diff --git a/app/services/cnmoocs_service.rb b/app/services/cnmoocs_service.rb
index fbb8d55c..40f75a8c 100644
--- a/app/services/cnmoocs_service.rb
+++ b/app/services/cnmoocs_service.rb
@@ -37,9 +37,9 @@ class CnmoocsService
   def find_user params
     user = User.find_by_mail params[:mail]
     if user
-      {error: 0, message: "找到用户"}
+      {error: 0, messages: "找到用户"}
     else
-      {error: -1, message: "找不到用户"}
+      {error: -1, messages: "找不到用户"}
     end
   end
 
@@ -55,16 +55,21 @@ class CnmoocsService
         user.save!
         UserExtensions.create!(user_id: user.id, school_id: School.first.id, identity: 4, gender: 0)
       end
-      {error: 0, message: "创建成功"}
+      {error: 0, messages: "创建成功"}
     else
-      {error: -1, message: "邮箱已经存在，请直接使用邮箱登录"}
+      {error: -1, messages: "邮箱已经存在，请直接使用邮箱登录"}
     end
   end
 
   def login_educoder params
     user, last_login_on = User.try_to_login(params[:mail], params[:password])
-    self.logged_user = user
-    {error: 0, message: "登录成功"}
+    if user
+      self.logged_user = user
+      {error: 0, messages: "登录成功"}
+    else
+      {error: -1, messages: "登录失败，请检查邮箱和密码是否正确"}
+    end
+
   end