diff --git a/app/services/oauth/create_or_find_qq_account_service.rb b/app/services/oauth/create_or_find_qq_account_service.rb
index 91117cf2e..c258993bd 100644
--- a/app/services/oauth/create_or_find_qq_account_service.rb
+++ b/app/services/oauth/create_or_find_qq_account_service.rb
@@ -16,7 +16,7 @@ class Oauth::CreateOrFindQqAccountService < ApplicationService
     if user.blank? || !user.logged?
       new_user = true
       # 新用户
-      login = User.generate_login('q')
+      login = User.generate_login('Q')
       @user = User.new(login: login, nickname: params.dig('info', 'nickname'), type: 'User', status: User::STATUS_ACTIVE)
     end