diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 843be8bbb..57b9e45ef 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -328,7 +328,7 @@ class ApplicationController < ActionController::Base
 
 	def current_user
 		# User.current
-		User.find_by_id 36390
+		User.find_by_id 36401
 	end
 
 	## 默认输出json
@@ -629,12 +629,12 @@ class ApplicationController < ActionController::Base
 
 	def find_user
 		@user = User.find_by_login params[:login]
-    render_not_found unless @user
+    render_not_found("未找到’#{params[:login]}’相关的用户") unless @user
 	end
 
 	def find_repository
 		@repo = @user.repositories.find_by_identifier params[:repo_identifier]
-    render_not_found unless @repo
+    render_not_found("未找到’#{params[:repo_identifier]}’相关的项目") unless @repo
 	end
 
   private
diff --git a/app/controllers/contents_controller.rb b/app/controllers/contents_controller.rb
index 151470524..411747f45 100644
--- a/app/controllers/contents_controller.rb
+++ b/app/controllers/contents_controller.rb
@@ -1,26 +1,32 @@
 class ContentsController < ApplicationController
   before_action :find_user, :find_repository
-  before_action :require_login, only: %i[create]
+  before_action :require_login, only: %i[create update_file delete_file]
 
   def create
-    # request_params = {user: @user, repo_name: @repo.identifier, filepath: params[:filepath]}
-    logger.info "current_user ----> #{current_user.login}"
-    @user =  current_user
-    interactor = Gitea::CreateFileInteractor.call(@user, content_params)
+    interactor = Gitea::CreateFileInteractor.call(current_user, content_params)
     if interactor.success?
       @file = interactor.result
-      logger.info "@file ========> #{@file}"
     else
       render_error(interactor.error)
     end
   end
 
   def update_file
-
+    interactor = Gitea::UpdateFileInteractor.call(current_user, params)
+    if interactor.success?
+      @file = interactor.result
+    else
+      render_error(interactor.error)
+    end
   end
 
   def delete_file
-
+    interactor = Gitea::DeleteFileInteractor.call(current_user, params)
+    if interactor.success?
+      @file = interactor.result
+    else
+      render_error(interactor.error)
+    end
   end
 
