diff --git a/app/controllers/api/v1/projects/branches_controller.rb b/app/controllers/api/v1/projects/branches_controller.rb
index 0c89f6012..40f44fea5 100644
--- a/app/controllers/api/v1/projects/branches_controller.rb
+++ b/app/controllers/api/v1/projects/branches_controller.rb
@@ -17,7 +17,16 @@ class Api::V1::Projects::BranchesController < Api::V1::BaseController
 
   def destroy 
     @result_object = Api::V1::Projects::Branches::DeleteService.call(@project, params[:name], current_user&.gitea_token)
-    if @result_object 
+    if @result_object
+      # 有开启的pr需要一同关闭
+      # 1、删除本仓库中存在未关闭的pr,即本仓库分支1->分支2
+      # 2、如果是fork仓库，考虑删除主仓库中存在未关闭的pr,即本仓库：分支1->主：分支2，同时分两种删除：1删除本仓库分支1，2删除主仓库分支2
+      close_pull_requests_by(@project, params[:name])
+      if @project.forked_from_project_id.present?
+        # fork项目中删除分支
+        close_pull_requests_by(@project.fork_project, params[:name])
+      end
+
       return render_ok 
     else
       return render_error('删除分支失败!') 
@@ -39,4 +48,19 @@ class Api::V1::Projects::BranchesController < Api::V1::BaseController
   def branch_params 
     params.require(:branch).permit(:new_branch_name, :old_branch_name)
   end
+
+  def close_pull_requests_by(project, branch_name)
+    open_pull_requests = project.pull_requests.opening.where(head: branch_name).or(project.pull_requests.opening.where(base: branch_name))
+    if open_pull_requests.present?
+      open_pull_requests.each do |pull_request|
+        closed = PullRequests::CloseService.call(project.owner, project.repository, pull_request, current_user)
+        if closed === true
+          pull_request.project_trends.create!(user: current_user, project: project,action_type: ProjectTrend::CLOSE)
+          # 合并请求下issue处理为关闭
+          pull_request.issue&.update_attributes!({status_id:5})
+          SendTemplateMessageJob.perform_later('PullRequestClosed', current_user.id, pull_request.id) if Site.has_notice_menu?
+        end
+      end
+    end
+  end
 end
\ No newline at end of file
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 179f1a30a..8981a0995 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -81,7 +81,7 @@ class ApplicationController < ActionController::Base
 	# 判断用户的邮箱或者手机是否可用
 	# params[:type] 1: 注册；2：忘记密码；3：绑定
 	def  check_mail_and_phone_valid login, type
-		unless login =~ /^[a-zA-Z0-9]+([._\\]*[a-zA-Z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+$/ || login =~ /^1\d{10}$/
+		unless login =~ /\A[a-zA-Z0-9]+([._\-\\]*[a-zA-Z0-9])*@([a-z0-9]+[-a-z0-9]*[a-z0-9]+.){1,63}[a-z0-9]+\z/ || login =~ /^1\d{10}$/
 			tip_exception(-2, "请输入正确的手机号或邮箱")
 		end
 	
diff --git a/app/interactors/gitea/delete_file_interactor.rb b/app/interactors/gitea/delete_file_interactor.rb
index 103df6cd4..03ddf4230 100644
--- a/app/interactors/gitea/delete_file_interactor.rb
+++ b/app/interactors/gitea/delete_file_interactor.rb
@@ -42,6 +42,9 @@ module Gitea
     def render_result(response)
       if response.status == 200
         @result = JSON.parse(response.body)
+      else
+        Rails.logger.error("Gitea::Repository::Entries::DeleteService error[#{response.status}]======#{response.body}")
+        @error = "删除失败，请确认该分支是否是保护分支。"
       end
     end
 
diff --git a/app/interactors/gitea/update_file_interactor.rb b/app/interactors/gitea/update_file_interactor.rb
index 0487a1ea0..1b729e2c8 100644
--- a/app/interactors/gitea/update_file_interactor.rb
+++ b/app/interactors/gitea/update_file_interactor.rb
@@ -43,8 +43,8 @@ module Gitea
       if response.status == 200
         @result = JSON.parse(response.body)
       else
-        Rails.logger.info("Gitea::Repository::Entries::UpdateService error======#{response.body}")
-        @error = "更新失败"
+        Rails.logger.error("Gitea::Repository::Entries::UpdateService error[#{response.status}]======#{response.body}")
+        @error = "更新失败，请确认该分支是否是保护分支。"
       end
     end
 
diff --git a/app/services/gitea/repository/entries/create_service.rb b/app/services/gitea/repository/entries/create_service.rb
index 14b373335..ac27b3afb 100644
--- a/app/services/gitea/repository/entries/create_service.rb
+++ b/app/services/gitea/repository/entries/create_service.rb
@@ -53,7 +53,7 @@ class Gitea::Repository::Entries::CreateService < Gitea::ClientService
   def status_payload(status, body)
     case status
     when 201 then success(json_parse!(body))
-    when 403 then error("你没有权限操作!")
+    when 403 then error("你没有权限操作，请确认该分支是否是保护分支。")
     when 404 then error("你操作的链接不存在!")
     when 422 
       if @body[:new_branch].present? && (@body[:new_branch].include?('/') || @body[:new_branch].include?('\'') || @body[:new_branch].include?('^') || @body[:new_branch].include?('*'))
@@ -61,7 +61,9 @@ class Gitea::Repository::Entries::CreateService < Gitea::ClientService
       else
         error("#{filepath}文件已存在，不能重复创建!")
       end
-    else error("系统错误!")
+    else
+      Rails.logger.error("Gitea api url==#{url},status:#{status},body=#{body}")
+      error("系统错误!")
     end
   end
 end