diff --git a/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js b/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
index 5f0c2c699..0f84980bc 100644
--- a/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
+++ b/public/react/src/modules/courses/signin/Signinstatistics/Signinstatistics.js
@@ -1,6 +1,7 @@
 import "../css/Signinstatistics.css";
 import React,{ Component } from "react";
 import { Row, Col,Card,Select} from 'antd';
+import {getImageUrl} from 'educoder';
 import axios from 'axios';
 import {
   Chart,
@@ -96,6 +97,24 @@ class Signinstatistics extends Component {
       <React.Fragment >
 
         <Row type="flex" justify="space-between" className={"mt20"}>
+          <style>
+            {
+              `
+              .lishiqiandao{
+                background-image: url(${getImageUrl(`/images/qiandao/lishi.png`)});
+              }
+                  .daokeqiandao{
+                background-image: url(${getImageUrl(`/images/qiandao/daoke.png`)});
+              }
+                  .kuangkeqiandao{
+                background-image: url(${getImageUrl(`/images/qiandao/kuangke.png`)});
+              }
+                  .qingjiaqiandao{
+                background-image: url(${getImageUrl(`/images/qiandao/qingjia.png`)});
+              }
+              `
+            }
+          </style>
           <Col span={6}>
             <Card style={{ width: 209 }} className={"gutterrowbox lishiqiandao"}>
               <div className={"gutterrowboxcontent ml5"}>{datas&&datas.all_history_count}</div>
diff --git a/public/react/src/modules/courses/signin/css/Signinstatistics.css b/public/react/src/modules/courses/signin/css/Signinstatistics.css
index 16067e5c2..820d07f1c 100644
--- a/public/react/src/modules/courses/signin/css/Signinstatistics.css
+++ b/public/react/src/modules/courses/signin/css/Signinstatistics.css
@@ -14,45 +14,45 @@
     color:rgba(255,255,255,1);
 }
 .ml14{
-    margin-left: 14px;
+    margin-left: 14px !important;
 }
 .ml8{
-    margin-left: 8px;
+    margin-left: 8px !important;
 }
 .ml20{
-    margin-left: 20px;
+    margin-left: 20px !important;
 }
 .lishiqiandao{
- 
+
     height: 150px;
-    background-image: url(./lishi.png);
-    background-size: cover;
-    background-position: center;
-    background-repeat: no-repeat;
+
+    background-size: cover !important;
+    background-position: center !important;
+    background-repeat: no-repeat !important;
 }
 .daokeqiandao{
 
     height: 150px;
-    background-image: url(./daoke.png);
-    background-size: cover;
-    background-position: center;
-    background-repeat: no-repeat;
+
+    background-size: cover !important;
+    background-position: center !important;
+    background-repeat: no-repeat !important;
 }
 .kuangkeqiandao{
 
     height: 150px;
-    background-image: url(./kuangke.png);
-    background-size: cover;
-    background-position: center;
-    background-repeat: no-repeat;
+
+    background-size: cover !important;
+    background-position: center !important;
+    background-repeat: no-repeat !important;
 }
 .qingjiaqiandao{
 
     height: 150px;
-    background-image: url(./qingjia.png);
-    background-size: cover;
-    background-position: center;
-    background-repeat: no-repeat;
+
+    background-size: cover !important;
+    background-position: center !important;
+    background-repeat: no-repeat !important;
 }
 
 .SigninstatisticsChart{
diff --git a/public/react/src/modules/courses/signin/model/Createsignmodel.js b/public/react/src/modules/courses/signin/model/Createsignmodel.js
index 735d32de9..9b0d57461 100644
--- a/public/react/src/modules/courses/signin/model/Createsignmodel.js
+++ b/public/react/src/modules/courses/signin/model/Createsignmodel.js
@@ -3,6 +3,24 @@ import React from 'react'
 import { Modal , Form, Input, Radio,DatePicker, TimePicker,Select,Button} from 'antd';
 import moment from 'moment';
 import axios from 'axios';
+function range(start, end) {
+  const result = [];
+  for (let i = start; i < end; i++) {
+    result.push(i);
+  }
+  return result;
+}
+
+function disabledDateTime() {
+  return {
+    disabledMinutes: () => range(1, 30).concat(range(31, 60)),
+    // disabledSeconds: () => range(0,60)
+  }
+}
+
+function disabledDate(current) {
+  return current && current < moment().endOf('day').subtract(1, 'days');
+}
 
 const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
 
@@ -121,7 +139,10 @@ const CollectionCreateForm = Form.create({ name: 'form_in_modal' })(
             <Form.Item label="签到日期：">
               {getFieldDecorator('attendance_date',  {
                 rules: [{ type: 'object', required: true, message: '请选择签到日期',}],
-              })(<DatePicker style={{width:"413px"}} getPopupContainer={trigger => trigger.parentNode}/>)}
+              })(<DatePicker style={{width:"413px"}} getPopupContainer={trigger => trigger.parentNode}
+                             disabledTime={disabledDateTime}
+                             disabledDate={disabledDate}
+              />)}
             </Form.Item>
 
             <Form.Item label="开始时间：">