Merge remote-tracking branch 'origin/dev_aliyun' into dev_aliyun

app/libs/util/redis.rb

@@ -2,7 +2,7 @@ module Util::Redis
   class << self
     def online_user_count
       if Rails.cache.is_a?(ActiveSupport::Cache::RedisStore)
-        Rails.cache.data.scan(0, match: 'cache:_session_id:*', count: 100000).last.size
+        Rails.cache.data.scan(0, match: 'cache:_session_id:*', count: 100000).last.uniq.size
       end
     end
   end