diff --git a/package.json b/package.json
index fba94e4..aa87dc4 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,6 @@
     "classnames": "^2.3.2",
     "google-protobuf": "^3.21.2",
     "preact": "^10.17.1",
-    "react-transition-group": "^4.4.5",
     "valtio": "^1.11.2"
   },
   "devDependencies": {
diff --git a/readme.md b/readme.md
index a091cce..9bde434 100644
--- a/readme.md
+++ b/readme.md
@@ -4,7 +4,7 @@ canvaskit 实现，超级丝滑的原神地图，数据来源：[空荧酒馆](h
 
 - https://qiuxiang.github.io/ky-genshin-map/ (github pages)
 - http://7c00.top/ky-genshin-map/ (cloudflare)
-- http://106.55.55.247:8000/ (国内测试)
+- http://106.55.55.247/ky-genshin-map/ (国内测试服务器)
 
 ![图片](https://github.com/qiuxiang/ky-genshin-map/assets/1709072/2ea4b8e7-1978-4b95-a353-cc712a01b21e)
 
diff --git a/src/genshin-map/underground-layer.tsx b/src/genshin-map/underground-layer.tsx
index 316aea4..ce3557c 100644
--- a/src/genshin-map/underground-layer.tsx
+++ b/src/genshin-map/underground-layer.tsx
@@ -1,7 +1,6 @@
 import { DomLayer, ImageLayer } from "@canvaskit-tilemap/react";
 import classNames from "classnames";
 import { useMemo, useRef, useState } from "react";
-import { Transition } from "react-transition-group";
 import { useSnapshot } from "valtio";
 import { zIndex } from ".";
 import { UndergroundMap } from "../data_pb";