+
+                            }
+                        }catch (e) {
 
+                        }
+
+                    }else {
+                        this.setState({
+                            flagPageEditsbox:true,
+                            flagPageEdit: true,
+                            whethertopay:whethertopays,
+                            flagPageEditstwo:releasetime,
+                            flagPageEditsthrees:deadline,
+                            flagPageEditsfor:endtime,
+                            unifiedsetting:datas.data.unifiedsetting,
+                        });
+                        if(datas.data.work_efficiencys===true){
+                            this.setState({
+                                completionefficiencyscore:true,
+                            })
+                        }else{
+                            this.setState({
+                                completionefficiencyscore:false,
+                            })
+                        }
+                    }
+                }catch (e) {
+                    this.setState({
+                        flagPageEditsbox:true,
+                        flagPageEdit: true,
+                        whethertopay:whethertopays,
+                        flagPageEditstwo:releasetime,
+                        flagPageEditsthrees:deadline,
+                        flagPageEditsfor:endtime,
+                        unifiedsetting:datas.data.unifiedsetting,
+                    });
+                    if(datas.data.work_efficiencys===true){
+                        this.setState({
+                            completionefficiencyscore:true,
+                        })
+                    }else{
+                        this.setState({
+                            completionefficiencyscore:false,
+                        })
+                    }
+                }
+
+                if(datas.data.proportion === "自定义分值"){
+                    this.setState({
+                        boolUnitetwoname:"自定义分值",
+                        boolUnitetwo: false,
+                        flagPageEdits:true,
+                    })
+                }
+
+            }
+        } catch (e) {
+
+        }
     }
     //取消编辑
     cancelEdit = () => {
@@ -1919,8 +2032,8 @@ class Trainingjobsetting extends Component {
 
         const dataformat = 'YYYY-MM-DD HH:mm';
         let {flagPageEdit,testscripttiptype,publish_timebool,end_timebool,late_timesbool,work_efficiencys,flagPageEdits,flagPageEditstwo,flagPageEditsbox,whethertopay,handclass,flagPageEditsthrees, flagPageEditsfor,rules,rulest,unifiedsetting,group_settings, course_group,unit_e_tip, borreds,borredss,unit_p_tip, end_time, late_time, score_open, publish_time, starttimetype, modalsType, modalsTopval, loadtype, modalSave, endtimetype, latetimetype, allowlate, latepenaltytype, jobsettingsdata, endOpen, mystyle, mystyles} = this.state;
-        console.log(publish_timebool);
-        console.log(!flagPageEditstwo);
+        // console.log(publish_timebool);
+        // console.log(!flagPageEditstwo);
         const radioStyle = {
             display: 'block',
             height: '30px',
diff --git a/public/react/src/modules/tpm/challengesnew/TPMMDEditor.js b/public/react/src/modules/tpm/challengesnew/TPMMDEditor.js
index 91cb34954..5d54f514b 100644
--- a/public/react/src/modules/tpm/challengesnew/TPMMDEditor.js
+++ b/public/react/src/modules/tpm/challengesnew/TPMMDEditor.js
@@ -236,19 +236,24 @@ export default class TPMMDEditor extends Component {
 
             setTimeout(() => {
                 if (that.props.needRecreate == true) {
-                    __editorName.recreate()
+                    __editorName.recreate() // 注意 必须在setValue之前触发，不然会清空
                 } else {
                     __editorName.resize()
                 }
                 console.log('timeout', __editorName.id)
                 __editorName.cm && __editorName.cm.refresh()
             }, that.props.refreshTimeout || 500)
-            if (that.props.initValue != undefined && that.props.initValue != '') {
-                __editorName.setValue(that.props.initValue)
-            }
-            if (that.state.initValue) {
-                __editorName.setValue(that.state.initValue)
+            if (this.props.noSetValueOnInit) {
+                that.onEditorChange()
+            } else {
+                if (that.props.initValue != undefined && that.props.initValue != '') {
+                    __editorName.setValue(that.props.initValue)
+                }
+                if (that.state.initValue) {
+                    __editorName.setValue(that.state.initValue)
+                }
             }
+            
             __editorName.cm.on("change", (_cm, changeObj) => {
                 that.contentChanged = true;
                 if (that.state.showError) {
@@ -277,6 +282,7 @@ export default class TPMMDEditor extends Component {
     onEditorChange = () => {
         if (!this.answers_editormd) return;
         const val = this.answers_editormd.getValue();
+        //console.log('onEditorChange', this.props.id, val)
         try {
             this.props.onChange && this.props.onChange(val)
         } catch(e) {