diff --git a/Gemfile b/Gemfile
index e37371108..4f0f76fcd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -139,4 +139,4 @@ gem 'doorkeeper'
 
 gem 'doorkeeper-jwt'
 
-gem 'gitea-client', '~> 0.11.1'
\ No newline at end of file
+gem 'gitea-client', '~> 0.11.6'
\ No newline at end of file
diff --git a/app/controllers/api/v1/projects/branches_controller.rb b/app/controllers/api/v1/projects/branches_controller.rb
index bc4919616..0c89f6012 100644
--- a/app/controllers/api/v1/projects/branches_controller.rb
+++ b/app/controllers/api/v1/projects/branches_controller.rb
@@ -1,16 +1,40 @@
 class Api::V1::Projects::BranchesController < Api::V1::BaseController 
-  before_action :require_public_and_member_above, only: [:all] 
+  before_action :require_public_and_member_above, only: [:index, :all] 
+
+  def index 
+    @result_object = Api::V1::Projects::Branches::ListService.call(@project, {name: params[:keyword], page: page, limit: limit}, current_user&.gitea_token)
+  end
 
   def all 
     @result_object = Api::V1::Projects::Branches::AllListService.call(@project, current_user&.gitea_token)
   end
 
-  before_action :require_operate_above, only: [:create] 
+  before_action :require_operate_above, only: [:create, :destroy] 
 
   def create 
     @result_object = Api::V1::Projects::Branches::CreateService.call(@project, branch_params, current_user&.gitea_token)
   end
 
+  def destroy 
+    @result_object = Api::V1::Projects::Branches::DeleteService.call(@project, params[:name], current_user&.gitea_token)
+    if @result_object 
+      return render_ok 
+    else
+      return render_error('删除分支失败!') 
+    end
+  end
+
+  before_action :require_manager_above, only: [:update_default_branch] 
+
+  def update_default_branch 
+    @result_object = Api::V1::Projects::Branches::UpdateDefaultBranchService.call(@project, params[:name], current_user&.gitea_token)
+    if @result_object
+      return render_ok 
+    else
+      return render_error('更新默认分支失败!') 
+    end
+  end
+
   private 
   def branch_params 
     params.require(:branch).permit(:new_branch_name, :old_branch_name)
diff --git a/app/controllers/api/v1/projects/tags_controller.rb b/app/controllers/api/v1/projects/tags_controller.rb
new file mode 100644
index 000000000..06c3b1c8e
--- /dev/null
+++ b/app/controllers/api/v1/projects/tags_controller.rb
@@ -0,0 +1,19 @@
+class Api::V1::Projects::TagsController < Api::V1::BaseController 
+  before_action :require_public_and_member_above, only: [:index] 
+
+  def index 
+    @release_tags = @repository.version_releases.pluck(:tag_name)
+    @result_object = Api::V1::Projects::Tags::ListService.call(@project, {page: page, limit: limit}, current_user&.gitea_token)
+  end
+
+  before_action :require_operate_above, only: [:destroy] 
+
+  def destroy 
+    @result_object = Api::V1::Projects::Tags::DeleteService.call(@project, params[:name], current_user&.gitea_token)
+    if @result_object 
+      return render_ok 
+    else
+      return render_error('删除标签失败!') 
+    end
+  end
+end
\ No newline at end of file
diff --git a/app/controllers/concerns/api/project_helper.rb b/app/controllers/concerns/api/project_helper.rb
index 52967e784..44cac08c7 100644
--- a/app/controllers/concerns/api/project_helper.rb
+++ b/app/controllers/concerns/api/project_helper.rb
@@ -6,7 +6,8 @@ module Api::ProjectHelper
     repo = params[:repo]
 
     @project, @owner = Project.find_with_namespace(namespace, repo)
-
+    @repository = @project&.repository
+    
     if @project
       logger.info "###########：project founded"
 			@project
diff --git a/app/services/api/v1/projects/branches/create_service.rb b/app/services/api/v1/projects/branches/create_service.rb
index 2837dfcf4..eae3779f8 100644
--- a/app/services/api/v1/projects/branches/create_service.rb
+++ b/app/services/api/v1/projects/branches/create_service.rb
@@ -18,7 +18,7 @@ class Api::V1::Projects::Branches::CreateService < ApplicationService
   def call 
     raise Error, errors.full_messages.join(",") unless valid?
 
