diff --git a/conf.lua b/conf.lua
index b9c7548f..fb7ea8f3 100644
--- a/conf.lua
+++ b/conf.lua
@@ -1,9 +1,9 @@
 VERSION={
-	build=335,
-	code=1503,
-	short="V0.15.3",
-	string="Alpha V0.15.3",
-	name="卫星 Satellite",
+	build=336,
+	code=1504,
+	short="V0.15.4",
+	string="Alpha V0.15.4",
+	name="近地轨道 Low Earth Orbit",
 }
 function love.conf(t)
 	t.identity='Techmino'--Saving folder
diff --git a/parts/updateLog.lua b/parts/updateLog.lua
index 234515a5..60508cd2 100644
--- a/parts/updateLog.lua
+++ b/parts/updateLog.lua
@@ -31,6 +31,20 @@ return STRING.split([=[
 		等级系统; 收集向抽奖玩法; 自适应UI
 		录像回放菜单; 自动跳帧; 多方块; 超60帧
 
+0.15.4: 近地轨道 Low Earth Orbit
+		新增:
+				自定义房间支持设置密码
+				房间列表ui调整
+		改动:
+				控件被隐藏时会自动失去焦点
+				修改自定义游戏默认背景和自定义房间默认bgm
+				微调输入框边框样式
+				更好地响应系统长按
+				小程序tap不再认为鼠标左右键为同一个键
+		修复:
+				服务器传来警告/错误信息时弹出消息的奇怪格式
+				DOGC模块创建超过系统限制大小的画布导致报错
+
 0.15.3: 卫星 Satellite
 		新增:
 				开房支持自定义参数
diff --git a/parts/virtualKey.lua b/parts/virtualKey.lua
index aeec5cf0..873a52ca 100644
--- a/parts/virtualKey.lua
+++ b/parts/virtualKey.lua
@@ -7,7 +7,6 @@ local SETTING,TIME=SETTING,TIME
 local VK_org=VK_org
 
 local skin=1
-local r=10
 local buttonImages={
 	DOGC{200,200,{'setLW',4},{'dCirc',100,100,98},{'dCirc',100,100,90}},
 	DOGC{200,200,{'setLW',4},{'dCirc',100,100,98,8},{'dCirc',100,100,90,8}},