diff --git a/app/services/cache/v2/platform_statistic_service.rb b/app/services/cache/v2/platform_statistic_service.rb
index a7d9437a0..5de758513 100644
--- a/app/services/cache/v2/platform_statistic_service.rb
+++ b/app/services/cache/v2/platform_statistic_service.rb
@@ -212,7 +212,7 @@ class Cache::V2::PlatformStatisticService < ApplicationService
   end
 
   def reset_platform_max_issue_count
-    max_issue = Issue.issue_issue.group(:project_id).count.sort_by{|i|i[1]}.last || []
+    max_issue = Issue.where.not(project_id: 0).issue_issue.group(:project_id).count.sort_by{|i|i[1]}.last || []
     $redis_cache.hset(platform_statistic_key, max_issue_count_key, max_issue[1].nil? ? 0 : max_issue[1])
   end