diff --git a/public/react/src/modules/courses/busyWork/CommonWorkSetting.js b/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
index 3f7e5f3ad..72987d2ca 100644
--- a/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
+++ b/public/react/src/modules/courses/busyWork/CommonWorkSetting.js
@@ -231,7 +231,7 @@ class CommonWorkSetting extends Component{
           end_time: endTime.format(dateFormat)
         })
       }
-      if (!this.state.late_time && endTime) {
+      if (this.state.allow_late && !this.state.late_time && endTime) {
         this.setState({
           late_time: endTime.add(1, 'months').format(dateFormat)
         })
@@ -265,9 +265,12 @@ class CommonWorkSetting extends Component{
     const currentEndTime = this._getCurrentEndTime()
     let evaluation_start, evaluation_end, evaluation_num = 0, absence_penalty = 0;
     if (checked) {
-      if (currentEndTime) {
-        evaluation_start = moment(currentEndTime).add(7, 'days').format(dateFormat)
-        evaluation_end = moment(currentEndTime).add(21, 'days').format(dateFormat)
+      if (this.state.allow_late && this.state.late_time) {
+        evaluation_start = moment(this.state.late_time).add(14, 'days').format(dateFormat)
+        evaluation_end = moment(this.state.late_time).add(28, 'days').format(dateFormat)
+      } else if (currentEndTime) {
+        evaluation_start = moment(currentEndTime).add(14, 'days').format(dateFormat)
+        evaluation_end = moment(currentEndTime).add(28, 'days').format(dateFormat)
       }
       if (!this.state.evaluation_num) {
         evaluation_num = 3
@@ -320,11 +323,15 @@ class CommonWorkSetting extends Component{
     const { evaluation_end } = this.state;
     const anonymous_appeal = e.target.checked
     let appeal_time, appeal_penalty = this.state.appeal_penalty
+    const currentEndTime = this._getCurrentEndTime()
+    
     if (anonymous_appeal) {
       appeal_penalty = 2
-      if (evaluation_end) {
-        appeal_time = moment(evaluation_end).add(7, 'days').format(dateFormat)
-      } 
+      if (this.state.allow_late && this.state.late_time) {
+        appeal_time = moment(this.state.late_time).add(5 * 7, 'days').format(dateFormat)
+      } else if (currentEndTime) {
+        appeal_time = moment(currentEndTime).add(5 * 7, 'days').format(dateFormat)
+      }
     } else {
       appeal_time = null;
     }
@@ -386,7 +393,7 @@ class CommonWorkSetting extends Component{
       answer_public: e.target.checked
     })
   }
-
+  // 补交设置 允许补交
   allow_late_change=(e)=>{
     this.setState({
       allow_late: e.target.value
@@ -401,6 +408,10 @@ class CommonWorkSetting extends Component{
           late_time: moment(handleDateString(currentEndTime)).add(1, 'months').format(dateFormat)
         })
       }
+    } else {
+      this.setState({
+        late_time: null
+      })
     }
   }