diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 0c8aaf2c9..fdda05dee 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -1,7 +1,8 @@
 class ProjectsController < ApplicationController
   include ApplicationHelper
   include OperateProjectAbilityAble
-  before_action :require_login, except: %i[index branches group_type_list]
+  include ProjectsHelper
+  before_action :require_login, except: %i[index branches group_type_list simple]
   before_action :find_project_with_id, only: %i[show branches update destroy fork_users praise_users watch_users]
   before_action :authorizate_user_can_edit_project!, only: %i[update]
   before_action :project_public?, only: %i[fork_users praise_users watch_user]
@@ -98,6 +99,12 @@ class ProjectsController < ApplicationController
     @fork_users = paginate(fork_users)
   end
 
+  def simple
+    project = Project.includes(:owner).select(:id, :name, :identifier, :user_id).find params[:id]
+
+    json_response(project)
+  end
+
   private
   def project_params
     params.permit(:user_id, :name, :description, :repository_name,
diff --git a/app/controllers/pull_requests_controller.rb b/app/controllers/pull_requests_controller.rb
index b961f9f02..a4d802e09 100644
--- a/app/controllers/pull_requests_controller.rb
+++ b/app/controllers/pull_requests_controller.rb
@@ -2,15 +2,15 @@ class PullRequestsController < ApplicationController
   before_action :require_login, except: [:index, :show]
   before_action :find_project_with_id
   before_action :set_repository
-  before_action :find_pull_request, except: [:index, :new, :create, :check_can_merge]
-  before_action :get_relatived, only: [:new, :edit]
+  before_action :find_pull_request, except: [:index, :new, :create, :check_can_merge,:get_branches,:create_merge_infos]
+  # before_action :get_relatived, only: [:edit]
   include TagChosenHelper
   include ApplicationHelper
 
 
   def index
     # @issues = Gitea::PullRequest::ListService.new(@user,@repository.try(:identifier)).call   #通过gitea获取
-    issues = @project.issues.issue_pull_request.issue_index_includes.includes(:pull_request)
+    issues = @project.issues.issue_pull_request.issue_index_includes.includes(pull_request: :user)
     issues = issues.where(is_private: false) unless current_user.present? && (current_user.admin? || @project.member?(current_user))
     @all_issues_size = issues.size
     @open_issues_size = issues.joins(:pull_request).where(pull_requests: {status: 0}).size
@@ -24,15 +24,28 @@ class PullRequestsController < ApplicationController
   end
 
   def new
-    @all_branches = []
-    get_all_branches = Gitea::Repository::Branches::ListService.new(@user, @repository.try(:identifier)).call
-    if get_all_branches && get_all_branches.size > 0
-      get_all_branches.each do |b|
-        @all_branches.push(b["name"])
-      end
+    @all_branches = PullRequests::BranchesService.new(@user, @project).call
+    @is_fork = @project.forked_from_project_id.present?
+    @projects_names = [{
+      project_name: "#{@user.try(:show_real_name)}/#{@repository.try(:identifier)}",
+      project_id: @project.id
+    }]
+    @merge_projects = @projects_names
+    fork_project = @project.fork_project if @is_fork
+    if fork_project.present?
+      @merge_projects.push({
+        project_name: "#{fork_project.owner.try(:show_real_name)}/#{fork_project.repository.try(:identifier)}",
+        project_id: fork_project.id
+      })
     end
   end
 
+  def get_branches
+    branch_result = PullRequests::BranchesService.new(@user, @project).call
+    render json: branch_result
+    # return json: branch_result
+  end
+
   def create
     if params[:title].nil?
       normal_status(-1, "名称不能为空")
@@ -81,6 +94,8 @@ class PullRequestsController < ApplicationController
   end
 
   def edit
+    @fork_project_user = @project&.fork_project&.owner.try(:show_real_name)
+    @fork_project_identifier = @project&.fork_project&.repository.try(:identifier)
     
   end
 
@@ -102,7 +117,7 @@ class PullRequestsController < ApplicationController
           end
 
           if @issue.update_attributes(@issue_params)
-            if @pull_request.update_attributes(@local_params)
+            if @pull_request.update_attributes(@local_params.compact)
               gitea_request = Gitea::PullRequest::UpdateService.new(current_user, @repository.try(:identifier), @requests_params, @pull_request.try(:gpid)).call
               if gitea_request
                 if params[:issue_tag_ids].present?
@@ -143,6 +158,10 @@ class PullRequestsController < ApplicationController
     end
   end
 
