Try the newest firmware, and report to us the result.
Sorry,I have try the newest firmware V1.30.1, and updated CH, bu it still doesn't work with my keyboard.
I used to write a driver of this keyboard for MacOS, this is the HID report,I hope this could help you:
===report:
idVendor: 1382
idProduct: 12387
bcdDevice: 256
bConfigurationValue: 1
bInterfaceNumber: 0
hidReportDescriptor: !binary |-
BQEJBqEBBQgZASkDFQAlAXUBlQORApUFkQEFBxngKeeVCIECGQQpKAlPCVAJ
KwksCVEJUpUrgQIJU5UBgQIZWSlklQyBAhk8KU4JKQkqCS0JLhUAJQGVF4EC
GVMpWJUGgQIZMCk7lQyBAhmFKYuVB4ECGZAplpUGgQIJZQkvlQKBAnUIlQGB
AcA=