调整

public/react/src/modules/courses/graduation/tasks/index.js

@@ -612,7 +612,7 @@ class GraduationTasks extends Component{
     const category_id=this.props.match.params.Id;
     const graduationId=this.props.match.params.graduationId;
      // console.log(this.props.isCourseidentity()===isNotMember)
-   // console.log(category_id)
+   console.log(checkBoxValues)
     return(
       <React.Fragment>
         {/*提示*/}
@@ -710,7 +710,7 @@ class GraduationTasks extends Component{
 
         {this.props.isAdmin()?all_count===undefined?'' :all_count===0?"": <div className="mt20 edu-back-white padding20-30">
           <div className="clearfix">
-             <Checkbox className="fl" onChange={this.onCheckAll} checked={checkAllValue}>已选 {checkBoxValues.length} 个   （不支持跨页勾选）</Checkbox>
+             <Checkbox className="fl" onChange={this.onCheckAll} checked={checkAllValue}>已选 {checkBoxValues===undefined?0: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>