+  def create_merge_infos
+    get_relatived
+  end
+
   def show
     @user_permission = current_user.present? && current_user.logged? && (@issue.assigned_to_id == current_user.id || current_user.admin? )
     @issue_user = @issue.user
@@ -237,7 +256,9 @@ class PullRequestsController < ApplicationController
       assignee: current_user.try(:login),
       assignees: ["#{params[:assigned_login].to_s}"],
       labels: params[:issue_tag_ids],
-      due_date: Time.now
+      due_date: Time.now,
+      fork_project_id: params[:fork_project_id],
+      is_original: params[:is_original]
     })
     @issue_params = {
       author_id: current_user.id,
diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index f37a8e759..5143fcda8 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -8,14 +8,11 @@ class RepositoriesController < ApplicationController
   before_action :find_repository_by_id, only: %i[commit sync_mirror tags]
   before_action :authorizate_user_can_edit_repo!, only: %i[sync_mirror]
   before_action :get_ref, only: %i[entries sub_entries]
-  before_action :get_latest_commit, :get_ref, only: %i[entries sub_entries]
+  before_action :get_statistics, only: %i[entries sub_entries]
 
   def show
     @user = current_user
-    @branches_count = Gitea::Repository::Branches::ListService.new(@project.owner, @project.identifier).call&.size
-    @commits_count = Gitea::Repository::Commits::ListService.new(@project.owner.login, @project.identifier,
-      sha: params[:sha], page: params[:page], limit: params[:limit], token: current_user&.gitea_token).call[:total_count]
-    @tags_count = Gitea::Repository::Tags::ListService.new(current_user&.gitea_token, @project.owner.login, @project.identifier).call&.size
+    @repo = @project.repository
     @result = Gitea::Repository::GetService.new(@project.owner, @project.identifier).call
     @project_fork_id = @project.try(:forked_from_project_id)
     if @project_fork_id.present?
@@ -96,11 +93,13 @@ class RepositoriesController < ApplicationController
   end
 
   def repo_hook
-    
+
   end
 
   def sync_mirror
-    @repo&.mirror.set_status!(Mirror.statuses[:waiting])
+    return render_error("正在镜像中..") if  @repo.mirror.warning?
+
+    @repo.sync_mirror!
     SyncMirroredRepositoryJob.perform_later(@repo.id, current_user.id)
     render_ok
   end
@@ -124,9 +123,17 @@ class RepositoriesController < ApplicationController
 
   # TODO 获取最新commit信息
   def get_latest_commit
-    @latest_commit = Gitea::Repository::Commits::ListService.new(@project.owner.login, @project.identifier,
+    Gitea::Repository::Commits::ListService.new(@project.owner.login, @project.identifier,
       sha: get_ref, page: 1, limit: 1, token: current_user&.gitea_token).call
-    @latest_commit = @latest_commit.blank? ? nil : @latest_commit[:body][0]
+  end
+
+  def get_statistics
+    @branches_count = Gitea::Repository::Branches::ListService.new(@project.owner, @project.identifier).call&.size
+    @tags_count = Gitea::Repository::Tags::ListService.new(current_user&.gitea_token, @project.owner.login, @project.identifier).call&.size
+
+    latest_commit = get_latest_commit
+    @latest_commit = latest_commit[:body][0]
+    @commits_count = latest_commit[:total_count]
   end
 
