diff --git a/api/@ohos.web.webview.d.ts b/api/@ohos.web.webview.d.ts
index 591114670159899c84dbd94ece7b4cf641e4fbb5..ec7b3cb7447b377c524efd278c2b1837f8df959f 100644
--- a/api/@ohos.web.webview.d.ts
+++ b/api/@ohos.web.webview.d.ts
@@ -6661,6 +6661,29 @@ declare namespace webview {
      * @since 20
      */
     static setBlanklessLoadingCacheCapacity(capacity: number) : number;
+
+    /**
+     * After enable PrivateNetworkAccess feature, ArkWeb will send a CORS preflight request before issuing any
+     * sub-resource private network requests to request explicit permission from the target server.
+     * After disable PrivateNetworkAccess, ArkWeb will no longer check whether the private network request
+     * is legitimate.
+     * 
+     * @param {boolean} enable - {@code true} enable the private network access check; {@code false} otherwise.
+     * @static
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 20
+     */
+    static enablePrivateNetworkAccess(enable: boolean): void;
+
+    /**
+     * Get whether PrivateNetworkAccess is enabled.
+     * 
+     * @returns {boolean} True is enable the ability to check private network access else false.
+     * @static
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 20
+     */
+    static isPrivateNetworkAccessEnabled(): boolean;
   }
 
   /**