diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/build-profile.json5 b/packages/webview_flutter/webview_flutter_ohos/ohos/build-profile.json5
index 15f1545a96f8acf7220aef23663c047205c86960..c7c8fb53cee811cbae5ba22f1638be6814045fbc 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/build-profile.json5
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/build-profile.json5
@@ -20,8 +20,8 @@
       {
         "name": "default",
         "signingConfig": "default",
-        "compileSdkVersion": "4.0.0(10)",
-        "compatibleSdkVersion": "4.0.0(10)",
+        "compileSdkVersion": "4.1.0(11)",
+        "compatibleSdkVersion": "4.1.0(11)",
         "runtimeOS": "HarmonyOS",
       }
     ],
diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/DownloadListenerFlutterApiImpl.ets b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/DownloadListenerFlutterApiImpl.ets
index 559355dfa487825fdda3bf3a05dcbcf2c897c75f..cc2ed9f583603a7ddf0e6d440d006ed588239a9c 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/DownloadListenerFlutterApiImpl.ets
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/DownloadListenerFlutterApiImpl.ets
@@ -54,5 +54,5 @@ export class DownloadListenerFlutterApiImpl extends DownloadListenerFlutterApi {
 }
 
 export interface DownloadListener {
-  onDownloadStart(url: string, userAgent: string, contentDisposition: string, mimeType: string, contentLength: number);
+  onDownloadStart(url: string, userAgent: string, contentDisposition: string, mimeType: string, contentLength: number) : void;
 }
diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/DownloadListenerHostApiImpl.ets b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/DownloadListenerHostApiImpl.ets
index 4e9fb706e1289af3de969c8e3f3435c46675487c..83473e9ff8907d43c336373880186fc26f6bbd35 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/DownloadListenerHostApiImpl.ets
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/DownloadListenerHostApiImpl.ets
@@ -66,5 +66,5 @@ class DownloadListenerImpl implements DownloadListener {
 }
 
 export interface DownloadListener {
-  onDownloadStart(url: string, userAgent: string, contentDisposition: string, mimeType: string, contentLength: number);
+  onDownloadStart(url: string, userAgent: string, contentDisposition: string, mimeType: string, contentLength: number) : void;
 }
diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/GeneratedOhosWebView.ets b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/GeneratedOhosWebView.ets
index bef6cdf78f9e6fb9383fe4cdd3cbc280fa7c64bb..2406832607e287247c13a492912b86bcc3864275 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/GeneratedOhosWebView.ets
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/GeneratedOhosWebView.ets
@@ -1106,7 +1106,7 @@ export interface Reply<T> {
    *
    * @param reply the reply, possibly null.
    */
-  reply: (reply: T) => void;
+  reply: (reply: T |null) => void;
 }
 
 export class WebViewFlutterApi {
diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/OhosWebView.ets b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/OhosWebView.ets
index c38e9df9d8aa4f0f96ecef5e2809e97477dc25d4..20631a8b75f7e0a62ef1b86c18bf2bc29ae5eb9a 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/OhosWebView.ets
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/OhosWebView.ets
@@ -61,7 +61,7 @@ export struct OhosWebView {
           })
           dialogController.open();
           event.handler.setWebController(newWebViewController);
-        })
+        }).onControllerAttached(DynamicUtils.getParams(this.params, "onControllerAttached"))
     }
   }
 }
diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebChromeClientHostApiImpl.ets b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebChromeClientHostApiImpl.ets
index 4ffd5198783b31d5ad9f0b3ca414e4e9b3ec0bf7..0e0ab245a83f1bc24bb5eb569980f4b3dc2549da 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebChromeClientHostApiImpl.ets
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebChromeClientHostApiImpl.ets
@@ -26,21 +26,21 @@ import web_webview from '@ohos.web.webview'
 const TAG: string = "WebChromeClientHostApiImpl";
 
 export interface WebChromeClient {
-  onProgressChanged(view: WebViewPlatformView, progress: number);
+  onProgressChanged(view: WebViewPlatformView, progress: number) : void;
 