   def get_ref
diff --git a/app/helpers/projects_helper.rb b/app/helpers/projects_helper.rb
index b9cd457e3..7079ae936 100644
--- a/app/helpers/projects_helper.rb
+++ b/app/helpers/projects_helper.rb
@@ -27,4 +27,18 @@ module ProjectsHelper
   def find_user_by_login_or_mail(identifier)
     (User.find_by_login identifier) || (User.find_by_mail identifier)
   end
+
+  def json_response(project)
+    json = {
+      identifier: project.identifier,
+      name: project.name,
+      id: project.id,
+      author: {
+        login: project.owner.login,
+        name: project.owner.real_name,
+        image_url: url_to_avatar(project.owner)
+      }
+    }
+    render json: json
+  end
 end
diff --git a/app/models/mirror.rb b/app/models/mirror.rb
index 7ce4651ae..f5737b0f3 100644
--- a/app/models/mirror.rb
+++ b/app/models/mirror.rb
@@ -1,7 +1,7 @@
 class Mirror < ApplicationRecord
 
   #  0 - succeeded, 1 - waiting, 2 - failed
-  # 0: 同步镜像成功；1: 正在同步镜像；2: 同步失败，默认值为0
+  # 0: 同步镜像成功；1: 正在同步镜像；2: 同步失败; 默认值为0
   enum status: { succeeded: 0, waiting: 1, failed: 2 }
 
   belongs_to :repository, foreign_key: :repo_id
diff --git a/app/models/project.rb b/app/models/project.rb
index 09f1705be..1d6fd0327 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -158,4 +158,8 @@ class Project < ApplicationRecord
     member&.roles&.last&.name || permission
   end
 
+  def fork_project 
+    Project.find_by(id: self.forked_from_project_id)
+  end
+
 end
diff --git a/app/models/repository.rb b/app/models/repository.rb
index 0cd5ed511..6d20afce5 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -15,4 +15,22 @@ class Repository < ApplicationRecord
   def set_mirror!
     self.build_mirror(status: Mirror.statuses[:waiting]).save
   end
+
+  def mirror_status
+    self&.mirror&.numerical_for_status
+  end
+
+  def mirror_num
+    self&.mirror&.sync_num
+  end
+
+  def first_sync?
+    self&.mirror&.sync_num === 1
+  end
+
+  def sync_mirror!
+    repo_mirror = self.mirror
+    repo_mirror.set_status!(Mirror.statuses[:waiting])
+    repo_mirror.increment!(:sync_num)
+  end
 end
diff --git a/app/services/gitea/pull_request/create_service.rb b/app/services/gitea/pull_request/create_service.rb
index c3a83d1b9..3cf8dde0a 100644
--- a/app/services/gitea/pull_request/create_service.rb
+++ b/app/services/gitea/pull_request/create_service.rb
@@ -1,16 +1,33 @@
-
 class Gitea::PullRequest::CreateService < Gitea::ClientService
   attr_reader :token, :user, :repo, :params
 
-  # params ex:
-  # {
-  # 	title: 'pull request title',
-  # 	body: 'pull request content',
-  # 	head: 'develop', // from branch 源分支
-  # 	base: 'master'   // to branch 目标分支
-  # }
-  # 以上列子说明从develop分支合并到master分支
-  # repo: 仓库名称
+  # 同一个项目下发送pr例子，如下：
+  # 参数说明：
+  #   user: 项目拥有者
+  #   repo： 项目名称
+  #   params:
+  #   {
+  # 	 title: 'pull request title',
+  # 	 body: 'pull request content',
+  # 	 head: 'develop', // from branch 源分支， 格式：branch
+  # 	 base: 'master'   // to branch 目标分支
+  #   }
+  #  以上列子说明从develop分支合并到master分支
+  #  Gitea::PullRequest::CreateService.call('token', '项目拥有者', '项目名称', params)
+
+  # fork的项目，向源项目发送pr例子，如下：
+  # 参数说明：
+  #   user：源项目拥有者
+  #   repo：源项目仓库名称
+  #   params:
+  #   {
+  #     "base": "develop", // to branch 目标分支
+  #     "head": "jasder:master", // from branch 源分支，格式：username:branch
+  #     "body": "像源项目发送pr",
+  #     "title": "jasder用户向源项目发送pr"
+  #   }
+  #  以上例子说明：jasder用户fork的项目master分支向源项目的develop分支发送pr
+  #  Gitea::PullRequest::CreateService.call('token', '源项目拥有者', '源项目名称', params)
   def initialize(token, user, repo, params={})
     @token = token
     @user   = user
@@ -19,13 +36,11 @@ class Gitea::PullRequest::CreateService < Gitea::ClientService
   end
 
