diff --git a/src/HttpServer/logic/function.go b/src/HttpServer/logic/function.go
index 9a289e3..802a974 100644
--- a/src/HttpServer/logic/function.go
+++ b/src/HttpServer/logic/function.go
@@ -1341,7 +1341,7 @@ func HandleRandWorldChat(ntime int) {
 	isInsert := false
 	length, err := redishandler.GetRedisClient().LLen(redis.WORLD_CHAT_INFO_KEY)
 	if err == nil {
-		if length >= CHATLIMITNUM {
+		if length >= CHATLIMITNUM-1 {
 			//需要先把多余的聊天记录删除
 			delcnt := length - CHATLIMITNUM
 			for i := 0; i < delcnt; i++ {
--
libgit2 0.21.0