diff --git a/public/react/src/modules/courses/signin/model/Createsignmodel.js b/public/react/src/modules/courses/signin/model/Createsignmodel.js
index 6b504e4b7..111e029c4 100644
--- a/public/react/src/modules/courses/signin/model/Createsignmodel.js
+++ b/public/react/src/modules/courses/signin/model/Createsignmodel.js
@@ -36,7 +36,8 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
         start_time:"",
         end_time:"",
         attendance_date:"",
-        newmode:null
+        newmode:null,
+        groupstype:false
       }
     }
 
@@ -72,7 +73,7 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
           })
         })
 
-         console.log(newlist)
+         // console.log(newlist)
         // this.setState({
         //
         // })
@@ -82,7 +83,8 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
           start_time:new Date(this.props.attendancesdata.start_time),
           end_time:new Date(this.props.attendancesdata.end_time),
           newmode:this.props.attendancesdata.mode,
-          course_groups:newcourse_groups
+          course_groups:newcourse_groups,
+          groupstype:newlist.length===0?true:false
         })
 
 
@@ -96,7 +98,8 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
       }else{
         this.setState({
           start_time: new Date("2000-01-01T09:00:00.000+08:00"),
-          course_groups:newcourse_groups
+          course_groups:newcourse_groups,
+          groupstype:false
         })
 
         this.props.form.setFieldsValue({
@@ -238,7 +241,7 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
     }
     render() {
       const { visible,form ,setRadio,Radiolist,hideCreatesign,editvisible} = this.props;
-      let {course_groups,newmode}=this.state;
+      let {course_groups,newmode,groupstype}=this.state;
       const { getFieldDecorator } = form;
       const { Option } = Select;
       const formItemLayout = {
@@ -280,8 +283,8 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
 
             <Form.Item label="签到班级：">
               {getFieldDecorator('group_ids')(
-                <Select mode="multiple" placeholder={course_groups.length>0?"不选择分班时默认选择全部学生":'暂无分班，将默认选择课堂全部学生'} getPopupContainer={trigger => trigger.parentNode}
-                        // disabled={this.props&&this.props.type==="edit"?true:false}
+                <Select mode="multiple" placeholder={this.props&&this.props.type==="edit"&&this.state.groupstype===true?"已选择全部分班":course_groups.length>0?"不选择分班时默认选择全部学生":'暂无分班，将默认选择课堂全部学生'} getPopupContainer={trigger => trigger.parentNode}
+                        disabled={this.props&&this.props.type==="edit"&&this.state.groupstype===true?true:false}
                 >
 
                   {course_groups.map((item,key)=>{