diff --git a/zh-cn/application-dev/reference/apis-basic-services-kit/js-apis-pasteboard.md b/zh-cn/application-dev/reference/apis-basic-services-kit/js-apis-pasteboard.md
index 3212f8bd9a0d658de3a042c09ab949ad2c158a3c..c4fcd76234a65fe7a46cab70d762b2d167c6f130 100644
--- a/zh-cn/application-dev/reference/apis-basic-services-kit/js-apis-pasteboard.md
+++ b/zh-cn/application-dev/reference/apis-basic-services-kit/js-apis-pasteboard.md
@@ -1516,6 +1516,195 @@ systemPasteboard.hasData((err: BusinessError, data: boolean) => {
 });
 ```
 
+
+
+
+
+
+
+
+### setUnifiedData<sup>12+</sup>
+
+setData(data: unifiedDataChannel.UnifiedData): Promise&lt;void&gt;
+
+将数据写入系统剪贴板，使用Promise异步回调。
+
+**系统能力：** SystemCapability.MiscServices.Pasteboard
+
+**参数：**
+
+| 参数名 | 类型 | 必填 | 说明 |
+| -------- | -------- | -------- | -------- |
+| data | unifiedDataChannel.UnifiedData | 是 | UnifiedData对象。 |
+
+**返回值：**
+
+| 类型 | 说明 |
+| -------- | -------- |
+| Promise&lt;void&gt; | 无返回结果的Promise对象。 |
+
+**错误码：**
+
+以下错误码的详细介绍请参见[剪贴板错误码](errorcode-pasteboard.md)。
+
+| 错误码ID | 错误信息 |
+| -------- | -------- |
+| 12900003 | Another copy or paste is in progress. |
+| 12900004 | Replication is prohibited. |
+
+**示例：**
+
+```ts
+import { BusinessError } from '@ohos.base';
+import pasteboard from '@ohos.pasteboard.d.ts';
+import unifiedDataChannel from '@ohos.data.unifiedDataChannel';
+
+let plainTextData = new unifiedDataChannel.unifiedData();
+let plainText = new unifiedDataChannel.PlainText();
+plainText.details = {
+    Key: 'delayPlaintext',
+    Value: 'delayPlaintext',
+};
+plainText.textContext = 'delayTextContent';
+plainText.abstract = 'delayTextContent';
+plainTextData.addRecord(plainText);
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.setUnifiedData(plainTextData).then((data: void) => {
+    console.info('Succeeded in setting PasteData.');
+}).catch((err: BusinessError) => {
+    console.error('Failed to set PasteData. Cause: ' + err.message);
+});
+```
+
+### getUnifiedData<sup>12+</sup>
+
+getUnifiedData(): Promise&lt;PasteData&gt;
+
+读取系统剪贴板内容，使用Promise异步回调。
+
+**需要权限**：ohos.permission.READ_PASTEBOARD
+
+**系统能力：** SystemCapability.MiscServices.Pasteboard
+
+**返回值：**
+
+| 类型 | 说明 |
+| -------- | -------- |
+| Promise&lt;[UnifiedData](#pastedata)&gt; | Promise对象，返回系统剪贴板数据。 |
+
+**错误码：**
+
+以下错误码的详细介绍请参见[剪贴板错误码](errorcode-pasteboard.md)。
+
+| 错误码ID | 错误信息 |
+| -------- | -------- |
+| 12900003 | Another copy or paste is in progress. |
+
+**示例：**
+
+```ts
+import { BusinessError } from '@ohos.base';
+import pasteboard from '@ohos.pasteboard.d.ts';
+import unifiedDataChannel from '@ohos.data.unifiedDataChannel';
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+systemPasteboard.getUnifiedData().then((data: void) => {
+    let records = data.getRecords();
+    for (let j = 0; j < records.length; j++) {
+        if (records[j].getType() === uniformTypeDescriptor.UniformDataType.PLAIN_TEXT) {
+            let text = records[j] as unifiedDataChannel.PlainText;
+            console.info(`${i + 1}.${text.textContent}`);
+        }
+    }
+}).catch((err: BusinessError) => {
+    console.error('Failed to get UnifiedData. Cause: ' + err.message);
+});
+```
+
+
+### getUnifiedDataSync<sup>12+</sup>
+
+getUnifiedDataSync(): UnifiedData
+
+读取系统剪贴板内容, 此接口为同步接口。
+
+**需要权限**：ohos.permission.READ_PASTEBOARD
+
+**系统能力：** SystemCapability.MiscServices.Pasteboard
+
+**返回值：**
+
+| 类型                    | 说明                 |
+| ----------------------- | -------------------- |
+| [UnifiedDataSync](#pastedata) | 返回系统剪贴板数据。 |
+
+**错误码：**
+
+以下错误码的详细介绍请参见[剪贴板错误码](errorcode-pasteboard.md)。
+
+| 错误码ID | 错误信息 |
+| -------- | -------- |
+| 12900005 | Request time out. |
+
+**示例：**
+
+```ts
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+try {
+    let result: unifiedDataChannel.UnifiedData = systemPasteboard.getUnifiedDataSyncSync();
+    console.info('Succeeded in getting PasteData.');
+} catch (err) {
+    console.error('Failed to get PasteData. Cause:' + err.message);
+};   
+```
+
+### setUnifiedDataSync<sup>12+</sup>
+
+setUnifiedDataSync(data: UnifiedData): void
+
+将数据写入系统剪贴板, 此接口为同步接口。
+
+**系统能力：** SystemCapability.MiscServices.Pasteboard
+
+**参数：**
+
+| 参数名 | 类型                    | 必填 | 说明             |
+| ------ | ----------------------- | ---- | ---------------- |
+| data   | [UnifiedData](#pastedata) | 是   | 需要写入剪贴板中的数据。 |
+
+**错误码：**
+
+以下错误码的详细介绍请参见[剪贴板错误码](errorcode-pasteboard.md)。
+
+| 错误码ID | 错误信息 |
+| -------- | -------- |
+| 401 | Type of data is not UnifiedData. |
+| 12900005 | Request time out. |
+
+**示例：**
+
+```ts
+let plainTextData = new unifiedDataChannel.unifiedData();
+let plainText = new unifiedDataChannel.PlainText();
+plainText.details = {
+    Key: 'delayPlaintext',
+    Value: 'delayPlaintext',
+};
+plainText.textContext = 'delayTextContent';
+plainText.abstract = 'delayTextContent';
+plainTextData.addRecord(plainText);
+
+let systemPasteboard: pasteboard.SystemPasteboard = pasteboard.getSystemPasteboard();
+try {
+    systemPasteboard.setUnifiedDataSync(pasteData);
+    console.info('Succeeded in setting PasteData.');
+} catch (err) {
+    console.error('Failed to set PasteData. Cause:' + err.message);
+};  
+```
+
+
 ### hasData<sup>9+</sup>
 
 hasData(): Promise&lt;boolean&gt;