   def call
-    Rails.logger.info("######_____pr_url______#########{url}")
     post(url, request_params)
   end
 
   private
 
-
   def url
     "/repos/#{@user.login}/#{@repo}/pulls".freeze
   end
diff --git a/app/services/pull_requests/branches_service.rb b/app/services/pull_requests/branches_service.rb
new file mode 100644
index 000000000..117f17729
--- /dev/null
+++ b/app/services/pull_requests/branches_service.rb
@@ -0,0 +1,34 @@
+class PullRequests::BranchesService < ApplicationService
+
+  attr_reader :user, :project
+
+  def initialize(user, project)
+    @user = user
+    @project = project
+  end
+
+  def call
+    all_branches = []
+    user_name = user.try(:show_real_name)
+    identifier = project.repository.try(:identifier)
+    get_all_branches = Gitea::Repository::Branches::ListService.new(user, identifier).call
+    all_branches = branch_lists(user_name,user.try(:login), identifier, get_all_branches) if get_all_branches && get_all_branches.size > 0
+    return all_branches
+  end
+
+  def branch_lists(user_name,user_login, identifier, branches)
+    branches_array = []
+    branches.each do |b|
+      branch_params = {
+        user_name: user_name,
+        user_login: user_login,
+        identifier: identifier,
+        name: b["name"],
+        can_merge: b["user_can_merge"],
+      }
+      branches_array.push(branch_params)
+    end
+    return branches_array
+  end
+
+end
\ No newline at end of file
diff --git a/app/services/repositories/migrate_service.rb b/app/services/repositories/migrate_service.rb
index dad7e3930..e2f520aeb 100644
--- a/app/services/repositories/migrate_service.rb
+++ b/app/services/repositories/migrate_service.rb
@@ -10,7 +10,7 @@ class Repositories::MigrateService < ApplicationService
   def call
     @repository = Repository.new(repository_params)
     if @repository.save!
-      @repository.set_mirror! if wrapper_mirror
+      @repository.set_mirror!
       MigrateRemoteRepositoryJob.perform_later(@repository.id, user.gitea_token, gitea_repository_params)
     end
     @repository
diff --git a/app/views/pull_requests/create_merge_infos.json.jbuilder b/app/views/pull_requests/create_merge_infos.json.jbuilder
new file mode 100644
index 000000000..1df3b7e97
--- /dev/null
+++ b/app/views/pull_requests/create_merge_infos.json.jbuilder
@@ -0,0 +1,2 @@
+json.partial! "commons/success"
+json.partial! "pull_requests/merge_item"
\ No newline at end of file
diff --git a/app/views/pull_requests/edit.json.jbuilder b/app/views/pull_requests/edit.json.jbuilder
index 373c88cd4..aad5c26b0 100644
--- a/app/views/pull_requests/edit.json.jbuilder
+++ b/app/views/pull_requests/edit.json.jbuilder
@@ -1,5 +1,9 @@
 json.partial! "commons/success"
-json.partial! "pull_requests/merge_item"
-json.extract! @pull_request, :id, :title, :body, :milestone,:head,:base
+# json.partial! "pull_requests/merge_item"
+json.fork_project_user @fork_project_user
+json.fork_project_identifier @fork_project_identifier
+json.project_author @project.owner.try(:show_real_name)
+json.project_name @project.repository.try(:identifier)
+json.extract! @pull_request, :id, :title, :body, :milestone,:head,:base,:is_original
 json.extract! @issue, :assigned_to_id, :fixed_version_id, :priority_id
 json.issue_tag_ids @issue.issue_tags_value.split(",")
diff --git a/app/views/pull_requests/index.json.jbuilder b/app/views/pull_requests/index.json.jbuilder
index 34b84dbff..5b46c77e3 100644
--- a/app/views/pull_requests/index.json.jbuilder
+++ b/app/views/pull_requests/index.json.jbuilder
@@ -16,6 +16,9 @@ json.issues do
     json.pull_request_head pr.head 
     json.pull_request_base pr.base
     json.pull_request_staus pr.status == 1 ? "merged" : (pr.status == 2 ? "closed" : "open")
+    json.is_original pr.is_original
+    json.fork_project_id pr.fork_project_id
+    json.pull_request_user pr.user.try(:show_real_name)
 
