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Hello: When I create a UVC+HID compliant device, I encounter a problem. After the UVC and HID enumeration is completed, the host issues the SET FEATURE command (content: 01 03 00 00 02 01 00 00) when the host sends this. After the command, HID cannot send a report, but UVC works normally. If I start UVC and send a report to start HID before the host sends SET FEATURE, both UVC and HID are working properly. Why?