From d5179cccdb021232011ce7f966bbe825425bb9e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=91=9B=E4=BA=9A=E8=8A=B3?= <geyafang@huawei.com>
Date: Tue, 28 Jun 2022 02:50:25 +0000
Subject: [PATCH] update zh-cn/application-dev/device/usb-guidelines.md.
 Signed-off-by: @ge-yafang <geyafang@huawei.com>

---
 zh-cn/application-dev/device/usb-guidelines.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zh-cn/application-dev/device/usb-guidelines.md b/zh-cn/application-dev/device/usb-guidelines.md
index 97dbe7ec09..a4b96c2735 100644
--- a/zh-cn/application-dev/device/usb-guidelines.md
+++ b/zh-cn/application-dev/device/usb-guidelines.md
@@ -24,7 +24,7 @@ USB类开放能力如下，具体请查阅[API参考文档](../reference/apis/js
 | setConfiguration(pipe:&nbsp;USBDevicePipe,&nbsp;config:&nbsp;USBConfig):&nbsp;number | 设置设备的配置。 |
 | setInterface(pipe:&nbsp;USBDevicePipe,&nbsp;iface:&nbsp;USBInterface):&nbsp;number | 设置设备的接口。 |
 | claimInterface(pipe:&nbsp;USBDevicePipe,&nbsp;iface:&nbsp;USBInterface,&nbsp;force?:&nbsp;boolean):&nbsp;number | 获取接口。 |
-| function&nbsp;bulkTransfer(pipe:&nbsp;USBDevicePipe,&nbsp;endpoint:&nbsp;USBEndpoint,&nbsp;buffer:&nbsp;Uint8Array,&nbsp;timeout?:&nbsp;number):&nbsp;Promise&lt;number&gt; | 批量传输。 |
+|bulkTransfer(pipe:&nbsp;USBDevicePipe,&nbsp;endpoint:&nbsp;USBEndpoint,&nbsp;buffer:&nbsp;Uint8Array,&nbsp;timeout?:&nbsp;number):&nbsp;Promise&lt;number&gt; | 批量传输。 |
 | closePipe(pipe:&nbsp;USBDevicePipe):&nbsp;number | 关闭设备消息控制通道。 |
 | releaseInterface(pipe:&nbsp;USBDevicePipe,&nbsp;iface:&nbsp;USBInterface):&nbsp;number | 释放接口。 |
 | getFileDescriptor(pipe:&nbsp;USBDevicePipe):&nbsp;number | 获取文件描述符。 |
-- 
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