diff --git a/public/react/src/modules/courses/shixunHomework/ShixunhomeWorkItem.js b/public/react/src/modules/courses/shixunHomework/ShixunhomeWorkItem.js
index 2cba68a22..006b10fb4 100644
--- a/public/react/src/modules/courses/shixunHomework/ShixunhomeWorkItem.js
+++ b/public/react/src/modules/courses/shixunHomework/ShixunhomeWorkItem.js
@@ -381,7 +381,7 @@ class ShixunhomeWorkItem extends Component{
                 {
                   discussMessage && discussMessage.upper_category_name &&
                   <ConditionToolTip title={discussMessage.upper_category_name} condition={ discussMessage.upper_category_name.length > 22 }>
-                    { <span className="mr15 color-grey9 task-hide" style={{discussMessage.time_status===1||discussMessage.time_status===2||discussMessage.time_status===3||discussMessage.time_status===4"maxWidth":"230px":"maxWidth":"272px"}} title={discussMessage.upper_category_name}>{discussMessage.upper_category_name}</span>}
+                    { <span className="mr15 color-grey9 task-hide" style={discussMessage.time_status===1||discussMessage.time_status===2||discussMessage.time_status===3||discussMessage.time_status===4?{"maxWidth":"230px"}:{"maxWidth":"272px"}} title={discussMessage.upper_category_name}>{discussMessage.upper_category_name}</span>}
                   </ConditionToolTip>
                 }
                 
diff --git a/public/react/src/modules/courses/shixunHomework/shixunHomework.js b/public/react/src/modules/courses/shixunHomework/shixunHomework.js
index c15a19f8f..44a8e003b 100644
--- a/public/react/src/modules/courses/shixunHomework/shixunHomework.js
+++ b/public/react/src/modules/courses/shixunHomework/shixunHomework.js
@@ -89,7 +89,8 @@ class ShixunHomework extends Component{
 		})
 		if(this.props.match.params.main_id){
 			this.setState({
-				isSpin:true
+				isSpin:true,
+				checkedtype:false
 			})
 			this.seactall();
 			if(this.props.isAdmin()===true){
@@ -98,7 +99,8 @@ class ShixunHomework extends Component{
 
 		}else if(this.props.match.params.category_id){
 			this.setState({
-				isSpin:true
+				isSpin:true,
+				checkedtype:false
 			})
 			this.seactall(parseInt(this.props.match.params.category_id))
 			if(this.props.isAdmin()===true){
@@ -136,11 +138,17 @@ class ShixunHomework extends Component{
 
     if(prevProps.match.params.main_id != this.props.match.params.main_id){
       if(this.props.match.params.main_id!=undefined){
+      	this.setState({
+					checkedtype:false
+				})
         this.seactall();
       }
     }
     if(prevProps.match.params.category_id != this.props.match.params.category_id){
       if(this.props.match.params.category_id!=undefined){
+				this.setState({
+					checkedtype:false
+				})
         this.seactall(parseInt(this.props.match.params.category_id))
       }
     }
@@ -1100,7 +1108,7 @@ class ShixunHomework extends Component{
 					<div className="mt20 edu-back-white padding20-30">
 
           <div className="clearfix">
-            <Checkbox className="fl" style={{marginTop:'0px'}}checked={checkedtype} onClick={this.funselect}>已选 {checkBoxValues&&checkBoxValues.length} 个   （不支持跨页勾选）</Checkbox>
+            <Checkbox className="fl" style={{marginTop:'0px'}} checked={checkedtype} onClick={this.funselect}>已选 {checkBoxValues&&checkBoxValues.length} 个   （不支持跨页勾选）</Checkbox>
             <div className="studentList_operation_ul">
                 <li className="li_line"><a className="color-grey-9" onClick={this.onDelete}>删除</a></li>
                 <li className="li_line"><a className="color-grey-9" onClick={this.homeworkstart}>立即发布</a></li>