diff --git a/app/api/mobile/api.rb b/app/api/mobile/api.rb
index 548793f3e..64016458e 100644
--- a/app/api/mobile/api.rb
+++ b/app/api/mobile/api.rb
@@ -27,6 +27,7 @@ module Mobile
     mount Apis::Auth
     mount Apis::Users
     mount Apis::Courses
+    mount Apis::Watches
 
     add_swagger_documentation ({api_version: 'v1', base_path: '/api'})
   end
diff --git a/app/api/mobile/apis/auth.rb b/app/api/mobile/apis/auth.rb
index 136e5b171..ae233a853 100644
--- a/app/api/mobile/apis/auth.rb
+++ b/app/api/mobile/apis/auth.rb
@@ -30,6 +30,7 @@ module Mobile
 
         desc "用户登出"
         params do
+          requires :token, type: String
         end
         delete do
           authenticate!
diff --git a/app/api/mobile/apis/courses.rb b/app/api/mobile/apis/courses.rb
index 1084e8cbc..9aeea5176 100644
--- a/app/api/mobile/apis/courses.rb
+++ b/app/api/mobile/apis/courses.rb
@@ -2,11 +2,11 @@ module Mobile
   module Apis
     class Courses < Grape::API
       resource :courses do
-        desc "get all courses"
+        desc "获取所有课程"
         params do
-          optional :school_id, type: Integer, desc: 'school number'
-          requires :per_page_count, type: Integer
-          requires :page, type: Integer, desc: 'current page no'
+          optional :school_id, type: Integer, desc: '传入学校id,返回该学校课程列表'
+          requires :per_page_count, type: Integer, desc: '每页总数'
+          requires :page, type: Integer, desc: '当前页码'
         end
         get do
           cs = CoursesService.new
@@ -15,7 +15,7 @@ module Mobile
           present :status, 0
         end
 
-        desc "Return a course"
+        desc "返回单个课程"
         params do
           requires :id, type: Integer
         end
diff --git a/app/api/mobile/apis/users.rb b/app/api/mobile/apis/users.rb
index 5dc25d401..d05809726 100644
--- a/app/api/mobile/apis/users.rb
+++ b/app/api/mobile/apis/users.rb
@@ -2,12 +2,8 @@ module Mobile
   module Apis
     class Users < Grape::API
       resource :users do
-        desc "get all users"
-        get do
-          ['hello']
-        end
 
-        desc "add a user"
+        desc "注册用户"
         params do
           requires :login, type: String, desc: 'username'
           requires :mail, type: String, desc: 'mail'
@@ -27,8 +23,9 @@ module Mobile
         end
 
 
-        desc "modify user"
+        desc "修改用户"
         params do
+          requires :token, type: String
           #optional :file, type: File, desc: 'avatar'
           optional :occupation, type: String
           optional :brief_introduction, type: String
diff --git a/app/api/mobile/apis/watches.rb b/app/api/mobile/apis/watches.rb
new file mode 100644
index 000000000..0715ff4a2
--- /dev/null
+++ b/app/api/mobile/apis/watches.rb
@@ -0,0 +1,53 @@
+module Mobile
+  module Apis
+    class Watches < Grape::API
+      resource :watches do
+
+        desc "获取所有关注"
+        params do
+          requires :token, type: String
+        end
+        get do
+          authenticate!
+          ws = UsersService.new
+          ws.user_watcher(id: current_user.id)
+        end
+
+
+        desc "关注某人"
+        params do
+          requires :token, type: String
+          requires :object_id, type: Integer, desc: '关注的用户的id'
+        end
+        post do
+          authenticate!
+          ws = WatchesService.new
+          begin
+            o = ws.watch(params.merge({current_user_id:current_user.id, object_type:'user' }) )
+            {status:0 , data: o}
+          rescue =>e
+            {status:1, message: e.message}
+          end
+        end
+
+
+        desc "取消关注"
+        params do
+          requires :token, type: String
+          requires :object_id, type: Integer, desc: '取消关注的用户的id'
+        end
+        delete do
+          authenticate!
+          ws = WatchesService.new
+          begin
+            ws.unwatch(params.merge({current_user_id:current_user.id, object_type:'user' }) )
+            {status:0}
+          rescue =>e
+            {status:1, message: e.message}
+          end
+        end
+
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/watchers_controller.rb b/app/controllers/watchers_controller.rb
index 096e44f06..f6d01a03d 100644
--- a/app/controllers/watchers_controller.rb
+++ b/app/controllers/watchers_controller.rb
@@ -17,7 +17,7 @@
 class WatchersController < ApplicationController
   before_filter :require_login#, :find_watchables, :only => [:watch, :unwatch]
   def watch
-    s = Service.new
+    s = WatchesService.new
     watchables = s.watch params.merge(:current_user_id => User.current.id)
     respond_to do |format|
       format.html { redirect_to_referer_or {render :text => (true ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
@@ -33,7 +33,7 @@ class WatchersController < ApplicationController
   end
 
   def unwatch
-    s = Service.new
+    s = WatchesService.new
     watchables = s.unwatch  params.merge(:current_user_id => User.current.id)
     respond_to do |format|
       format.html { redirect_to_referer_or {render :text => (false ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
diff --git a/app/services/service.rb b/app/services/watches_service.rb
similarity index 96%
rename from app/services/service.rb
rename to app/services/watches_service.rb
index 413d9bfb8..2b9bed3cd 100644
--- a/app/services/service.rb
+++ b/app/services/watches_service.rb
@@ -1,4 +1,4 @@
-class Service
+class WatchesService
   def watch params
     @current_user = User.find(params[:current_user_id])
     @watchables = find_watchables params