-  onGeolocationPermissionsShowPrompt(origin: string, callback: JsGeolocation);
+  onGeolocationPermissionsShowPrompt(origin: string, callback: JsGeolocation) : void;
 
-  onGeolocationPermissionsHidePrompt();
+  onGeolocationPermissionsHidePrompt() : void;
 
   onShowFileChooser(
     webView: WebViewPlatformView, filePathCallback: FileSelectorResult, fileChooserParams: FileSelectorParam
   ): boolean;
 
-  onPermissionRequest(request: PermissionRequest);
+  onPermissionRequest(request: PermissionRequest) : void;
 
-  onConsoleMessage(message: ConsoleMessage);
+  onConsoleMessage(message: ConsoleMessage) : void;
 
-  onCreateWindow(webView: WebViewPlatformView, isDialog: boolean, isUserGesture: boolean, handler: ControllerHandler);
+  onCreateWindow(webView: WebViewPlatformView, isDialog: boolean, isUserGesture: boolean, handler: ControllerHandler) : void;
 }
 
 export class WebChromeClientHostApiImpl extends WebChromeClientHostApi {
@@ -171,7 +171,7 @@ class WebChromeClientImpl extends SecureWebChromeClient {
     let currentReturnValueForOnShowFileChooser: boolean = this.returnValueForOnShowFileChooser;
     this.flutterApi.onShowFileChooserImpl(
       this, webView, fileChooserParams, {
-      reply: (reply: Array<string>) => {
+      reply: (reply: Array<string> | null) => {
         if (currentReturnValueForOnShowFileChooser) {
           filePathCallback.handleFileList(reply);
         }
diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebSettingsHostApiImpl.ets b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebSettingsHostApiImpl.ets
index 34fc45bdebc0e754afa1e7dda2072216877c5c9c..4728e5a2678ad4405e50b48c2cc2ae6abc4b5056 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebSettingsHostApiImpl.ets
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebSettingsHostApiImpl.ets
@@ -18,31 +18,31 @@ import { InstanceManager } from './InstanceManager';
 import { WebViewPlatformView } from './WebViewHostApiImpl';
 
 export interface WebSettings {
-  setDomStorageEnabled(flag: boolean);
+  setDomStorageEnabled(flag: boolean) : void;
 
-  setJavaScriptCanOpenWindowsAutomatically(flag: boolean);
+  setJavaScriptCanOpenWindowsAutomatically(flag: boolean) : void;
 
-  setSupportMultipleWindows(support: boolean);
+  setSupportMultipleWindows(support: boolean) : void;
 
-  setJavaScriptEnabled(flag: boolean);
+  setJavaScriptEnabled(flag: boolean) : void;
 
-  setUserAgentString(userAgentString: string);
+  setUserAgentString(userAgentString: string) : void;
 
-  setMediaPlaybackRequiresUserGesture(require: boolean);
+  setMediaPlaybackRequiresUserGesture(require: boolean) : void;
 
-  setSupportZoom(support: boolean);
+  setSupportZoom(support: boolean) : void;
 
-  setLoadWithOverviewMode(overview: boolean);
+  setLoadWithOverviewMode(overview: boolean) : void;
 
-  setUseWideViewPort(use: boolean);
+  setUseWideViewPort(use: boolean) : void;
 
-  setDisplayZoomControls(enabled: boolean);
+  setDisplayZoomControls(enabled: boolean) : void;
 
-  setBuiltInZoomControls(enabled: boolean);
+  setBuiltInZoomControls(enabled: boolean) : void;
 
-  setAllowFileAccess(enabled: boolean);
+  setAllowFileAccess(enabled: boolean) : void;
 