-    check_new_branch_exist
+    check_branch_exist
     excute_data_to_gitea
     
     gitea_data
@@ -43,9 +43,10 @@ class Api::V1::Projects::Branches::CreateService < ApplicationService
     raise Error, '创建分支失败！' unless @gitea_data.is_a?(Hash)
   end
 
-  def check_new_branch_exist
+  def check_branch_exist
     result = $gitea_client.get_repos_branch_name_set_by_owner_repo(owner, repo, {query: request_params}) rescue nil
     raise Error, '查询分支名称失败！' unless result.is_a?(Hash)
-    raise Error, '分支已存在！' if result['branch_name'].include?(@new_branch_name)
+    raise Error, '旧分支不存在！' if !result['branch_name'].include?(@old_branch_name)
+    raise Error, '新分支已存在！' if result['branch_name'].include?(@new_branch_name)
   end
 end
\ No newline at end of file
diff --git a/app/services/api/v1/projects/branches/delete_service.rb b/app/services/api/v1/projects/branches/delete_service.rb
new file mode 100644
index 000000000..79a6ba0db
--- /dev/null
+++ b/app/services/api/v1/projects/branches/delete_service.rb
@@ -0,0 +1,47 @@
+class Api::V1::Projects::Branches::DeleteService < ApplicationService 
+  include ActiveModel::Model
+
+  attr_accessor :project, :token, :owner, :repo, :branch_name
+  attr_accessor :gitea_data
+
+  validates :branch_name, presence: true
+
+  def initialize(project, branch_name, token=nil)
+    @project = project 
+    @owner = project&.owner.login 
+    @repo = project&.identifier
+    @branch_name = branch_name
+    @token = token 
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(",") unless valid?
+
+    check_branch_exist
+    excute_data_to_gitea
+    
+    true
+  end
+
+  private 
+  def request_params 
+    {
+      access_token: token 
+    }
+  end
+
+  def excute_data_to_gitea 
+    begin
+      @gitea_data = $gitea_client.delete_repos_branches_by_owner_repo_branch(owner, repo, branch_name, {query: request_params}) 
+    rescue => e
+      raise Error, '保护分支无法删除！' if e.to_s.include?("branch protected")
+      raise Error, '删除分支失败！'
+    end
+  end
+
+  def check_branch_exist
+    result = $gitea_client.get_repos_branch_name_set_by_owner_repo(owner, repo, {query: request_params}) rescue nil
+    raise Error, '查询分支名称失败！' unless result.is_a?(Hash)
+    raise Error, '分支不存在！' if !result['branch_name'].include?(@branch_name)
+  end
+end
\ No newline at end of file
diff --git a/app/services/api/v1/projects/branches/list_service.rb b/app/services/api/v1/projects/branches/list_service.rb
new file mode 100644
index 000000000..e5c6fe442
--- /dev/null
+++ b/app/services/api/v1/projects/branches/list_service.rb
@@ -0,0 +1,40 @@
+class Api::V1::Projects::Branches::ListService < ApplicationService 
+
+  attr_accessor :project, :token, :owner, :repo, :name, :page, :limit
+  attr_accessor :gitea_data
+
+  def initialize(project, params, token=nil)
+    @project = project 
+    @owner = project&.owner.login 
+    @repo = project&.identifier 
+    @token = token 
+    @name = params[:name] 
+    @page = params[:page] 
+    @limit = params[:limit]
+  end
+
+  def call 
+    load_gitea_data
+    
+    gitea_data
+  end
+
+  private 
+  def request_params 
+    params = {
+      access_token: token,
+      page: page, 
+      limit: limit
+    }
+    params.merge!({name: name}) if name.present? 
+
+    params
+  end
+
+  def load_gitea_data 
+    puts request_params
+    @gitea_data = $gitea_client.get_repos_branches_by_owner_repo(owner, repo, {query: request_params}) rescue nil
+    puts @gitea_data
+    raise Error, '获取分支列表失败！' unless @gitea_data.is_a?(Hash)
+  end
+end
\ No newline at end of file
diff --git a/app/services/api/v1/projects/branches/update_default_branch_service.rb b/app/services/api/v1/projects/branches/update_default_branch_service.rb
new file mode 100644
index 000000000..5c220aa5d
--- /dev/null
+++ b/app/services/api/v1/projects/branches/update_default_branch_service.rb
@@ -0,0 +1,55 @@
+class Api::V1::Projects::Branches::UpdateDefaultBranchService < ApplicationService 
+  include ActiveModel::Model
+
+  attr_accessor :project, :token, :owner, :repo, :new_default_branch