   private
diff --git a/app/forms/contents/delete_form.rb b/app/forms/contents/delete_form.rb
new file mode 100644
index 000000000..f3f060ab6
--- /dev/null
+++ b/app/forms/contents/delete_form.rb
@@ -0,0 +1,6 @@
+class Contents::DeleteForm < BaseForm
+  attr_accessor :login, :repo_identifier, :filepath, :branch, :new_branch, :sha
+
+  validates :login, :repo_identifier, :filepath, :sha, presence: true
+
+end
diff --git a/app/forms/contents/update_form.rb b/app/forms/contents/update_form.rb
new file mode 100644
index 000000000..f5b4a2480
--- /dev/null
+++ b/app/forms/contents/update_form.rb
@@ -0,0 +1,13 @@
+class Contents::UpdateForm < BaseForm
+  attr_accessor :login, :repo_identifier, :filepath, :branch, :new_branch, :sha
+
+  validates :login, :repo_identifier, :filepath, :sha, presence: true
+
+  validate :check_branch
+
+  def check_branch
+    raise "branch和new_branch必须存在一个 " if branch.blank? && new_branch.blank?
+    raise "branch和new_branch只能存在一个" if !branch.blank? && !new_branch.blank?
+  end
+
+end
diff --git a/app/interactors/gitea/delete_file_interactor.rb b/app/interactors/gitea/delete_file_interactor.rb
new file mode 100644
index 000000000..255ce6d97
--- /dev/null
+++ b/app/interactors/gitea/delete_file_interactor.rb
@@ -0,0 +1,65 @@
+module Gitea
+  class DeleteFileInteractor
+    def self.call(user, params={})
+      interactor = new(user, params)
+      interactor.run
+      interactor
+    end
+
+    attr_reader :error, :result
+
+    def initialize(user, params)
+      @user   = user
+      @params = params
+    end
+
+    def success?
+      @error.nil?
+    end
+
+    def result
+      @result
+    end
+
+    def run
+      Contents::DeleteForm.new(valid_params).validate!
+      response = Gitea::Repository::Entries::DeleteService.new(user, @params[:repo_identifier], @params[:filepath], file_params).call
+      render_result(response)
+    rescue Exception => exception
+      fail!(exception.message)
+    end
+
+    private
+
+    attr_reader :params, :user
+
+    def fail!(error)
+      puts "[exception]: error"
+      @error = error
+    end
+
+    def render_result(response)
+      if response.status == 200
+        @result = JSON.parse(response.body)
+      end
+    end
+
+    def valid_params
+      {
+        login: @params[:login],
+        repo_identifier: @params[:repo_identifier],
+        filepath: @params[:filepath],
+        sha: @params[:sha]
+      }
+    end
+
+    def file_params
+      Hash.new.merge(
+        branch: @params[:branch],
+        sha: @params[:sha],
+        new_branch: @params[:new_branch],
+        message: @params[:message],
+      ).compact
+    end
+  end
+end
diff --git a/app/interactors/gitea/update_file_interactor.rb b/app/interactors/gitea/update_file_interactor.rb
new file mode 100644
index 000000000..814bc0cc7
--- /dev/null
+++ b/app/interactors/gitea/update_file_interactor.rb
@@ -0,0 +1,69 @@
+module Gitea
+  class UpdateFileInteractor
+    def self.call(user, params={})
+      interactor = new(user, params)
+      interactor.run
+      interactor
+    end
+
+    attr_reader :error, :result
+
+    def initialize(user, params)
+      @user   = user
+      @params = params
+    end
+
+    def success?
+      @error.nil?
+    end
+
+    def result
+      @result
+    end
+
+    def run
+      Contents::UpdateForm.new(valid_params).validate!
+      response = Gitea::Repository::Entries::UpdateService.new(user, @params[:repo_identifier], @params[:filepath], file_params).call
+      render_result(response)
+    rescue Exception => exception
+      fail!(exception.message)
+    end
+
+    private
+
+    attr_reader :params, :user
+
+    def fail!(error)
+      puts "[exception]: error"
+      @error = error
+    end
+
+    def render_result(response)
+      if response.status == 200
+        @result = JSON.parse(response.body)
+      end
+    end
+
+    def valid_params
+      {
+        login: @params[:login],
+        repo_identifier: @params[:repo_identifier],
+        filepath: @params[:filepath],
+        branch: @params[:branch],
+        new_branch: @params[:new_branch],
+        sha: @params[:sha]
+      }
+    end
+
+    def file_params
+      Hash.new.merge(
+        branch: @params[:branch],
+        sha: @params[:sha],
+        new_branch: @params[:new_branch],
+        from_path: @params[:from_path],
+        message: @params[:message],
+        content: Base64.encode64(@params[:content])
+      ).compact
+    end
+  end
+end
diff --git a/app/services/gitea/api_service.rb b/app/services/gitea/api_service.rb
deleted file mode 100644
index a849ae6c5..000000000
--- a/app/services/gitea/api_service.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-class Gitea::APIService < ApplicationService
-
-  def self.render_status(response)
-    mark = " --from gitea platform."
-    case response.status
-    when 201
-      JSON.parse(response&.body)
-    when 401
-      raise Error, "401 Unauthorized from gitea #{mark}"
-    when 403, 422
-      body = JSON.parse(response&.body)
-      raise Error, body['message'] + mark
-    else
-      false
-    end
-  end
-
-  def self.base_url
-    Gitea.gitea_config[:base_url]
-  end
-
-  def self.domain
-    Gitea.gitea_config[:domain]
-  end
-
-  private
-
-  def logger
-    Rails.logger
-  end
-
-end
diff --git a/app/services/gitea/client_service.rb b/app/services/gitea/client_service.rb
index c5d7f8dfd..767754bf7 100644
--- a/app/services/gitea/client_service.rb
+++ b/app/services/gitea/client_service.rb
@@ -61,6 +61,14 @@ class Gitea::ClientService < ApplicationService
     render_status(response)
   end
 
