diff --git a/public/react/src/modules/courses/elearning/YslDetailCards.js b/public/react/src/modules/courses/elearning/YslDetailCards.js
index 3c6b5daff..e6f362561 100644
--- a/public/react/src/modules/courses/elearning/YslDetailCards.js
+++ b/public/react/src/modules/courses/elearning/YslDetailCards.js
@@ -48,7 +48,9 @@ class YslDetailCards extends Component{
 	};
 	hideparagraph=()=>{
 		this.setState({
-			showparagraph:false
+			showparagraph:false,
+			showparagraphkey:null,
+			showparagraphindex:null
 		})
 	};
 	startgameid=(id)=>{
@@ -509,6 +511,13 @@ class YslDetailCards extends Component{
 
 																					</li>
 																			}
+																			<li className={showparagraph===false?"fr status_li":"fr status_li"}>
+																				{
+																					showparagraphkey === key && showparagraphindex === index ? "" :
+																						<span className="fr color204">实验任务 <span
+																							className={"color000"}>{line.challenges_count}</span></span>
+																				}
+																			</li>
 																		</div>)
 																})
 															}
diff --git a/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js b/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
index 0f2dbfcfe..20c40f025 100644
--- a/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
+++ b/public/react/src/modules/courses/exercise/ExerciseReviewAndAnswer.js
@@ -132,11 +132,7 @@ class ExerciseReviewAndAnswer extends Component{
     //   }
     // },1000)
   }
-  autosetimes=(time)=>{
-    this.setState({
-      time:parseInt(time)
-    })
-  }
+
   //自动交卷
   autoCommitExercise=()=>{
 		let eId=this.props.match.params.Id;
@@ -152,14 +148,18 @@ class ExerciseReviewAndAnswer extends Component{
 						modalsBottomval:"不能再修改答题",
 						ModalCancel:undefined,
 						ModalSave:this.sureCommit,
-						Loadtype:true
+						Loadtype:true,
+            time:null,
 					})
 					this.props.showNotification(`${result.data.message}`);
 				}
 
 				if(result.data.status===-2){
 					 // this.remainTime(parseInt(result.data.message))
-            this.autosetimes(result.data.message)
+          this.setState({
+            time:parseInt(result.data.mess)
+          })
+          this.deadline(parseInt(result.data.message))
 				}
 			}
 		}).catch((error)=>{
@@ -258,6 +258,7 @@ class ExerciseReviewAndAnswer extends Component{
           })
           if(result.data.exercise.left_time != null){
             // this.remainTime(result.data.exercise.left_time);
+            this.deadline(result.data.exercise.left_time)
           }
         }
       }).catch((error)=>{
@@ -586,9 +587,14 @@ class ExerciseReviewAndAnswer extends Component{
 
   deadline=(time)=>{
     if(time===null){
-
+      this.setState({
+        Datetime:0
+      })
     }else{
-      return Date.now() + time * 1000 ;
+      this.setState({
+        Datetime:Date.now() + time * 1000
+      })
+      // return Date.now() + time * 1000 ;
     }
 
   }
@@ -695,7 +701,7 @@ class ExerciseReviewAndAnswer extends Component{
               :
               time && time != 0 ?
                 <div className="fr">
-                  <Countdown value={this.deadline(this.state.time)} onFinish={this.autoCommitExercise} />
+                  <Countdown value={this.state.Datetime} onFinish={this.autoCommitExercise} />
                 </div>
                 :""
             }
diff --git a/public/react/src/modules/paths/ShixunPaths.css b/public/react/src/modules/paths/ShixunPaths.css
index b73f68163..802795556 100644
--- a/public/react/src/modules/paths/ShixunPaths.css
+++ b/public/react/src/modules/paths/ShixunPaths.css
@@ -267,4 +267,8 @@
 
 .color181818{
     color: #181818;
+}
+
+.colorD5D8D6{
+  color:#D5D8D6;
 }
\ No newline at end of file