更改：查询条件

app/controllers/projects_controller.rb

@@ -39,7 +39,7 @@ class ProjectsController < ApplicationController
 
     category_id = params[:category_id]
     @total_count =
-      if category_id.blank? && params[:search].blank?
+      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?