diff --git a/api/@ohos.display.d.ts b/api/@ohos.display.d.ts
index 6690c73c7563a6671d1cc35ac5c65626efbb370e..0ad4c485c9bffa33cf374302704259b716f33efe 100644
--- a/api/@ohos.display.d.ts
+++ b/api/@ohos.display.d.ts
@@ -222,7 +222,6 @@ declare namespace display {
   /**
    * Register the callback for display changes.
    *
-   * @param { 'add' | 'remove' | 'change' } type the event of display change
    * @param { Callback<long> } callback the display id of changed
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -232,7 +231,6 @@ declare namespace display {
   /**
    * Register the callback for display changes.
    *
-   * @param { 'add' | 'remove' | 'change' } type the event of display change
    * @param { Callback<long> } callback the display id of changed
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -243,7 +241,6 @@ declare namespace display {
   /**
    * Register the callback for display changes.
    *
-   * @param { 'add' | 'remove' | 'change' } type the event of display change
    * @param { Callback<long> } callback the display id of changed
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -253,12 +250,143 @@ declare namespace display {
    * @since 20
    * @arkts 1.1&1.2
    */
-  function on(type: 'add' | 'remove' | 'change', callback: Callback<long>): void;
+  function onAdd(callback: Callback<long>): void;
+
+  /**
+   * Register the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @since 7
+   */
+  /**
+   * Register the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @atomicservice
+   * @since 12
+   */
+  /**
+   * Register the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.1&1.2
+   */
+  function onRemove(callback: Callback<long>): void;
+
+  /**
+   * Register the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @since 7
+   */
+  /**
+   * Register the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @atomicservice
+   * @since 12
+   */
+  /**
+   * Register the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.1&1.2
+   */
+  function onChange(callback: Callback<long>): void;
+
+  /**
+   * Unregister the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @since 7
+   */
+  /**
+   * Unregister the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @atomicservice
+   * @since 12
+   */
+  /**
+   * Unregister the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.1&1.2
+   */
+  function offAdd(callback?: Callback<long>): void;
+
+  /**
+   * Unregister the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @since 7
+   */
+  /**
+   * Unregister the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @atomicservice
+   * @since 12
+   */
+  /**
+   * Unregister the callback for display changes.
+   *
+   * @param { Callback<long> } callback the display id of changed
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @crossplatform
+   * @atomicservice
+   * @since 20
+   * @arkts 1.1&1.2
+   */
+  function offRemove(callback?: Callback<long>): void;
 
   /**
    * Unregister the callback for display changes.
    *
-   * @param { 'add' | 'remove' | 'change' } type the event of display change event
    * @param { Callback<long> } callback the display id of changed
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -268,7 +396,6 @@ declare namespace display {
   /**
    * Unregister the callback for display changes.
    *
-   * @param { 'add' | 'remove' | 'change' } type the event of display change event
    * @param { Callback<long> } callback the display id of changed
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -279,7 +406,6 @@ declare namespace display {
   /**
    * Unregister the callback for display changes.
    *
-   * @param { 'add' | 'remove' | 'change' } type the event of display change event
    * @param { Callback<long> } callback the display id of changed
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -289,12 +415,11 @@ declare namespace display {
    * @since 20
    * @arkts 1.1&1.2
    */
-  function off(type: 'add' | 'remove' | 'change', callback?: Callback<long>): void;
+  function offChange(callback?: Callback<long>): void;
 
   /**
    * Register the callback for private mode changes.
    *
-   * @param { 'privateModeChange' } type the event of private mode changes
    * @param { Callback<boolean> } callback Callback used to return the result whether display is on private mode or not
    * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
@@ -304,12 +429,11 @@ declare namespace display {
    * @since arkts {'1.1':'10', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  function on(type: 'privateModeChange', callback: Callback<boolean>): void;
+  function onPrivateModeChange(callback: Callback<boolean>): void;
 
   /**
    * Unregister the callback for private mode changes.
    *
-   * @param { 'privateModeChange' } type the event of private mode changes
    * @param { Callback<boolean> } callback Callback used to return the result whether display is on private mode or not
    * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
@@ -319,7 +443,7 @@ declare namespace display {
    * @since arkts {'1.1':'10', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  function off(type: 'privateModeChange', callback?: Callback<boolean>): void;
+  function offPrivateModeChange(callback?: Callback<boolean>): void;
 