-  setTextZoom(textZoom: number);
+  setTextZoom(textZoom: number) : void;
 }
 
 export class WebSettingsCreator {
diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebViewClientHostApiImpl.ets b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebViewClientHostApiImpl.ets
index e15f25a4537707d0ba1d7c9abf8f3b1293b0c948..1b92e74931684d45feb6ce49b630569cc9314da4 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebViewClientHostApiImpl.ets
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebViewClientHostApiImpl.ets
@@ -19,15 +19,15 @@ import { WebViewClientFlutterApiImpl } from './WebViewClientFlutterApiImpl';
 import { WebViewPlatformView } from './WebViewHostApiImpl';
 
 export interface WebViewClient {
-  onPageStarted(view: WebViewPlatformView, url: string);
+  onPageStarted(view: WebViewPlatformView, url: string) : void;
 
-  onPageFinished(view: WebViewPlatformView, url: string);
+  onPageFinished(view: WebViewPlatformView, url: string) : void;
 
-  onReceivedError(view: WebViewPlatformView, request: WebResourceRequest, error: WebResourceError);
+  onReceivedError(view: WebViewPlatformView, request: WebResourceRequest, error: WebResourceError) : void;
 
   shouldOverrideUrlLoading(view: WebViewPlatformView, request: WebResourceRequest): boolean;
 
-  doUpdateVisitedHistory(view: WebViewPlatformView, url: string, isReload: boolean);
+  doUpdateVisitedHistory(view: WebViewPlatformView, url: string, isReload: boolean) : void;
 }
 
 export class WebViewClientImpl implements WebViewClient {
diff --git a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebViewHostApiImpl.ets b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebViewHostApiImpl.ets
index 07fa1d4598976295a104f19a0dcd93b6410cb62a..4259b5d18f040ddb77901844361bfacce74c3b41 100644
--- a/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebViewHostApiImpl.ets
+++ b/packages/webview_flutter/webview_flutter_ohos/ohos/webview_flutter/src/main/ets/io.flutter.plugins/webview_flutter/WebViewHostApiImpl.ets
@@ -82,14 +82,17 @@ export class WebViewHostApiImpl extends WebViewHostApi {
 
   loadUrl(instanceId: number, url: string, headers: Map<string, string>): void {
     const webView: WebViewPlatformView = this.instanceManager.getInstance(instanceId);
-    try {
-      if (url.startsWith("resources/rawfile/")) {
-        webView.getController().loadUrl($rawfile(url.replace("resources/rawfile/","")), this.toWebHeaders(headers));
-      }else {
-        webView.getController().loadUrl(url, this.toWebHeaders(headers));
+    if (webView.getIsControllerAttached()) {
+      try {
+        if (url.startsWith("resources/rawfile/")) {
+          webView.getController().loadUrl($rawfile(url.replace("resources/rawfile/","")), this.toWebHeaders(headers));
+        }else {
+          webView.getController().loadUrl(url, this.toWebHeaders(headers));
+        }
+      } catch (err) {
+        Log.e(TAG, "loadUrl err = " + err);
       }
-    } catch (err) {
-      Log.e(TAG, "loadUrl err = " + err);
+    } else {
       setTimeout(
         () => {
           this.loadUrl(instanceId, url, headers);
@@ -278,6 +281,16 @@ export class WebViewPlatformView extends PlatformView {
 
   private returnValueForShouldOverrideUrlLoading: boolean = false;
 
+  private isControllerAttached: boolean = false;
+
+  getIsControllerAttached(): boolean {
+    return this.isControllerAttached;
+  }
+
+  private onControllerAttached = () => {
+    this.isControllerAttached = true;
+  }
+
   private onDownloadStart = (event: ESObject) => {
     if (this.downloadListener) {
       this.downloadListener.onDownloadStart(
@@ -390,7 +403,8 @@ export class WebViewPlatformView extends PlatformView {
       onPermissionRequest: this.onPermissionRequest,
       onWindowNew: this.onWindowNew,
       onWindowExit: this.onWindowExit,
-      onScroll: this.onScroll
+      onScroll: this.onScroll,
+      onControllerAttached: this.onControllerAttached
     },
     {},
     buildOhosWebView