修复：合并请求更新失败

app/controllers/pull_requests_controller.rb

@@ -274,15 +274,10 @@ class PullRequestsController < ApplicationController
       body:	params[:body],  #内容
       head: params[:head],  #源分支
       base: params[:base],  #目标分支
-      milestone: 0,  #里程碑,未与本地的里程碑关联
+      # milestone: 0,  #里程碑,未与本地的里程碑关联
     }
     assignee_login = User.find_by_id(params[:assigned_to_id])&.login
-    @requests_params = @local_params.merge({
-      # assignees: ["#{params[:assigned_login].to_s}"],
-      assignees: ["#{assignee_login.to_s}"],
-      labels: params[:issue_tag_ids]
-      # due_date: Time.now
-    })
+    @requests_params = @local_params.merge({assignees: [assignee_login.to_s].reject!(&:empty?)})
     @issue_params = {
       author_id: current_user.id,
       project_id: @project.id,