diff --git a/app/controllers/organizations/team_users_controller.rb b/app/controllers/organizations/team_users_controller.rb
index 7a71dbbad..b6c4ed29d 100644
--- a/app/controllers/organizations/team_users_controller.rb
+++ b/app/controllers/organizations/team_users_controller.rb
@@ -1,8 +1,8 @@
 class Organizations::TeamUsersController < Organizations::BaseController
   before_action :load_organization, :load_team
-  before_action :load_operate_user, only: [:create, :destroy]
+  before_action :load_operate_user, only: [:create, :destroy, :check_user]
   before_action :check_user_profile_completed, only: [:create]
-  before_action :load_team_user, only: [:destroy]
+  before_action :load_team_user, only: [:destroy, :check_user]
   before_action :check_user_can_edit_org, only: [:create, :destroy]
 
   def index
@@ -14,6 +14,10 @@ class Organizations::TeamUsersController < Organizations::BaseController
     @team_users = kaminari_paginate(@team_users)
   end
 
+  def pm_check_user
+    render_ok
+  end
+
   def create
     ActiveRecord::Base.transaction do
       @team_user = TeamUser.build(@organization.id, @operate_user.id, @team.id)
diff --git a/app/models/issue.rb b/app/models/issue.rb
index eae5acf6f..4420ed18e 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -51,7 +51,7 @@
 
 class Issue < ApplicationRecord
   #issue_type 1为普通，2为悬赏
-  belongs_to :project, counter_cache: true, touch: true
+  belongs_to :project, counter_cache: true, touch: true, optional: true
   belongs_to :tracker,optional: true
   has_many :project_trends, as: :trend, dependent: :destroy
   has_one :pull_request
diff --git a/config/routes.rb b/config/routes.rb
index cc10bd987..07cc9d6ed 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -156,6 +156,7 @@ Rails.application.routes.draw do
           resources :team_users, only: [:index, :create, :destroy] do
             collection do
               delete :quit
+              get :pm_check_user
             end
           end
           resources :team_projects, only: [:index, :create, :destroy] do