diff --git a/api/@ohos.usbManager.d.ts b/api/@ohos.usbManager.d.ts index e0f057d36..ec8c435bd 100644 --- a/api/@ohos.usbManager.d.ts +++ b/api/@ohos.usbManager.d.ts @@ -363,6 +363,9 @@ declare namespace usbManager { * @param { USBDevicePipe } pipe - device pipe, which is used to determine the bus number and device address. It cannot be empty. * @param { USBInterface } iface - USB interface, which is used to determine the interface to release. It cannot be empty. * @returns { number } returns **0** if the USB interface is successfully released; returns an error code otherwise. + * @throws { BusinessError } 401 - Parameter error. Possible causes: + *
1.Mandatory parameters are left unspecified. + *
2.Incorrect parameter types. * @syscap SystemCapability.USB.USBManager * @since 9 */