   /**
    * Check whether the device is foldable.
@@ -384,7 +508,6 @@ declare namespace display {
   /**
    * Register the callback for fold status changes.
    *
-   * @param { 'foldStatusChange' } type the event of fold status changes
    * @param { Callback<FoldStatus> } callback Callback used to return the current fold status of device
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -395,7 +518,6 @@ declare namespace display {
   /**
    * Register the callback for fold status changes.
    *
-   * @param { 'foldStatusChange' } type the event of fold status changes
    * @param { Callback<FoldStatus> } callback Callback used to return the current fold status of device
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -407,7 +529,6 @@ declare namespace display {
   /**
    * Register the callback for fold status changes.
    *
-   * @param { 'foldStatusChange' } type the event of fold status changes
    * @param { Callback<FoldStatus> } callback Callback used to return the current fold status of device
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -418,12 +539,11 @@ declare namespace display {
    * @since 20
    * @arkts 1.1&1.2
    */
-  function on(type: 'foldStatusChange', callback: Callback<FoldStatus>): void;
+  function onFoldStatusChange(callback: Callback<FoldStatus>): void;
 
   /**
    * Unregister the callback for fold status changes.
    *
-   * @param { 'foldStatusChange' } type the event of fold status changes
    * @param { Callback<FoldStatus> } callback Callback used to return the current fold status of device
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -434,7 +554,6 @@ declare namespace display {
   /**
    * Unregister the callback for fold status changes.
    *
-   * @param { 'foldStatusChange' } type the event of fold status changes
    * @param { Callback<FoldStatus> } callback Callback used to return the current fold status of device
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -446,7 +565,6 @@ declare namespace display {
   /**
    * Unregister the callback for fold status changes.
    *
-   * @param { 'foldStatusChange' } type the event of fold status changes
    * @param { Callback<FoldStatus> } callback Callback used to return the current fold status of device
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -457,12 +575,11 @@ declare namespace display {
    * @since 20
    * @arkts 1.1&1.2
    */
-  function off(type: 'foldStatusChange', callback?: Callback<FoldStatus>): void;
+  function offFoldStatusChange(callback?: Callback<FoldStatus>): void;
 
   /**
    * Register the callback for fold angle changes.
    *
-   * @param { 'foldAngleChange' } type the event of fold angle changes.
    * @param { Callback<Array<double>> } callback Callback used to return the current fold angle of device.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -474,7 +591,6 @@ declare namespace display {
   /**
    * Register the callback for fold angle changes.
    *
-   * @param { 'foldAngleChange' } type the event of fold angle changes.
    * @param { Callback<Array<double>> } callback Callback used to return the current fold angle of device.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -485,12 +601,11 @@ declare namespace display {
    * @since 20
    * @arkts 1.1&1.2
    */
-  function on(type: 'foldAngleChange', callback: Callback<Array<double>>): void;
+  function onFoldAngleChange(callback: Callback<Array<double>>): void;
 
   /**
    * Unregister the callback for fold angle changes.
    *
-   * @param { 'foldAngleChange' } type the event of fold angle changes.
    * @param { Callback<Array<double>> } callback Callback used to return the current fold angle of device.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -502,7 +617,6 @@ declare namespace display {
   /**
    * Unregister the callback for fold angle changes.
    *
-   * @param { 'foldAngleChange' } type the event of fold angle changes.
    * @param { Callback<Array<double>> } callback Callback used to return the current fold angle of device.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -513,12 +627,11 @@ declare namespace display {
    * @since 20
    * @arkts 1.1&1.2
    */
-  function off(type: 'foldAngleChange', callback?: Callback<Array<double>>): void;
+  function offFoldAngleChange(callback?: Callback<Array<double>>): void;
 
   /**
    * Register the callback for device capture, casting, or recording status changes.
    *
-   * @param { 'captureStatusChange' } type the event of capture, casting, or recording status changes.
    * @param { Callback<boolean> } callback Callback used to return the device capture, casting, or recording status.
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -528,12 +641,11 @@ declare namespace display {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  function on(type: 'captureStatusChange', callback: Callback<boolean>): void;
+  function onCaptureStatusChange(callback: Callback<boolean>): void;
 
   /**
    * Unregister the callback for device capture, casting, or recording status changes.
    *
-   * @param { 'captureStatusChange' } type the event of capture, casting, or recording status changes.
    * @param { Callback<boolean> } callback Callback used to return the device capture, casting, or recording status .
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    * <br>2. Incorrect parameter types.
@@ -543,7 +655,7 @@ declare namespace display {
    * @since arkts {'1.1':'12', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  function off(type: 'captureStatusChange', callback?: Callback<boolean>): void;
+  function offCaptureStatusChange(callback?: Callback<boolean>): void;
 
 
   /**
@@ -620,7 +732,6 @@ declare namespace display {
   /**
    * Register the callback for fold display mode changes.
    *
-   * @param { 'foldDisplayModeChange' } type the event of fold display mode changes
    * @param { Callback<FoldDisplayMode> } callback Callback used to return the current fold display mode
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -631,7 +742,6 @@ declare namespace display {
   /**
    * Register the callback for fold display mode changes.
    *
-   * @param { 'foldDisplayModeChange' } type the event of fold display mode changes
    * @param { Callback<FoldDisplayMode> } callback Callback used to return the current fold display mode
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -643,7 +753,6 @@ declare namespace display {
   /**
    * Register the callback for fold display mode changes.
    *
-   * @param { 'foldDisplayModeChange' } type the event of fold display mode changes
    * @param { Callback<FoldDisplayMode> } callback Callback used to return the current fold display mode
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -654,12 +763,11 @@ declare namespace display {
    * @since 20
    * @arkts 1.1&1.2
    */
-  function on(type: 'foldDisplayModeChange', callback: Callback<FoldDisplayMode>): void;
+  function onFoldDisplayModeChange(callback: Callback<FoldDisplayMode>): void;
 
