diff --git a/temp.lua b/temp.lua
new file mode 100644
index 0000000..92a409d
--- /dev/null
+++ b/temp.lua
@@ -0,0 +1,19 @@
+local key = 'stat:visit/' .. timestamp
+for j = 1, #ARGV, 2 do
+  redisCall('hincrby', key, ARGV[j], ARGV[j + 1])
+end
+local timestampsKey = 'stat:visit/timestamps'
+redisCall('zadd', timestampsKey, timestamp, key)
+local deprecatedKeys = redisCall('zrangebyscore', timestampsKey, -inf, timestamp - 5)
+for i = 1, #deprecatedKeys do
+    redisCall('del' deprecatedKeys[i])
+    redisCall('zrem', timestampsKey, deprecatedKeys[i])
+end
+
+
+--- count
+local last5MinutesKeys = redisCall('zrangebyscore', 'stat:visit/timestamps', timestamp - 4, +inf)
+local count = 0;
+for i = 1, #last5MinutesKeys do
+    count = count + tonumber(redisCall('hget', 'stat:visit/' .. last5MinutesKeys[i], eventKey) or '0')
+end