diff --git a/app/controllers/concerns/register_helper.rb b/app/controllers/concerns/register_helper.rb
index d77a33584..9d2f420a0 100644
--- a/app/controllers/concerns/register_helper.rb
+++ b/app/controllers/concerns/register_helper.rb
@@ -31,7 +31,7 @@ module RegisterHelper
     result
   end
 
-  def autosync_register_trustie(username, password, email)
+  def autosync_register_trustie(username, password, email, lastname="")
     config = Rails.application.config_for(:configuration).symbolize_keys!
 
     api_host = config[:sync_url]
@@ -42,8 +42,9 @@ module RegisterHelper
     sync_json = {
       "mail": email,
       "password": password,
-      "login": username
-    }
+      "login": username,
+      "lastname": lastname
+    }.compact
     uri = URI.parse(url)
 
     if api_host
diff --git a/app/controllers/oauth_controller.rb b/app/controllers/oauth_controller.rb
index 5da9297a6..cf43dbe6f 100644
--- a/app/controllers/oauth_controller.rb
+++ b/app/controllers/oauth_controller.rb
@@ -61,6 +61,7 @@ class OauthController < ApplicationController
     login = params[:login]
     email = params[:mail]
     password = params[:password]
+    lastname = params[:lastname]
     callback_url =  params[:callback_url]
     platform = params[:plathform] || 'educoder'
 
@@ -72,7 +73,9 @@ class OauthController < ApplicationController
       if result[:message].blank?
         logger.info "[Oauth educoer] ====auto_register success"
         user = User.find result[:user][:id]
+        user.update_column(:lastname, params[:lastname])
         successful_authentication(user)
+        autosync_register_trustie(login, password, email, lastname)
         OpenUsers::Educoder.create!(user: user, uid: user.login)
 
         render json: { callback_url: callback_url }
diff --git a/app/views/oauth/register.html.erb b/app/views/oauth/register.html.erb
index 96778fa06..391f04661 100644
--- a/app/views/oauth/register.html.erb
+++ b/app/views/oauth/register.html.erb
@@ -5,10 +5,15 @@
     <%= form_tag('', method: :post, id: 'oauth_form',  class: 'form-inline search-form flex-1', remote: true) do %>
       <%= hidden_field_tag 'callback_url', params[:callback_url] %>
       <div class="indexInfo">
-        <span>用户名：</span>
-        <%= text_field_tag :login, params[:login], placeholder: '请输入用户名', readonly: true, id: 'login' %>
+        <span>登录名：</span>
+        <%= text_field_tag :login, params[:login], placeholder: '请输入登录名', readonly: true, id: 'login' %>
         <p class="checkInfo loginCheck"><span></span></p>
       </div>
+      <div class="indexInfo">
+        <span>用户名称：</span>
+        <%= text_field_tag :lastname, params[:lastname], placeholder: '登录平台后显示的用户名称', readonly: true, id: 'lastname' %>
+        <p class="checkInfo lastnameCheck"><span></span></p>
+      </div>
       <div class="indexInfo">
         <span>邮箱：</span>
         <%= text_field_tag :mail, params[:mail], placeholder: '请输入绑定邮箱', maxlength: 40, id: 'email' %>
@@ -16,7 +21,7 @@
       </div>
       <div class="indexInfo">
         <span>密码：</span>
-        <%= password_field_tag :password, '', placeholder: '请输入账号密码', id: 'password'  %>
+        <%= password_field_tag :password, '', placeholder: '输入EduCoder账号密码或新的密码', id: 'password'  %>
         <p class="checkInfo passwordCheck"><span></span></p>
       </div>
       <div class="indexBtn">
@@ -29,6 +34,7 @@
   function submitdata(){
     var login = $("#login").val();
     var email = $("#email").val();
+    var lastname = $("#lastname").val();
     var password = $("#password").val();
 
     if(!login){
@@ -37,6 +43,12 @@
     }else{
       $(".loginCheck span").html("");
     }
+    if(!lastname){
+      $(".lastnameCheck span").html("请输入用户名称");
+      return;
+    }else{
+      $(".lastnameCheck span").html("");
+    }
     if(!email){
       $(".emailCheck span").html("请输入绑定的邮箱");
       return;