diff --git a/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js b/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
index b761cf249..0be54a6b7 100644
--- a/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
+++ b/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
@@ -3,6 +3,7 @@ import React,{ Component } from "react";
 import { Row, Col,Card,Select} from 'antd';
 import {getImageUrl} from 'educoder';
 import axios from 'axios';
+import NoneDatas from "../component/NoneDatas";
 import {
   Chart,
   Geom,
@@ -17,7 +18,7 @@ class Signinstatistics extends Component {
     super(props)
     this.state={
       datas:null,
-      newlist:[],
+      newlist:undefined,
       course_groups:[{id:"全部",name:"全部"}],
 			spal:false,
     }
@@ -177,7 +178,7 @@ class Signinstatistics extends Component {
 									</Col>
 								</Row>
 
-								<div className={"SigninstatisticsChart mt20"}>
+                {newlist&&newlist.length>0?<div className={"SigninstatisticsChart mt20"}>
 									<div className={"pd30"}>
 										<Row>
 											<Col span={14}>
@@ -218,7 +219,7 @@ class Signinstatistics extends Component {
 									</div>
 
 									<div className={"padding03000"}>
-										<Chart height={400} data={newlist} scale={cols} forceFit>
+                   <Chart height={400} data={newlist} scale={cols} forceFit>
 											{/*<Legend />*/}
 											<Axis name="month" />
 											<Axis
@@ -270,7 +271,11 @@ class Signinstatistics extends Component {
 										</Chart>
 									</div>
 
-								</div>
+								</div>:<div style={{
+                  minHeight:"400px",
+                }}>
+                  <NoneDatas></NoneDatas>
+                </div>}
 							</div>
 					}
 				</div>