diff --git a/apps/zhi-core/src/theme/zhi.ts b/apps/zhi-core/src/theme/zhi.ts
index f9fee684..6adf04fe 100644
--- a/apps/zhi-core/src/theme/zhi.ts
+++ b/apps/zhi-core/src/theme/zhi.ts
@@ -53,6 +53,7 @@ class Zhi {
    */
   public async init(): Promise<void> {
     try {
+      alert(this.runAs)
       this.logger.info(`Theme runAs ${this.runAs}`)
       this.logger.info("Theme inited.")
     } catch (e) {
diff --git a/apps/zhi-device-detection/README.md b/apps/zhi-device-detection/README.md
index cfdb476e..0f392440 100644
--- a/apps/zhi-device-detection/README.md
+++ b/apps/zhi-device-detection/README.md
@@ -1,2 +1,62 @@
 # zhi-device-detection
-auto check environment whether in browser, browser extension, electron, node and more
\ No newline at end of file
+
+auto check environment whether in browser, browser extension, electron, node and more
+
+## Usage
+
+```ts
+import DeviceDetection, { BrowserUtil, DeviceTypeEnum } from "zhi-device-detection"
+
+console.log("isInBrowser=>", BrowserUtil.isInBrowser)
+
+const deviceType: DeviceTypeEnum = DeviceDetection.getDevice()
+console.log("deviceType=>", deviceType)
+
+// supported platforms
+// Mobile
+// Siyuan_Widget
+// Siyuan_NewWindow
+// Siyuan_MainWindow
+// Chrome_Extension
+// Chrome_Browser
+// Node
+```
+
+## Deps
+
+```
+## Congregations! zhi-device-detection need no deps, it is just pure js code 🎉
+```
+
+## Dev
+
+```bash
+pnpm dev -F zhi-device-detection
+```
+
+## Build
+
+```bash
+pnpm build -F zhi-device-detection
+```
+
+## Api
+
+```bash
+pnpm doc -F zhi-device-detection
+pnpm md -F zhi-device-detection
+```
+
+## Test
+
+Execute the unit tests via [jest](https://jestjs.io/docs/getting-started#via-ts-jest)
+
+```bash
+pnpm test -F zhi-device-detection
+```
+
+## Publish
+
+```
+pnpm publish -F zhi-device-detection --ver=0.1.0 --tag=latest
+```
\ No newline at end of file
diff --git a/apps/zhi-device-detection/src/index.ts b/apps/zhi-device-detection/src/index.ts
index dec594e4..ea06892b 100644
--- a/apps/zhi-device-detection/src/index.ts
+++ b/apps/zhi-device-detection/src/index.ts
@@ -25,9 +25,11 @@
 
 import DeviceDetection from "./deviceDetection"
 import DeviceTypeEnum from "./lib/deviceTypeEnum"
+import BrowserUtil from "./lib/browserUtil"
 
 /**
  * zhi-device-detection 入口
  */
 export default DeviceDetection
+export { BrowserUtil }
 export { DeviceTypeEnum }
diff --git a/apps/zhi-device-detection/src/lib/browserUtil.ts b/apps/zhi-device-detection/src/lib/browserUtil.ts
index f8f870c4..3fff538a 100644
--- a/apps/zhi-device-detection/src/lib/browserUtil.ts
+++ b/apps/zhi-device-detection/src/lib/browserUtil.ts
@@ -183,14 +183,15 @@ class BrowserUtil {
    * 重新加载指定tab
    *
    * @param tabname - tabname
+   * @param t - 延迟时间
    */
-  public static reloadTabPage = (tabname: string): void => {
+  public static reloadTabPage = (tabname: string, t = 200): void => {
     setTimeout(function () {
       if (BrowserUtil.isInBrowser) {
         const url = window.location.href
         window.location.href = BrowserUtil.setUrlParameter(url, "tab", tabname)
       }
-    }, 200)
+    }, t)
   }
 
   /**