diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 23f6870c8..a1f6a5495 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -73,8 +73,7 @@ class UsersController < ApplicationController
 
     @user_url = "/users/#{@user.login}"
     @career = Career.where(status: true).order("created_at asc").pluck(:id, :name)
-    ec_user = EcSchoolUser.where(:user_id => current_user.id).first
-    @auth = ec_user ? "#{@old_domain}/ecs/department?school_id=#{ec_user.school_id}" : nil
+    @auth =  User.current.ec_school.present? ? "#{@old_domain}/ecs/department?school_id=#{User.current.ec_school}" : nil
   end
 
   # 用户回复功能
diff --git a/app/models/user.rb b/app/models/user.rb
index f2d9c7fb1..a95776be9 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -497,6 +497,13 @@ class User < ApplicationRecord
     )
   end
 
+  # 工程认证的学校
+  def ec_school
+    school_id = self.ec_school_users.pluck(:school_id).first ||
+        self.ec_major_schools.pluck(:school_id).first ||
+        (self.ec_course_users.first && self.ec_course_users.first.try(:ec_course).try(:ec_year).try(:ec_major_school).try(:school_id))
+  end
+
   # 登录，返回用户名与密码匹配的用户
   def self.try_to_login(login, password)
     login = login.to_s.strip
diff --git a/public/react/public/css/edu-all.css b/public/react/public/css/edu-all.css
index da28fb736..a9e24da3d 100644
--- a/public/react/public/css/edu-all.css
+++ b/public/react/public/css/edu-all.css
@@ -5,7 +5,7 @@
     margin-top: 16px;
     float: left;
     width: 97px;}
-.head-nav{float: left;width: 780px;text-align: center;height: 60px;box-sizing: border-box;  min-width: 400px;}
+.head-nav{float: left;width: 830px;text-align: center;height: 60px;box-sizing: border-box;  min-width: 400px;}
 .head-nav ul#header-nav{position: absolute;top: 0px;z-index: 3;height: 60px;box-sizing: border-box;}
 .head-nav ul#header-nav li{float: left;height: 60px;line-height: 60px;margin-right: 30px;cursor: pointer;position: relative;font-size: 16px}
 .head-nav ul#header-nav li a{display: block;height: 100%;width: 100%;color: #fff}
diff --git a/public/react/src/modules/login/LoginDialog.js b/public/react/src/modules/login/LoginDialog.js
index 50038366d..2db1929b9 100644
--- a/public/react/src/modules/login/LoginDialog.js
+++ b/public/react/src/modules/login/LoginDialog.js
@@ -360,7 +360,7 @@ class LoginDialog extends Component {
 
             if(response.status===200){
                 if (response.data.status === 402) {
-                    window.location.href = response.data.url;
+                    // window.location.href = response.data.url;
                 }else if (response.data.status === -2) {
 									notification.open({
 										message: '提示',
diff --git a/public/react/src/modules/user/LoginRegisterComponent.js b/public/react/src/modules/user/LoginRegisterComponent.js
index ebb099b2e..ff03b11ea 100644
--- a/public/react/src/modules/user/LoginRegisterComponent.js
+++ b/public/react/src/modules/user/LoginRegisterComponent.js
@@ -362,6 +362,9 @@ class LoginRegisterComponent extends Component {
                     if(weekArray===null){
                         weekArray="/";
                     }
+                    if(weekArray==="null"){
+                        weekArray="/";
+                    }
                     window.location.href = weekArray;
                 }
             }
diff --git a/public/react/src/modules/user/Notcompletedysl.js b/public/react/src/modules/user/Notcompletedysl.js
index 5f180af48..e50d162a6 100644
--- a/public/react/src/modules/user/Notcompletedysl.js
+++ b/public/react/src/modules/user/Notcompletedysl.js
@@ -40,6 +40,9 @@ class Notcompletedysl extends Component {
 		if(weekArray===null){
 			weekArray="/";
 		}
+		if(weekArray==="null"){
+			weekArray="/";
+		}
 		window.location.href = weekArray;
 	}
 
diff --git a/public/stylesheets/educoder/edu-all.css b/public/stylesheets/educoder/edu-all.css
index 0b2ebc103..c5831dad4 100644
--- a/public/stylesheets/educoder/edu-all.css
+++ b/public/stylesheets/educoder/edu-all.css
@@ -5,7 +5,7 @@
     margin-top: 16px;
     float: left;
     width: 97px;}
-.head-nav{float: left;width: 780px;text-align: center;height: 60px;box-sizing: border-box;  min-width: 400px;}
+.head-nav{float: left;width:830px;text-align: center;height: 60px;box-sizing: border-box;  min-width: 400px;}
 .head-nav ul#header-nav{position: absolute;top: 0px;z-index: 3;height: 60px;box-sizing: border-box;}
 .head-nav ul#header-nav li{float: left;height: 60px;line-height: 60px;margin-right: 30px;cursor: pointer;position: relative;font-size: 16px}
 .head-nav ul#header-nav li a{display: block;height: 100%;width: 100%;color: #fff}