+  def put(url, params={})
+    puts "[gitea] put request params: #{params}"
+    conn(authen_params(params[:token])).put do |req|
+      req.url full_url(url)
+      req.body = params[:data].to_json
+    end
+  end
+
   private
   def conn(auth={})
     username = auth[:username] || access_key_id
diff --git a/app/services/gitea/repository/entries/delete_service.rb b/app/services/gitea/repository/entries/delete_service.rb
new file mode 100644
index 000000000..cfc79a5b6
--- /dev/null
+++ b/app/services/gitea/repository/entries/delete_service.rb
@@ -0,0 +1,42 @@
+class Gitea::Repository::Entries::DeleteService < Gitea::ClientService
+  attr_reader :user, :repo_name, :filepath, :body
+
+  # ref: The name of the commit/branch/tag. Default the repository’s default branch (usually master)
+  # filepath: path of the dir, file, symlink or submodule in the repo
+  # repo_name: the name of repository
+  # body:
+  # {
+  #   "author": {
+  #     "email": "user@example.com",
+  #     "name": "string"
+  #   },
+  #   "branch": "string",
+  #   "committer": {
+  #     "email": "user@example.com",
+  #     "name": "string"
+  #   },
+  #   "message": "string",
+  #   "new_branch": "string",
+  #   "sha": "string", #require
+  # }
+  def initialize(user, repo_name, filepath, body)
+    @user      = user
+    @repo_name = repo_name
+    @filepath  = filepath
+    @body      = body
+  end
+
+  def call
+    delete(url, params)
+  end
+
+  private
+  def params
+    Hash.new.merge(token: user.gitea_token, data: body)
+  end
+
+  def url
+    "/repos/#{user.login}/#{repo_name}/contents/#{filepath}".freeze
+  end
+
+end
diff --git a/app/services/gitea/repository/entries/update_service.rb b/app/services/gitea/repository/entries/update_service.rb
new file mode 100644
index 000000000..3f0ddf944
--- /dev/null
+++ b/app/services/gitea/repository/entries/update_service.rb
@@ -0,0 +1,43 @@
+class Gitea::Repository::Entries::UpdateService < Gitea::ClientService
+  attr_reader :user, :repo_name, :filepath, :body
+
+  # ref: The name of the commit/branch/tag. Default the repository’s default branch (usually master)
+  # filepath: path of the dir, file, symlink or submodule in the repo
+  # repo_name: the name of repository
+  # body:
+  # {
+  #   "author": {
+  #     "email": "user@example.com",
+  #     "name": "string"
+  #   },
+  #   "branch": "string",
+  #   "committer": {
+  #     "email": "user@example.com",
+  #     "name": "string"
+  #   },
+  #   "content": "string", # content must be base64 encoded
+  #   "message": "string",
+  #   "new_branch": "string"
+  # }
+  #
+  def initialize(user, repo_name, filepath, body)
+    @user      = user
+    @repo_name = repo_name
+    @filepath  = filepath
+    @body      = body
+  end
+
+  def call
+    put(url, params)
+  end
+
+  private
+  def params
+    Hash.new.merge(token: user.gitea_token, data: body)
+  end
+
+  def url
+    "/repos/#{user.login}/#{repo_name}/contents/#{filepath}".freeze
+  end
+
+end
diff --git a/app/views/contents/delete_file.json.jbuilder b/app/views/contents/delete_file.json.jbuilder
new file mode 100644
index 000000000..988dd201c
--- /dev/null
+++ b/app/views/contents/delete_file.json.jbuilder
@@ -0,0 +1,6 @@
+json.commit do
+  json.sha @file['commit']['sha']
+  json.message @file['commit']['message']
+  json.author @file['commit']['author']
+  json.committer @file['commit']['committer']
+end
diff --git a/app/views/contents/update_file.json.jbuilder b/app/views/contents/update_file.json.jbuilder
new file mode 100644
index 000000000..3c842dcce
--- /dev/null
+++ b/app/views/contents/update_file.json.jbuilder
@@ -0,0 +1,10 @@
+json.name @file['content']['name']
+json.sha @file['content']['sha']
+json.size @file['content']['size']
+json.content @file['content']['content']
+json.encoding @file['content']['encoding']
+json.commit do
+  json.message @file['commit']['message']
+  json.author @file['commit']['author']
+  json.committer @file['commit']['committer']
+end
diff --git a/config/routes.rb b/config/routes.rb
index fbaae68ac..7926ff9a9 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -78,7 +78,7 @@ Rails.application.routes.draw do
     resources :repositories, path: '/:login/:repo_identifier', only: [:index] do
       collection do
         get :entries
-        get :sub_entries
+        match :sub_entries, :via => [:get, :put]
         get :commits
         get :single_commit
         post :files
@@ -419,266 +419,6 @@ Rails.application.routes.draw do
       end
     end
 
