diff --git a/harmony/rn_webview/src/main/ets/RNCWebView.ets b/harmony/rn_webview/src/main/ets/RNCWebView.ets
index 27168d609..09a9db766 100644
--- a/harmony/rn_webview/src/main/ets/RNCWebView.ets
+++ b/harmony/rn_webview/src/main/ets/RNCWebView.ets
@@ -46,7 +46,6 @@ import {
   MINHEIGHT,
 } from './Magic';
 import { bundleManager } from '@kit.AbilityKit';
-
 export const TAG = "WebView"
 
 export const WEB_VIEW = "RNCWebView"
@@ -366,7 +365,7 @@ export struct RNCWebView {
       Web({ src: "", controller: this.controller, renderMode: this.renderMode })
         .mixedMode(this.mode)
         .onPermissionRequest((event: OnPermissionRequestEvent) => {
-          if (event) {
+          if (event && (this.getPermissionDialogMessage(event) != "TYPE_SENSOR")) {
             AlertDialog.show({
               title: this.resourceToString($r('app.string.on_confirm')) + event.request.getOrigin(),
               message: this.getPermissionDialogMessage(event),
@@ -401,6 +400,7 @@ export struct RNCWebView {
         .verticalScrollBarAccess(this.descriptorWrapper.rawProps.showsVerticalScrollIndicator)
         .overviewModeAccess(this.descriptorWrapper.rawProps.scalesPageToFit)
         .textZoomRatio(this.descriptorWrapper.rawProps.textZoom)
+        .backgroundColor(BaseOperate.getColorMode(this.ctx.uiAbilityContext, this.descriptorWrapper.rawProps.forceDarkOn) === WebDarkMode.On ? Color.White : Color.Transparent)
         .darkMode(BaseOperate.getColorMode(this.ctx.uiAbilityContext, this.descriptorWrapper.rawProps.forceDarkOn))
         .forceDarkAccess(this.forceDark)
         .cacheMode(this.cacheMode)
@@ -492,8 +492,8 @@ export struct RNCWebView {
       })
     }
     this.html = this.source.html
-    this.webviewWidth = this.descriptorWrapper.rawProps.width
-    this.webviewHeight = this.descriptorWrapper.rawProps.height
+    this.webviewWidth = this.descriptorWrapper.layoutMetrics.frame.size.width
+    this.webviewHeight = this.descriptorWrapper.layoutMetrics.frame.size.height
     this.scrollEnabled = this.descriptorWrapper.rawProps.scrollEnabled;
     // 当禁止滚动时，使用父组件滚动
     this.nestedScroll = this.scrollEnabled ? NestedScrollMode.SELF_FIRST : NestedScrollMode.PARENT_FIRST;