diff --git a/app/controllers/accounts_controller.rb b/app/controllers/accounts_controller.rb
index 889fc8b97..01e9bc7bf 100644
--- a/app/controllers/accounts_controller.rb
+++ b/app/controllers/accounts_controller.rb
@@ -13,6 +13,7 @@ class AccountsController < ApplicationController
     ActiveRecord::Base.transaction do 
       result = auto_update(current_user, simple_update_params)
       if result[:message].blank?
+        UserAction.create(:action_id => current_user.id, :action_type => "sync_educoder_user", :user_id => current_user.id, :ip => request.remote_ip) if params[:platform] == "educoder"
         render_ok
       else
         render_error(result[:message])
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 6cf505a6d..f292f9a70 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -759,10 +759,11 @@ class UsersController < ApplicationController
     password = "12345678"
 
     # 没有用户时，新建用户并登录
-    user = User.where("login = ?  or phone = ? or mail = ? ", "#{login}", phone, email).first
+    user = phone.present? ? User.find_by(phone: phone) : nil
+    user = User.where("login = ?  or phone = ? or mail = ? ", "#{login}", phone, email).first if user.nil?
     if user.present?
       # 手机号先记录，后续用
-      user.update_column(:phone, "#{phone}") if phone.present?
+      user.update_column(:phone, "#{phone}") if phone.present? && user.phone.blank?
     else
       ActiveRecord::Base.transaction do
         email = "#{login}@gitlink.org.cn" if email.blank?
diff --git a/app/views/users/get_user_info.json.jbuilder b/app/views/users/get_user_info.json.jbuilder
index f2793b0f0..021c9a752 100644
--- a/app/views/users/get_user_info.json.jbuilder
+++ b/app/views/users/get_user_info.json.jbuilder
@@ -26,7 +26,7 @@ json.super_description @user.super_description
 json.(@user, :show_email, :show_department, :show_location, :show_super_description)
 json.message_unread_total @message_unread_total
 json.has_trace_user @user.trace_user.present?
-json.is_new @user.login.present? && params[:login].to_s.include?("#{@user.login}")
+json.is_new params[:login].present? && (UserAction.where(action_type: "sync_educoder_user", user_id: @user.id).blank? || @user.mail.include?("@gitlink.org.cn") || @user.mail.include?("@forge.com"))
 json.nps EduSetting.get("nps-on-off-switch").to_s == 'true' && UserNp.where(user_id: current_user.id).where("created_at >= ?", (Time.now - 30.days).beginning_of_day ).blank?
 json.open_blockchain EduSetting.get("open_blockchain_users").to_s.split(",").include?(@user.id.to_s) || EduSetting.get("open_blockchain_users").to_s.split(",").include?(@user.login)
 json.sign_cla @user.sign_cla
diff --git a/db/migrate/20230530141227_add_user_action_index.rb b/db/migrate/20230530141227_add_user_action_index.rb
new file mode 100644
index 000000000..2d76bd478
--- /dev/null
+++ b/db/migrate/20230530141227_add_user_action_index.rb
@@ -0,0 +1,7 @@
+class AddUserActionIndex < ActiveRecord::Migration[5.2]
+  def change
+    add_index :user_actions, :user_id
+    add_index :user_actions, :action_type
+    add_index :user_actions, :action_id
+  end
+end