     json.id issue.id
     json.name issue.subject
diff --git a/app/views/pull_requests/new.json.jbuilder b/app/views/pull_requests/new.json.jbuilder
index b2ab0c150..ab0e87135 100644
--- a/app/views/pull_requests/new.json.jbuilder
+++ b/app/views/pull_requests/new.json.jbuilder
@@ -1,3 +1,7 @@
 json.partial! "commons/success"
-json.partial! "pull_requests/merge_item"
+json.project_id @project.id
 json.branches @all_branches
+json.is_fork @is_fork
+json.projects_names @projects_names
+json.merge_projects @merge_projects
+# json.merge_branches @merge_branches
\ No newline at end of file
diff --git a/app/views/pull_requests/show.json.jbuilder b/app/views/pull_requests/show.json.jbuilder
index 31dec7d86..a294b91c3 100644
--- a/app/views/pull_requests/show.json.jbuilder
+++ b/app/views/pull_requests/show.json.jbuilder
@@ -1,9 +1,11 @@
 json.partial! "commons/success"
 json.project_name @project.name
 json.pr_time time_from_now(@pull_request.updated_at)
+
 json.pull_request do
-  json.extract! @pull_request, :id,:base, :head, :status
+  json.extract! @pull_request, :id,:base, :head, :status,:fork_project_id, :is_original
   json.pull_request_staus @pull_request.status == 1 ? "merged" : (@pull_request.status == 2 ? "closed" : "open")
+  json.pull_request_user @pull_request.user.try(:show_real_name)
 end
 
 json.issue do
diff --git a/app/views/repositories/entries.json.jbuilder b/app/views/repositories/entries.json.jbuilder
index b246de32f..7c7b5ef70 100644
--- a/app/views/repositories/entries.json.jbuilder
+++ b/app/views/repositories/entries.json.jbuilder
@@ -5,6 +5,9 @@ json.last_commit do
     json.nil!
   end
 end
+json.tags_count @tags_count
+json.branches_count @branches_count
+json.commits_count @commits_count
 json.zip_url render_zip_url(@project, @ref)
 json.tar_url render_tar_url(@project, @ref)
 json.entries do
diff --git a/app/views/repositories/show.json.jbuilder b/app/views/repositories/show.json.jbuilder
index d01d842e7..eecd37524 100644
--- a/app/views/repositories/show.json.jbuilder
+++ b/app/views/repositories/show.json.jbuilder
@@ -1,7 +1,7 @@
 json.identifier @project.identifier
 json.name @project.name
 json.project_id @project.id
-json.repo_id @project.repository.id
+json.repo_id @repo.id
 json.issues_count @project.issues_count.to_i - @project.pull_requests_count.to_i
 json.pull_requests_count @project.pull_requests_count
 json.project_identifier @project.identifier
@@ -12,14 +12,17 @@ json.versions_count @project.versions_count  #里程碑数量
 json.version_releases_count @project.releases_size(@user.try(:id), "all")
 json.version_releasesed_count @project.releases_size(@user.try(:id), "released")  #已发行的版本
 json.contributor_users_count @project.contributor_users
-json.issue_tags_count @tags_count
-json.branches_count @branches_count
-json.commits_count @commits_count
 json.permission  @project.get_premission(@user)
 json.mirror_url @project&.repository.mirror_url
 json.mirror @project&.repository.mirror_url.present?
 json.type @project.numerical_for_project_type
-json.mirror_status @project.repository&.mirror&.numerical_for_status if @project.sync_mirror?
+
+unless @project.common?
+  json.mirror_status @repo.mirror_status
+  json.mirror_num @repo.mirror_num
+  json.first_sync @repo.first_sync?
+end
+
 json.watched @project.watched_by? @user
 json.praised @project.praised_by? @user
 json.status @project.status
@@ -32,12 +35,14 @@ json.fork_info do
   end
 end
 
