新增：项目搜索标签可在项目设置接口更改

app/controllers/projects_controller.rb

@@ -129,6 +129,12 @@ class ProjectsController < ApplicationController
       # TODO:
       # 临时特殊处理修改website、lesson_url操作方法
       if project_params.has_key?("website") 
+        if params[:project_topic_names].present? && params[:project_topic_names].is_a?(Array)
+          params[:project_topic_names].each do |name|
+            project_topic = ProjectTopic.find_or_create_by!(name: name.downcase)
+            project_topic.project_topic_ralates.find_or_create_by!(project: @project)
+          end
+        end
         @project.update(project_params)
       elsif project_params.has_key?("default_branch")
         @project.update(project_params)