diff --git a/usb/usb_standard/signature/openharmony_sx.p7b b/usb/usb_standard/signature/openharmony_sx.p7b
index 9be1e98fa4c0c28ca997ed660112fa16b194f0f5..39afef4bda46a8df830afb23125c798e9eba678a 100644
Binary files a/usb/usb_standard/signature/openharmony_sx.p7b and b/usb/usb_standard/signature/openharmony_sx.p7b differ