更改：查询条件

app/controllers/projects_controller.rb

@@ -42,11 +42,8 @@ class ProjectsController < ApplicationController
       if category_id.blank? && params[:search].blank? && params[:topic_id].blank?
         # 默认查询时count性能问题处理
         ProjectCategory.sum("projects_count") - Project.visible.joins("left join organization_extensions on organization_extensions.organization_id = projects.user_id").where("organization_extensions.visibility =2").count
-      elsif params[:search].present?
+      elsif params[:search].present? || params[:topic_id].present? 
         @projects.total_count
-      elsif params[:topic_id].present? 
-        topic = ProjectTopic.find_by(id: params[:topic_id])
-        topic&.projects_count || 0
       else
        cate = ProjectCategory.find_by(id: category_id)
        cate&.projects_count || 0