diff --git a/package.json b/package.json
index 847ac19..5837e52 100644
--- a/package.json
+++ b/package.json
@@ -6,7 +6,6 @@
     "@ant-design/icons": "4.2.1",
     "pretty-format": "25.5.0",
     "@types/echarts": "^4.6.1",
-    "@types/js-cookie": "^2.2.6",
     "@types/photoswipe": "^4.1.0",
     "antd": "4.4.3",
     "axios": "^0.19.2",
@@ -18,7 +17,6 @@
     "echarts-for-react": "^2.0.16",
     "fs-extra": "^8.1.0",
     "identity-obj-proxy": "3.0.0",
-    "js-cookie": "^2.2.1",
     "photoswipe": "^4.1.3",
     "qs": "^6.9.4",
     "react": "^16.13.1",
diff --git a/src/common/model/global/Lang.ts b/src/common/model/global/Lang.ts
index ace0b68..50fc110 100644
--- a/src/common/model/global/Lang.ts
+++ b/src/common/model/global/Lang.ts
@@ -2,7 +2,6 @@
  * 全局性的国际化
  */
 import BrowserUtil from "../../util/BrowserUtil";
-import Cookies from "js-cookie";
 import LangEn from "./i18n/LangEn";
 import LangZh from "./i18n/LangZh";
 
@@ -22,7 +21,7 @@ export default class Lang {
 
       //读取默认的语言
       let lang = BrowserUtil.browserLang()
-      let localLang = Cookies.get("_lang");
+      let localLang = localStorage.getItem("_lang");
       if (localLang === "zh" || localLang === "en") {
         lang = localLang
       }
diff --git a/src/common/model/global/Sun.ts b/src/common/model/global/Sun.ts
index 59124d5..267b7ca 100644
--- a/src/common/model/global/Sun.ts
+++ b/src/common/model/global/Sun.ts
@@ -3,8 +3,6 @@
  * 这个类不包含Base的子类，比如User, Preference.
  * 和Moon形成姊妹篇
  */
-import BrowserUtil from "../../util/BrowserUtil";
-import Cookies from "js-cookie"
 
 export default class Sun {
 
diff --git a/src/pages/layout/BottomLayout.tsx b/src/pages/layout/BottomLayout.tsx
index d0e887b..e652fca 100644
--- a/src/pages/layout/BottomLayout.tsx
+++ b/src/pages/layout/BottomLayout.tsx
@@ -3,7 +3,6 @@ import "./BottomLayout.less";
 import TankComponent from "../../common/component/TankComponent";
 import Moon from "../../common/model/global/Moon";
 import DefaultLogoPng from "../../assets/image/logo.png";
-import Cookies from "js-cookie";
 import Sun from "../../common/model/global/Sun";
 import Lang from "../../common/model/global/Lang";
 
@@ -23,8 +22,7 @@ export default class BottomLayout extends TankComponent<IProps, IState> {
     } else {
       Lang.getSingleton().lang = "zh";
     }
-    Cookies.set("_lang", Lang.getSingleton().lang);
-
+    localStorage.setItem("_lang", Lang.getSingleton().lang);
     Sun.updateFrame();
   }