-    resources :courses do
-      member do
-        get 'settings', :action => 'settings', :as => 'settings'
-        post 'set_invite_code_halt'
-        post 'set_public_or_private'
-        post 'search_teacher_candidate'
-        post 'add_teacher'
-        post 'create_graduation_group'
-        post 'join_graduation_group'
-        post 'set_course_group'
-        post 'change_course_admin'
-        post 'change_member_role'
-        post 'change_course_teacher'
-        post 'delete_course_teacher'
-        post 'teacher_application_review'
-        post 'transfer_to_course_group'
-        post 'delete_from_course'
-        post 'add_students_by_search'
-        post 'create_group_by_importing_file'
-        post 'duplicate_course'
-        post 'visits_plus_one'
-        get 'get_historical_courses'
-        get 'get_historical_course_students'
-        get 'course_group_list'
-        get 'add_teacher_popup'
-        get 'teachers'
-        get 'apply_teachers'
-        get 'graduation_group_list'
-        get 'top_banner'
-        get 'left_banner'
-        get 'students'
-        get 'all_course_groups'
-        get 'search_users'
-        get 'base_info'
-        get 'attahcment_category_list'
-        get 'export_member_scores_excel'  #导出课堂信息
-        get 'export_couser_info'
-        get 'export_member_act_score'
-        post 'switch_to_teacher'
-        post 'switch_to_assistant'
-        post 'switch_to_student'
-        post 'exit_course'
-        get 'informs'
-        post 'update_informs'
-        post 'new_informs'
-        delete 'delete_informs'
-        get 'online_learning'
-        post 'join_excellent_course'
-        get 'tasks_list'
-        post 'update_task_position'
-        get 'course_groups'
-        post 'join_course_group'
-        get 'work_score'
-        get 'act_score'
-        get 'statistics'
-        post :inform_up
-        post :inform_down
-        get :calculate_all_shixun_scores
-      end
-
-      collection do
-        post 'apply_to_join_course'
-        post 'search_course_list'
-        get 'board_list'
-        get 'mine'
-        get 'search_slim'
-      end
-
-      resources :course_stages, shallow: true do
-        member do
-          post :up_position
-          post :down_position
-        end
-      end
-
-      resources :polls, only:[:index,:new,:create] do
-        collection do
-          post :publish   # 立即发布
-          post :end_poll  # 立即截止
-          post :destroys  # 多个删除
-          post :set_public  # 设置公开
-          post :join_poll_banks  # 加入习题集
-          get :my_polls  #我的问卷题库
-          get :public_polls # 公共问卷题库
-          get :publish_modal # 立即发布弹窗内容
-          get :end_poll_modal  # 立即截止弹窗内容
-        end
-      end
-
-      resources :homework_commons, shallow: true do
-
-        member do
-          get :group_list
-          post :homework_code_repeat
-          get :code_review_results
-          get :code_review_detail
-          post :update_explanation
-          get :show_comment
-          get :settings
-          post :update_settings
-          match 'works_list', :via => [:get, :post]
-          # post :works_list
-          get :reference_answer
-          get :publish_groups
-          get :end_groups
-          post :alter_name
-          get :update_score
-          get :update_student_score
-        end
-
-        collection do
-          post 'create_shixun_homework'
-          match 'shixuns', via: [:get, :post]
-          match 'subjects', via: [:get, :post]
-          post 'create_subject_homework'
-          post 'publish_homework'
-          post 'end_homework'
-          post 'set_public'
-          post 'move_to_category'
-          get 'choose_category'
-          post 'multi_destroy'
