diff --git a/README.md b/README.md
index ac8cacf..b16d1e6 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,8 @@ description: Get device information.
 
 # cordova-plugin-device
 
+** 需要在app.component.ts文件中,同意隐私政策后 且 platform.ready()前调用initDeviceInfo() **
+
 [![Android Testsuite](https://github.com/apache/cordova-plugin-device/actions/workflows/android.yml/badge.svg)](https://github.com/apache/cordova-plugin-device/actions/workflows/android.yml) [![Chrome Testsuite](https://github.com/apache/cordova-plugin-device/actions/workflows/chrome.yml/badge.svg)](https://github.com/apache/cordova-plugin-device/actions/workflows/chrome.yml) [![iOS Testsuite](https://github.com/apache/cordova-plugin-device/actions/workflows/ios.yml/badge.svg)](https://github.com/apache/cordova-plugin-device/actions/workflows/ios.yml) [![Lint Test](https://github.com/apache/cordova-plugin-device/actions/workflows/lint.yml/badge.svg)](https://github.com/apache/cordova-plugin-device/actions/workflows/lint.yml)
 
 This plugin defines a global `device` object, which describes the device's hardware and software.
diff --git a/src/android/Device.java b/src/android/Device.java
index 87f7430..5f80bf6 100644
--- a/src/android/Device.java
+++ b/src/android/Device.java
@@ -46,17 +46,6 @@ public class Device extends CordovaPlugin {
     public Device() {
     }
 
-    /**
-     * Sets the context of the Command. This can then be used to do things like
-     * get file paths associated with the Activity.
-     *
-     * @param cordova The context of the main Activity.
-     * @param webView The CordovaWebView Cordova is running in.
-     */
-    public void initialize(CordovaInterface cordova, CordovaWebView webView) {
-        super.initialize(cordova, webView);
-    }
-
     /**
      * Executes the request and returns PluginResult.
      *
@@ -67,6 +56,9 @@ public class Device extends CordovaPlugin {
      */
     public boolean execute(String action, JSONArray args, CallbackContext callbackContext) throws JSONException {
         if ("getDeviceInfo".equals(action)) {
+            if(Device.uuid == null) {
+                Device.uuid = this.getUuid();
+            }
             JSONObject r = new JSONObject();
             r.put("uuid", Device.uuid);
             r.put("version", this.getOSVersion());
@@ -78,9 +70,6 @@ public class Device extends CordovaPlugin {
             r.put("sdkVersion", this.getSDKVersion());
             callbackContext.success(r);
         }
-        else if("initUuid".equals(action)) {
-            callbackContext.success(getUuid());
-        }
         else {
             return false;
         }
diff --git a/www/device.js b/www/device.js
index af22027..1706c93 100644
--- a/www/device.js
+++ b/www/device.js
@@ -25,8 +25,6 @@ var exec = require('cordova/exec');
 var cordova = require('cordova');
 
 channel.createSticky('onCordovaInfoReady');
-// Tell cordova channel to wait on the CordovaInfoReady event
-channel.waitForInitialization('onCordovaInfoReady');
 
 /**
  * This represents the mobile device, and provides properties for inspecting the model, version, UUID of the
@@ -44,49 +42,8 @@ function Device () {
     this.isVirtual = null;
     this.serial = null;
     this.isiOSAppOnMac = null;
-
-    var me = this;
-
-    channel.onCordovaReady.subscribe(function () {
-        me.getInfo(
-            function (info) {
-                // ignoring info.cordova returning from native, we should use value from cordova.version defined in cordova.js
-                // TODO: CB-5105 native implementations should not return info.cordova
-                var buildLabel = cordova.version;
-                me.available = true;
-                me.platform = info.platform;
-                me.version = info.version;
-                me.uuid = info.uuid;
-                me.cordova = buildLabel;
-                me.model = info.model;
-                me.isVirtual = info.isVirtual;
-                // isiOSAppOnMac is iOS specific. If defined, it will be appended.
-                if (info.isiOSAppOnMac !== undefined) {
-                    me.isiOSAppOnMac = info.isiOSAppOnMac;
-                }
-                me.manufacturer = info.manufacturer || 'unknown';
-                me.serial = info.serial || 'unknown';
-
-                // SDK Version is Android specific. If defined, it will be appended.
-                if (info.sdkVersion !== undefined) {
-                    me.sdkVersion = info.sdkVersion;
-                }
-
-                channel.onCordovaInfoReady.fire();
-            },
-            function (e) {
-                me.available = false;
-                console.error('[ERROR] Error initializing cordova-plugin-device: ' + e);
-            }
-        );
-    });
 }
 
-Device.setUuid = function(uuid) {
-    var instance = module.exports;
-    instance.uuid = uuid;
-};
-
 /**
  * Get device info
  *
@@ -99,13 +56,35 @@ Device.prototype.getInfo = function (successCallback, errorCallback) {
 };
 
 /**
- * android only. 安全合规不允许同意隐私政策前获取AndroidID
- * 同意隐私政策后调用该方法初始化AndroidID
+ * 安全合规不允许同意隐私政策前获取AndroidID和IDFV(ios)，同意后需要手动调用
+ * 需要在platform.ready()前调用
  */
-Device.prototype.initUuid = function (errorCallback) {
-    exec(function(uuid) {
-        Device.setUuid(uuid);
-    }, errorCallback, 'Device', 'initUuid', []);
+Device.prototype.initDeviceInfo = function (errorCallback) {
+    var me = module.exports;
+    me.getInfo(function (info) {
+        // ignoring info.cordova returning from native, we should use value from cordova.version defined in cordova.js
+        // TODO: CB-5105 native implementations should not return info.cordova
+        var buildLabel = cordova.version;
+        me.available = true;
+        me.platform = info.platform;
+        me.version = info.version;
+        me.uuid = info.uuid;
+        me.cordova = buildLabel;
+        me.model = info.model;
+        me.isVirtual = info.isVirtual;
+        // isiOSAppOnMac is iOS specific. If defined, it will be appended.
+        if (info.isiOSAppOnMac !== undefined) {
+            me.isiOSAppOnMac = info.isiOSAppOnMac;
+        }
+        me.manufacturer = info.manufacturer || 'unknown';
+        me.serial = info.serial || 'unknown';
+
+        // SDK Version is Android specific. If defined, it will be appended.
+        if (info.sdkVersion !== undefined) {
+            me.sdkVersion = info.sdkVersion;
+        }
+        channel.onCordovaInfoReady.fire();
+    }, errorCallback);
 };
 
 module.exports = new Device();