+  attr_accessor :gitea_data
+
+  validates :new_default_branch, presence: true
+
+  def initialize(project, new_default_branch, token=nil)
+    @project = project 
+    @owner = project&.owner.login 
+    @repo = project&.identifier
+    @new_default_branch = new_default_branch
+    @token = token 
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(",") unless valid?
+
+    check_branch_exist
+    update_project
+    excute_data_to_gitea
+    
+    gitea_data
+  end
+
+  private 
+  def request_params 
+    {
+      access_token: token 
+    }
+  end
+
+  def request_body 
+    {
+      default_branch: new_default_branch
+    }
+  end
+
+  def update_project 
+    @project.attributes = request_body
+    raise Error, '更新默认分支失败！' unless @project.save
+  end
+
+  def excute_data_to_gitea 
+    @gitea_data = $gitea_client.patch_repos_by_owner_repo(owner, repo, {body: request_body.to_json, query: request_params}) rescue nil
+    raise Error, '更新默认分支失败！' unless @gitea_data.is_a?(Hash)
+  end
+
+  def check_branch_exist
+    result = $gitea_client.get_repos_branch_name_set_by_owner_repo(owner, repo, {query: request_params}) rescue nil
+    raise Error, '查询分支名称失败！' unless result.is_a?(Hash)
+    raise Error, '新默认分支不存在！' if !result['branch_name'].include?(@new_default_branch)
+  end
+end
\ No newline at end of file
diff --git a/app/services/api/v1/projects/tags/delete_service.rb b/app/services/api/v1/projects/tags/delete_service.rb
new file mode 100644
index 000000000..492898b53
--- /dev/null
+++ b/app/services/api/v1/projects/tags/delete_service.rb
@@ -0,0 +1,47 @@
+class Api::V1::Projects::Tags::DeleteService < ApplicationService 
+  include ActiveModel::Model
+
+  attr_accessor :project, :token, :owner, :repo, :tag_name
+  attr_accessor :gitea_data
+
+  validates :tag_name, presence: true
+
+  def initialize(project, tag_name, token=nil)
+    @project = project 
+    @owner = project&.owner.login 
+    @repo = project&.identifier
+    @tag_name = tag_name
+    @token = token 
+  end
+
+  def call 
+    raise Error, errors.full_messages.join(",") unless valid?
+
+    check_tag_exist
+    excute_data_to_gitea
+    
+    true
+  end
+
+  private 
+  def request_params 
+    {
+      access_token: token 
+    }
+  end
+
+  def excute_data_to_gitea 
+    begin 
+      @gitea_data = $gitea_client.delete_repos_tags_by_owner_repo_tag(owner, repo, tag_name, {query: request_params})
+    rescue => e
+      raise Error, '请先删除发行版！' if e.to_s.include?("409")
+      raise Error, '删除标签失败！'
+    end
+  end
+
+  def check_tag_exist
+    result = $gitea_client.get_repos_tag_name_set_by_owner_repo(owner, repo, {query: request_params}) rescue nil
+    raise Error, '查询标签名称失败！' unless result.is_a?(Array)
+    raise Error, '标签不存在！' if !result.include?(@tag_name)
+  end
+end
\ No newline at end of file
diff --git a/app/services/api/v1/projects/tags/list_service.rb b/app/services/api/v1/projects/tags/list_service.rb
new file mode 100644
index 000000000..a7743fe00
--- /dev/null
+++ b/app/services/api/v1/projects/tags/list_service.rb
@@ -0,0 +1,36 @@
+class Api::V1::Projects::Tags::ListService < ApplicationService 
+
+  attr_accessor :project, :token, :owner, :repo, :page, :limit
+  attr_accessor :gitea_data
+
+  def initialize(project, params, token=nil)
+    @project = project 
+    @owner = project&.owner.login 
+    @repo = project&.identifier 
+    @token = token 
+    @page = params[:page] 
+    @limit = params[:limit]
+  end
+
+  def call 
+    load_gitea_data
+    
+    gitea_data
+  end
+
+  private 
+  def request_params 
+    params = {
+      access_token: token,
+      page: page, 
+      limit: limit
+    }
+
+    params
+  end
+
+  def load_gitea_data 
+    @gitea_data = $gitea_client.get_repos_tags_by_owner_repo(owner, repo, {query: request_params}) rescue nil
+    raise Error, '获取标签列表失败！' unless @gitea_data.is_a?(Hash)
+  end
+end
\ No newline at end of file
diff --git a/app/views/api/v1/projects/branches/_simple_gitea_detail.json.jbuilder b/app/views/api/v1/projects/branches/_simple_gitea_detail.json.jbuilder
index 70fac8238..6a35b782e 100644