-          post 'add_to_homework_bank'
-        end
-
-        resources :student_works do
-          member do
-            get :shixun_work
-            get :shixun_work_report
-            post :adjust_review_score
-            get :commit_des
-            post :update_des
-            post :adjust_score
-            post :add_score
-            post :add_score_reply
-            delete :destroy_score
-            delete :destroy_score_reply
-            get :comment_list
-            get :supply_attachments
-            post :revise_attachment
-            delete :destroy_score
-            post :appeal_anonymous_score
-            post :deal_appeal_score
-            post :cancel_appeal
-            get :export_shixun_work_report
-            post :shixun_work_comment
-            delete :destroy_work_comment
-          end
-
-          collection do
-            get :search_member_list
-            get :check_project
-            get :cancel_relate_project
-            post :relate_project
-            delete :delete_work
-          end
-        end
-      end
-
-
-      resources :boards, shallow: true do
-        resources :messages do
-          collection do
-            delete :bulk_delete
-            put :bulk_move
-            post :bulk_send
-            put :bulk_public
-          end
-
-          member do
-            get :reply_list
-            put :sticky_top
-            post :reply
-          end
-        end
-        member do
-          post 'move_category'
-        end
-      end
-
-      resources :exercises ,only:[:index,:new,:create] do
-        collection do
-          get :my_exercises #我的试卷题库
-          get :public_exercises # 公共试卷题库
-          get :publish_modal # 立即发布弹窗内容
-          get :end_modal  # 立即截止弹窗内容
-          post :destroys
-          post :set_public  # 设置公开
-          post :join_exercise_banks  # 加入习题集
-          post :publish   # 立即发布
-          post :end_exercise  # 立即截止
-        end
-      end
-
-      resources :course_groups, shallow: true do
-        member do
-          post 'rename_group'
-          post 'move_category'
-        end
-
-        collection do
-        end
-      end
-
-      resources :graduation_topics do
-        member do
-          post :refuse_student_topic
-          post :accept_student_topic
-          post :student_select_topic
-          post :student_cancel_topic
-          get :show_detail
-          get :show_comment
-        end
-        collection do
-          delete :destroys
-          post :set_public
-          get :export
-          post :add_to_bank
-        end
-      end
-
-      resources :graduation_tasks, shallow: true do
-        resources :graduation_works do
-          collection do
-            post 'search_member_list'
-            get 'check_project'
-            post 'relate_project'
-            get 'cancel_relate_project'
-            post 'revise_attachment'
-            delete 'delete_work'
-          end
-
-          member do
-            get 'comment_list'
-            post 'add_score'
-            post 'adjust_score'
-            delete 'delete_score'
-            get 'supply_attachments'
-            post 'revise_attachment'
-            post :assign_teacher
-          end
-        end
-        member do
-          get 'settings'
-          post 'update_settings'
-          get 'tasks_list'
-          get :show_comment
-          get :cross_comment_setting
-          post :assign_works
-          post :commit_comment_setting
-        end
-
-        collection do
-          post 'set_public'
-          delete 'multi_destroy'
-          post 'publish_task'
-          post 'end_task'
-          post 'add_to_bank'
-        end
-      end
-    end
 
     resources :polls,except:[:index,:new,:create] do
       member do