diff --git a/app/api/mobile/apis/cnmooc.rb b/app/api/mobile/apis/cnmooc.rb
index 026581cd..1f37af91 100644
--- a/app/api/mobile/apis/cnmooc.rb
+++ b/app/api/mobile/apis/cnmooc.rb
@@ -31,7 +31,6 @@ module Mobile
         desc "创建用户"
         params do
           requires :userName, type: String, desc: "好大学用户名"
-          optional :name, type: String, desc: "用户姓名"
         end
         post "create_user" do
           CnmoocsService.new.create_user params
diff --git a/app/services/cnmoocs_service.rb b/app/services/cnmoocs_service.rb
index a7605110..52514a67 100644
--- a/app/services/cnmoocs_service.rb
+++ b/app/services/cnmoocs_service.rb
@@ -79,11 +79,12 @@ class CnmoocsService
 
     mail = params[:email] || c_user.generate_email
     name = params[:name] || "好大学_#{params[:userName]}"
+    login =  generate_login('m')
     create_params = {
       lastname: name,
       mail: mail,
       mail_notification: mail,
-      login: generate_login('m'),
+      login: login,
       password: OauthController::DEFAULT_PASSWORD,
       certification: 1
     }