diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index f221492f..b6bb1a5d 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -499,7 +499,6 @@
         <option value="$PROJECT_DIR$/src/forge/Main/Detail.js" />
         <option value="$PROJECT_DIR$/src/forge/Main/CoderRootCommit.js" />
         <option value="$PROJECT_DIR$/src/forge/Activity/ActivityItem.js" />
-        <option value="$PROJECT_DIR$/src/forge/Main/CoderRootDirectory.js" />
         <option value="$PROJECT_DIR$/src/forge/Branch/CloneAddress.js" />
         <option value="$PROJECT_DIR$/src/forge/Version/version.js" />
         <option value="$PROJECT_DIR$/public/css/css_min_all.css" />
@@ -1020,16 +1019,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/forge/Main/CoderRootDirectory.js">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="153">
-          <caret line="9" column="50" lean-forward="true" selection-start-line="9" selection-start-column="50" selection-end-line="9" selection-end-column="50" />
-          <folding>
-            <element signature="n#CoderRootDirectory#0" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/modules/user/usersInfo/InfosBanner.js">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="192">
diff --git a/src/AppConfig.js b/src/AppConfig.js
index a5a063b0..31f39150 100644
--- a/src/AppConfig.js
+++ b/src/AppConfig.js
@@ -27,7 +27,7 @@ if (isDev) {
   }
   debugType = window.location.search.indexOf('debug=t') !== -1 ? 'teacher' :
     window.location.search.indexOf('debug=s') !== -1 ? 'student' :
-      window.location.search.indexOf('debug=a') !== -1 ? 'admin' : parsed.debug || 'admin'
+      window.location.search.indexOf('debug=a') !== -1 ? 'admin' : parsed.debug || ''
 }                 
 function clearAllCookie() {
   cookie.remove('_educoder_session', { path: '/' });
diff --git a/src/forge/Main/CoderRootIndex.js b/src/forge/Main/CoderRootIndex.js
index 4dd531bc..ceff9d9f 100644
--- a/src/forge/Main/CoderRootIndex.js
+++ b/src/forge/Main/CoderRootIndex.js
@@ -13,10 +13,6 @@ const UploadFile = Loadable({
   loader: () => import('../Newfile/upload_file'),
   loading: Loading,
 })
-const CoderRootDirectory = Loadable({
-	loader: () => import('./CoderRootDirectory'),
-	loading: Loading,
-})
 const CoderRootCommit = Loadable({
 	loader: () => import('./CoderRootCommit'),
 	loading: Loading,
diff --git a/src/modules/login/EducoderLogin.js b/src/modules/login/EducoderLogin.js
index 5663c69c..578c260c 100644
--- a/src/modules/login/EducoderLogin.js
+++ b/src/modules/login/EducoderLogin.js
@@ -1,6 +1,6 @@
-import React, {Component} from "react";
+import React, { Component } from "react";
 import moment from 'moment';
-import { SnackbarHOC,getImageUrl } from 'educoder';
+import { getImageUrl } from 'educoder';
 import '../courses/css/members.css';
 import "../courses/common/formCommon.css"
 import '../courses/css/Courses.css';
diff --git a/src/modules/tpm/NewHeader.js b/src/modules/tpm/NewHeader.js
index cc054774..bf835abc 100644
--- a/src/modules/tpm/NewHeader.js
+++ b/src/modules/tpm/NewHeader.js
@@ -811,18 +811,12 @@ class NewHeader extends Component {
           {user === undefined ?
             <span className="font-15">
               <a onClick={() => this.educoderlogin()} className="mr5 color-grey-6">登录</a>
-              {
-                settings && settings.new_course && settings.new_course.register_url &&
-                <span><em className="vertical-line"></em><a className="ml5 color-grey-6" href={`${settings.new_course.register_url}`} target="_blank">注册</a></span>
-              }
+              <span><em className="vertical-line"></em><a className="ml5 color-grey-6" href={`/register`}>注册</a></span>
             </span>
             : user.login === "" ?
             <span className="font-15">
               <a onClick={() => this.educoderlogin()} className="mr5 color-grey-6">登录</a>
-              {
-                settings && settings.new_course && settings.new_course.register_url &&
-                <span><em className="vertical-line"></em><a className="color-grey-6 ml5" href={`${settings.new_course.register_url}`} target="_blank">注册</a></span>
-              }
+              <span><em className="vertical-line"></em><a className="color-grey-6 ml5" href={`/register`}>注册</a></span>
             </span>
             :
             <div className="ml30 edu-menu-panel" style={{ height: "70px", lineHeight: "70px" }}>