diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 06e5dac30..1c26ec07e 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -177,6 +177,22 @@ class ApplicationController < ActionController::Base
     end
   end
 
+  def logged_user_by_apptoken
+    #从手机端传来apptoken则将当前登陆用户变为对应的用户
+    if params[:apptoken]
+      token = ApiKey.where(access_token: params[:apptoken]).first
+      if token && !token.expired?
+        @current_user = User.find(token.user_id)
+      end
+      unless @current_user.nil?
+        self.logged_user = @current_user
+        if @current_user
+          @current_user.update_column(:last_login_on, Time.now)
+        end
+      end
+    end
+  end
+
   # Logs out current user
   def logout_user
     if User.current.logged?
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 8fae547c4..9b66c047f 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -17,6 +17,7 @@ class CoursesController < ApplicationController
   menu_item l(:label_sort_by_influence), :only => :index
 
   before_filter :can_show_course, :except => []
+  before_filter :logged_user_by_apptoken,:only => [:show,:new_homework,:feedback]
   before_filter :find_course, :except => [ :index, :search,:list, :new,:join,:unjoin, :create, :copy, :statistics, :new_join, :course, :enterprise_course, :course_enterprise,:view_homework_attaches,:join_private_courses]
   before_filter :authorize_course, :only => [:show, :settings, :edit, :update, :modules, :close, :reopen, :view_homework_attaches, :course]
   before_filter :authorize_course_global, :only => [:view_homework_attaches, :new,:create]
diff --git a/app/controllers/homework_attach_controller.rb b/app/controllers/homework_attach_controller.rb
index 2c943e778..ba7e92467 100644
--- a/app/controllers/homework_attach_controller.rb
+++ b/app/controllers/homework_attach_controller.rb
@@ -6,7 +6,7 @@ class HomeworkAttachController < ApplicationController
   ###############################
   before_filter :can_show_course,except: []
   #判断当前角色权限时需先找到当前操作的project
-  before_filter :find_course_by_bid_id, :only => [:new]
+  before_filter :logged_user_by_apptoken,:find_course_by_bid_id, :only => [:new]
   before_filter :find_bid_and_course,:only => [:get_not_batch_homework,:get_batch_homeworks,:get_homeworks,:get_homework_jours, :get_student_batch_homework, :get_my_homework]
   before_filter :find_course_by_hoemwork_id, :only => [:edit,:update,:destroy,:show,:add_homework_users,:destory_homework_users, :praise_homework]
   #判断当前角色是否有操作权限
diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index 48c08e2fc..e6171bf81 100644
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -19,6 +19,7 @@ class UsersController < ApplicationController
   layout :setting_layout
   #Added by young
   before_filter :auth_login1, :only => [:show, :user_activities, :user_newfeedback]
+  before_filter :logged_user_by_apptoken, :only => [:show,:user_newfeedback]
   menu_item :activity
   menu_item :user_information, :only => :info
   menu_item :user_course, :only => :user_courses