-json.size replace_bytes_to_b(number_to_human_size(@result['size'].to_i*1024))
-json.ssh_url @result['ssh_url']
-json.clone_url @result['clone_url']
-json.default_branch @result['default_branch']
-json.empty @result['empty']
-json.full_name @result['full_name']
+if @result
+  json.size replace_bytes_to_b(number_to_human_size(@result['size'].to_i*1024))
+  json.ssh_url @result['ssh_url']
+  json.clone_url @result['clone_url']
+  json.default_branch @result['default_branch']
+  json.empty @result['empty']
+  json.full_name @result['full_name']
+  json.private @result['private']
+end
 
-json.private @result['private']
 json.partial! 'author', locals: { user: @project.owner }
diff --git a/app/views/repositories/sub_entries.json.jbuilder b/app/views/repositories/sub_entries.json.jbuilder
index 4ac253465..43dbf764e 100644
--- a/app/views/repositories/sub_entries.json.jbuilder
+++ b/app/views/repositories/sub_entries.json.jbuilder
@@ -6,6 +6,9 @@ json.last_commit do
     json.nil!
   end
 end
+json.tags_count @tags_count
+json.branches_count @branches_count
+json.commits_count @commits_count
 json.entries do
   json.array! @sub_entries do |entry|
     json.partial! 'repositories/simple_entry', locals: { entry: entry }
diff --git a/config/routes.rb b/config/routes.rb
index 974bef32d..f371cba6e 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -32,8 +32,8 @@ Rails.application.routes.draw do
     delete 'commons/delete',      to: 'commons#delete'
 
     resources :issues, except: [:index, :new,:create, :update, :edit, :destroy] do
-      resources :journals, only: [:index, :create, :destroy, :edit, :update] do 
-        member do 
+      resources :journals, only: [:index, :create, :destroy, :edit, :update] do
+        member do
           get :get_children_journals
         end
       end
@@ -69,6 +69,8 @@ Rails.application.routes.draw do
         end
         collection do
           post :check_can_merge
+          get :create_merge_infos
+          get :get_branches
         end
       end
       resources :version_releases, only: [:index,:new, :create, :edit, :update, :destroy]
@@ -118,6 +120,7 @@ Rails.application.routes.draw do
         get :watch_users
         get :praise_users
         get :fork_users
+        get :simple
       end
     end
 
diff --git a/db/migrate/20200629020618_add_sync_num_to_mirrors.rb b/db/migrate/20200629020618_add_sync_num_to_mirrors.rb
new file mode 100644
index 000000000..2e80687f9
--- /dev/null
+++ b/db/migrate/20200629020618_add_sync_num_to_mirrors.rb
@@ -0,0 +1,5 @@
+class AddSyncNumToMirrors < ActiveRecord::Migration[5.2]
+  def change
+    add_column :mirrors, :sync_num, :integer, default: 1
+  end
+end
diff --git a/db/migrate/20200629081111_add_origin_project_id_to_pull_request.rb b/db/migrate/20200629081111_add_origin_project_id_to_pull_request.rb
new file mode 100644
index 000000000..fa02f66ae
--- /dev/null
+++ b/db/migrate/20200629081111_add_origin_project_id_to_pull_request.rb
@@ -0,0 +1,6 @@
+class AddOriginProjectIdToPullRequest < ActiveRecord::Migration[5.2]
+  def change
+    add_column :pull_requests, :fork_project_id, :integer 
+    add_column :pull_requests, :is_original, :boolean, default: false
+  end
+end