diff --git a/app/services/cnmoocs_service.rb b/app/services/cnmoocs_service.rb
index 3a68055d..a7605110 100644
--- a/app/services/cnmoocs_service.rb
+++ b/app/services/cnmoocs_service.rb
@@ -153,4 +153,10 @@ class CnmoocsService
     end
     {resouces: shixun_list}
   end
+
+  # 为新创建的用户随机生成以m为前缀的用户名，m表示该用户是用邮箱注册
+  def generate_login(login_pre)
+    us = UsersService.new
+    us.generate_user_login(login_pre)
+  end
 end
\ No newline at end of file