From cabc82c6116ea8f2723f62609082c6175ecbf0b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=BC=82=E6=B5=81?= <driftluo@users.noreply.github.com>
Date: Mon, 11 Dec 2017 12:55:18 +0800
Subject: [PATCH] update lua script

`rpush` to `lpush` bug
---
 lua/visitor_log.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lua/visitor_log.lua b/lua/visitor_log.lua
index 5a41e73..b47739c 100644
--- a/lua/visitor_log.lua
+++ b/lua/visitor_log.lua
@@ -5,7 +5,7 @@ local len = redis.call("llen", redis_key);
 redis.call("lpush", redis_key, ip)
 
 if len > 100 then
-    redis.call("ltrim", redis_key, len - 99, len)
+    redis.call("ltrim", redis_key, 0, 100 - 1)
 end
 
 return true