diff --git a/src/modules/403/Shixunauthority.js b/src/modules/403/Shixunauthority.js
index fe916ed5..835eb2a6 100644
--- a/src/modules/403/Shixunauthority.js
+++ b/src/modules/403/Shixunauthority.js
@@ -1,37 +1,23 @@
 import React, { Component } from 'react';
-
-import { BrowserRouter as Router, Route, Link, Switch } from "react-router-dom";
-
-import Loading from '../../Loading';
-
-import Loadable from 'react-loadable';
-
 import { TPMIndexHOC } from '../tpm/TPMIndexHOC';
-
-import { SnackbarHOC,getImageUrl } from 'educoder';
+import { SnackbarHOC, getImageUrl } from 'educoder';
 
 class Shixunauthority extends Component {
     render() {
         return (
             <div className="newMain clearfix">
-                    <div className=" edu-txt-center mt60 mb60">
-                        {/*mt100 mb100*/}
-                        <img src={getImageUrl("images/warn/pic_403.jpg")} />
-                            <p className="font-18 mt40">
-                                您可以稍后尝试&nbsp;<a href="/"
-                                                className="color-blue">返回首页</a>
-                                ，或者&nbsp;
-                                <a target="_blank"
-                                   href="https://qm.qq.com/cgi-bin/qm/qr?k=YVGUhY7uK8ovpyd7tG_lHe2qGZ63LOij&jump_from=webapi"
-                                   className="color-blue">QQ反馈&gt;&gt;</a>
-                            </p>
-                    </div>
-                    {/*<div style="clear:both;"></div>*/}
-                    {/*<div id="ajax-indicator" style="display:none;"><span>载入中...</span></div>*/}
-                    {/*<div id="ajax-modal" style="display:none;"></div>*/}
+                <div className=" edu-txt-center mt60 mb60">
+                    <img src={getImageUrl("images/warn/pic_403.jpg")} alt="" />
+                    <p className="font-18 mt40">
+                        您可以稍后尝试&nbsp;<a href="/" className="color-blue">返回首页</a>
+                        ，或者&nbsp;
+                        <a target="_blank" href="https://qm.qq.com/cgi-bin/qm/qr?k=YVGUhY7uK8ovpyd7tG_lHe2qGZ63LOij&jump_from=webapi"
+                            className="color-blue">QQ反馈&gt;&gt;</a>
+                    </p>
+                </div>
             </div>
         );
     }
 }
 
-export default SnackbarHOC() (TPMIndexHOC  ( Shixunauthority ));
+export default SnackbarHOC()(TPMIndexHOC(Shixunauthority));
diff --git a/src/modules/404/Shixunnopage.js b/src/modules/404/Shixunnopage.js
index f7dd17b8..8a0bc16e 100644
--- a/src/modules/404/Shixunnopage.js
+++ b/src/modules/404/Shixunnopage.js
@@ -1,37 +1,23 @@
 import React, { Component } from 'react';
-
-import { BrowserRouter as Router, Route, Link, Switch } from "react-router-dom";
-
-import Loading from '../../Loading';
-
-import Loadable from 'react-loadable';
-
 import { TPMIndexHOC } from '../tpm/TPMIndexHOC';
-
-import { SnackbarHOC,getImageUrl } from 'educoder';
+import { SnackbarHOC, getImageUrl } from 'educoder';
 
 class http500 extends Component {
     render() {
         return (
             <div className="newMain clearfix">
-                    <div className=" edu-txt-center mt60 mb60">
-                        {/*mt100 mb100*/}
-                        <img src={getImageUrl("/images/warn/pic_404.jpg")} />
-                            <p className="font-18 mt40">
-                                您可以稍后尝试&nbsp;<a href="/"
-                                                className="color-blue">返回首页</a>
-                                ，或者&nbsp;
-                                <a target="_blank"
-                                   href="https://qm.qq.com/cgi-bin/qm/qr?k=YVGUhY7uK8ovpyd7tG_lHe2qGZ63LOij&jump_from=webapi"
-                                   className="color-blue">QQ反馈&gt;&gt;</a>
-                            </p>
-                    </div>
-                    {/*<div style="clear:both;"></div>*/}
-                    {/*<div id="ajax-indicator" style="display:none;"><span>载入中...</span></div>*/}
-                    {/*<div id="ajax-modal" style="display:none;"></div>*/}
+                <div className=" edu-txt-center mt60 mb60">
+                    <img src={getImageUrl("/images/warn/pic_404.jpg")} alt="" />
+                    <p className="font-18 mt40">
+                        您可以稍后尝试&nbsp;<a href="/" className="color-blue">返回首页</a>
+                        ，或者&nbsp;
+                        <a target="_blank" href="https://qm.qq.com/cgi-bin/qm/qr?k=YVGUhY7uK8ovpyd7tG_lHe2qGZ63LOij&jump_from=webapi"
+                            className="color-blue">QQ反馈&gt;&gt;</a>
+                    </p>
+                </div>
             </div>
         );
     }
 }
 
-export default SnackbarHOC() (TPMIndexHOC  ( http500 ));
+export default SnackbarHOC()(TPMIndexHOC(http500));
diff --git a/src/modules/500/http500.js b/src/modules/500/http500.js
index 334d9cd3..b27c44b3 100644
--- a/src/modules/500/http500.js
+++ b/src/modules/500/http500.js
@@ -1,37 +1,22 @@
 import React, { Component } from 'react';
-
-import { BrowserRouter as Router, Route, Link, Switch } from "react-router-dom";
-
-import Loading from '../../Loading';
-
-import Loadable from 'react-loadable';
-
 import { TPMIndexHOC } from '../tpm/TPMIndexHOC';
-
-import { SnackbarHOC,getImageUrl } from 'educoder';
-
+import { SnackbarHOC, getImageUrl } from 'educoder';
 class Shixunnopage extends Component {
     render() {
         return (
             <div className="newMain clearfix">
-                    <div className=" edu-txt-center mt60 mb60">
-                        {/*mt100 mb100*/}
-                        <img src={getImageUrl("images/warn/pic_500.jpg")} />
-                            <p className="font-18 mt40">
-                                您可以稍后尝试&nbsp;<a href="/"
-                                                className="color-blue">返回首页</a>
-                                ，或者&nbsp;
-                                <a target="_blank"
-                                   href="https://qm.qq.com/cgi-bin/qm/qr?k=YVGUhY7uK8ovpyd7tG_lHe2qGZ63LOij&jump_from=webapi"
-                                   className="color-blue">QQ反馈&gt;&gt;</a>
-                            </p>
-                    </div>
-                    {/*<div style="clear:both;"></div>*/}
-                    {/*<div id="ajax-indicator" style="display:none;"><span>载入中...</span></div>*/}
-                    {/*<div id="ajax-modal" style="display:none;"></div>*/}
+                <div className=" edu-txt-center mt60 mb60">
+                    <img src={getImageUrl("images/warn/pic_500.jpg")} alt="" />
+                    <p className="font-18 mt40">
+                        您可以稍后尝试&nbsp;<a href="/" className="color-blue">返回首页</a>
+                        ，或者&nbsp;
+                        <a target="_blank" href="https://qm.qq.com/cgi-bin/qm/qr?k=YVGUhY7uK8ovpyd7tG_lHe2qGZ63LOij&jump_from=webapi"
+                            className="color-blue">QQ反馈&gt;&gt;</a>
+                    </p>
+                </div>
             </div>
         );
     }
 }
 
-export default SnackbarHOC() (TPMIndexHOC  ( Shixunnopage ));
+export default SnackbarHOC()(TPMIndexHOC(Shixunnopage));