diff --git a/src/server/MergeConst/system.go b/src/server/MergeConst/system.go
index 9ea5ac44..db2d7bc8 100644
--- a/src/server/MergeConst/system.go
+++ b/src/server/MergeConst/system.go
@@ -4,4 +4,5 @@ const (
 	Go_gc_percent      = 200
 	Go_gc_memory_limit = 1024 << 20
 	Go_game_version    = "1.0.3" // 游戏版本号，格式为 "主版本号.次版本号.修订号"，每次发布新版本时需要更新
+	Go_log_delete_days = 3       // 日志删除天数，超过这个天数的日志文件将被删除
 )
diff --git a/src/server/game/GameLogic.go b/src/server/game/GameLogic.go
index 205e5310..a5565f3c 100644
--- a/src/server/game/GameLogic.go
+++ b/src/server/game/GameLogic.go
@@ -602,7 +602,7 @@ func (ad *GameLogic) CreateDailyLogFile() {
 		fmt.Println(err)
 	}
 	log.Debug("CreateDailyLogFile")
-	ad.RemoveOldLogs(15)
+	ad.RemoveOldLogs(MergeConst.Go_log_delete_days)
 }
 
 func (ad *GameLogic) RemoveOldLogs(days int) {