--- a/app/views/api/v1/projects/branches/_simple_gitea_detail.json.jbuilder
+++ b/app/views/api/v1/projects/branches/_simple_gitea_detail.json.jbuilder
@@ -18,7 +18,7 @@ json.protected branch['protected']
 json.user_can_push branch['user_can_push']
 json.user_can_merge branch['user_can_merge']
 json.commit_id branch['commit_id']
-json.commit_time_from_now time_from_now(branch['commit_time'].to_time)
+json.commit_time_from_now time_from_now(branch['commit']['timestamp'].to_time)
 json.commit_time branch['commit_time']
 json.default_branch branch['default_branch']
 json.http_url render_http_url(@project)
diff --git a/app/views/api/v1/projects/branches/index.json.jbuilder b/app/views/api/v1/projects/branches/index.json.jbuilder
new file mode 100644
index 000000000..cfb9bb647
--- /dev/null
+++ b/app/views/api/v1/projects/branches/index.json.jbuilder
@@ -0,0 +1,4 @@
+json.total_count @result_object[:total_data].to_i 
+json.branches @result_object[:data].each do |branch| 
+  json.partial! "api/v1/projects/branches/simple_gitea_detail", branch: branch
+end
\ No newline at end of file
diff --git a/app/views/api/v1/projects/tags/_simple_gitea_index_detail.json.jbuilder b/app/views/api/v1/projects/tags/_simple_gitea_index_detail.json.jbuilder
new file mode 100644
index 000000000..b8ba28f85
--- /dev/null
+++ b/app/views/api/v1/projects/tags/_simple_gitea_index_detail.json.jbuilder
@@ -0,0 +1,26 @@
+if tag.present? && tag.is_a?(Hash)
+  json.name tag['name']
+  json.id tag['id']
+  json.zipball_url render_zip_url(@owner, @repository, tag['name'])
+  json.tarball_url render_tar_url(@owner, @repository, tag['name'])
+  json.tagger do 
+    json.partial! 'api/v1/users/commit_user', user: render_cache_commit_author(tag['tagger']), name: tag['tagger']['name']
+  end
+  json.time_ago time_from_now(tag['tagger']['date'].to_time)
+  json.created_at_unix tag['tagger']['date'].to_time.to_i
+  json.message tag['message']
+  json.commit do
+    json.sha tag['commit']['sha']
+    json.message tag['commit']['message']
+    json.time_ago time_from_now(tag['commit']['commiter']['date'].to_time)
+    json.created_at_unix tag['commit']['commiter']['date'].to_time.to_i
+    json.committer do 
+      json.partial! 'api/v1/users/commit_user', user: render_cache_commit_author(tag['commit']['commiter']), name: tag['commit']['commiter']['name']
+    end
+    json.author do 
+      json.partial! 'api/v1/users/commit_user', user: render_cache_commit_author(tag['commit']['author']), name: tag['commit']['author']['name']
+    end
+  end
+else 
+  json.name tag
+end
\ No newline at end of file
diff --git a/app/views/api/v1/projects/tags/index.json.jbuilder b/app/views/api/v1/projects/tags/index.json.jbuilder
new file mode 100644
index 000000000..207289041
--- /dev/null
+++ b/app/views/api/v1/projects/tags/index.json.jbuilder
@@ -0,0 +1,5 @@
+json.total_count @result_object[:total_data].to_i 
+json.tags @result_object[:data].each do |tag| 
+  json.partial! "api/v1/projects/tags/simple_gitea_index_detail", tag: tag
+  json.has_release @release_tags.blank? ? false : @release_tags.include?(tag['name'])
+end
\ No newline at end of file
diff --git a/config/routes/api.rb b/config/routes/api.rb
index 19531526e..f86aae83e 100644
--- a/config/routes/api.rb
+++ b/config/routes/api.rb
@@ -46,11 +46,17 @@ defaults format: :json do
                 get :hooktasks 
               end
             end
-            resources :branches, only:[:index, :create] do 
+            resources :branches, param: :name, only:[:index, :create, :destroy] do 
               collection do 
-                get :all 
+                get :all
+                patch :update_default_branch
               end
             end
+            match 'branches/*name', to: "branches#destroy", via: :all
+
+            resources :tags, param: :name, only: [:index, :destroy]
+            match 'tags/*name', to: "tags#destroy", via: :all
+
             resources :commits, only: [:index]
             resources :code_stats, only: [:index]
             get '/commits/:sha/diff', to: 'commits#diff'