   /**
    * Unregister the callback for fold display mode changes.
    *
-   * @param { 'foldDisplayModeChange' } type the event of fold display mode changes
    * @param { Callback<FoldDisplayMode> } callback Callback used to return the current fold display mode
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -670,7 +778,6 @@ declare namespace display {
   /**
    * Unregister the callback for fold display mode changes.
    *
-   * @param { 'foldDisplayModeChange' } type the event of fold display mode changes
    * @param { Callback<FoldDisplayMode> } callback Callback used to return the current fold display mode
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -682,7 +789,6 @@ declare namespace display {
   /**
    * Unregister the callback for fold display mode changes.
    *
-   * @param { 'foldDisplayModeChange' } type the event of fold display mode changes
    * @param { Callback<FoldDisplayMode> } callback Callback used to return the current fold display mode
    * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
    *     2. Incorrect parameter types.
@@ -693,7 +799,7 @@ declare namespace display {
    * @since 20
    * @arkts 1.1&1.2
    */
-  function off(type: 'foldDisplayModeChange', callback?: Callback<FoldDisplayMode>): void;
+  function offFoldDisplayModeChange(callback?: Callback<FoldDisplayMode>): void;
 
   /**
    * Get the fold crease region in the current display mode.
diff --git a/api/@ohos.screen.d.ts b/api/@ohos.screen.d.ts
index a0955a35a5dec605cd8cd32efcb1291d3f1b6ba4..89023955bc13c05eea29bb09b452a450f060959c 100644
--- a/api/@ohos.screen.d.ts
+++ b/api/@ohos.screen.d.ts
@@ -60,7 +60,6 @@ declare namespace screen {
   /**
    * Register the callback for screen changes.
    *
-   * @param { 'connect' | 'disconnect' | 'change' } eventType the event of screen changes. This parameter is of string
    * type and cannot be empty.
    * @param { Callback<long> } callback Callback used to return the screen ID. This parameter is callable.
    * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
@@ -71,13 +70,70 @@ declare namespace screen {
    * @since arkts {'1.1':'9', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  function on(eventType: 'connect' | 'disconnect' | 'change', callback: Callback<long>): void;
+  function onConnect(callback: Callback<long>): void;
 
   /**
-   * Unregister the callback for screen changes.
+   * Register the callback for screen changes.
+   *
+   * @param { Callback<long> } callback Callback used to return the screen ID. This parameter is callable.
+   * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  function onDisconnect(callback: Callback<long>): void;
+
+  /**
+   * Register the callback for screen changes.
    *
-   * @param { 'connect' | 'disconnect' | 'change' } eventType the event of screen changes. This parameter is of string
    * type and cannot be empty.
+   * @param { Callback<long> } callback Callback used to return the screen ID. This parameter is callable.
+   * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  function onChange(callback: Callback<long>): void;
+
+  /**
+   * Unregister the callback for screen changes.
+   *
+   * @param { Callback<long> } callback Callback used to return the screen ID. If this parameter is specified, it must
+   * be a callback.
+   * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  function offChange(callback?: Callback<long>): void;
+
+  /**
+   * Unregister the callback for screen changes.
+   *
+   * @param { Callback<long> } callback Callback used to return the screen ID. If this parameter is specified, it must
+   * be a callback.
+   * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
+   * @throws { BusinessError } 401 - Parameter error. Possible causes: 1. Mandatory parameters are left unspecified.
+   * <br>2. Incorrect parameter types.
+   * @syscap SystemCapability.WindowManager.WindowManager.Core
+   * @systemapi Hide this for inner system use.
+   * @since arkts {'1.1':'9', '1.2':'20'}
+   * @arkts 1.1&1.2
+   */
+  function offDisconnect(callback?: Callback<long>): void;
+
+  /**
+   * Unregister the callback for screen changes.
+   *
    * @param { Callback<long> } callback Callback used to return the screen ID. If this parameter is specified, it must
    * be a callback.
    * @throws { BusinessError } 202 - Permission verification failed. A non-system application calls a system API.
@@ -88,7 +144,7 @@ declare namespace screen {
    * @since arkts {'1.1':'9', '1.2':'20'}
    * @arkts 1.1&1.2
    */
-  function off(eventType: 'connect' | 'disconnect' | 'change', callback?: Callback<long>): void;
+  function offChange(callback?: Callback<long>): void;
 
   /**
    * Make screens as expand-screen