更改：项目排行榜规则及个数

app/controllers/project_rank_controller.rb

@@ -4,7 +4,7 @@ class ProjectRankController < ApplicationController
     $redis_cache.zunionstore("recent-days-project-rank", get_timeable_key_names)
     deleted_data = $redis_cache.smembers("v2-project-rank-deleted")
     $redis_cache.zrem("recent-days-project-rank", deleted_data) unless deleted_data.blank?
-    @project_rank = $redis_cache.zrevrange("recent-days-project-rank", 0, 4, withscores: true)
+    @project_rank = $redis_cache.zrevrange("recent-days-project-rank", 0, 9, withscores: true)
   rescue Exception => e
     @project_rank = []
   end

app/models/project.rb

@@ -178,6 +178,9 @@ class Project < ApplicationRecord
         $redis_cache.srem("v2-project-rank-deleted", self.id)
       end
     end
+    if !self.common?
+      $redis_cache.srem("v2-project-rank-deleted", self.id)
+    end
   end
 
   def decre_project_common