update lua script

`rpush` to `lpush` bug
driftluo · Dec 11, 2017 · cabc82c · cabc82c
1 parent d67ccdd
commit cabc82c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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