ubuntu24下keychorn键盘连接不了的改建页面的问题修复
网页：https://launcher.keychron.com/#/keymap
点击连接连不上设备
chrome 没有访问权限，打开chrome://device-log/
HIDEvent[21:41:41] Failed to open '/dev/hidraw1': FILE_ERROR_ACCESS_DENIEDHIDEvent[21:41:41] Access denied opening device read-write, trying read-only.HIDEvent[21:41:11] Failed to open '/dev/hidraw1': FILE_ERROR_ACCESS_DENIEDHIDEvent[21:41:11] Access denied opening device read-write, trying read-only.HIDUser[21:38:51] HID device added: vendorId=13364, productId=2368, name='Keychron Keychron V4 Max', serial='', deviceIds=['/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.2/0003:3434:0940.000B/hidraw/hidraw2'], reportDescriptor='BQEJAqEBhQIJAaEABQkZASkIFQAlAZUIdQGBAgUBCTAJMRWBJX+VAnUIgQYJOBWBJX+VAXUIgQYFDAo4AhWBJX+VAXUIgQbAwAUBCYChAYUDGQEqtwAVASa3AJUBdRCBAMAFDAkBoQGFBBkBKqACFQEmoAKVAXUQgQDABQEJBqEBhQYFBxngKecVACUBlQh1AYECBQcZACnvFQAlAZXwdQGBAgUIGQEpBZUFdQGRApUBdQORAcA='HIDUser[21:38:51] HID device added: vendorId=13364, productId=2368, name='Keychron Keychron V4 Max', serial='', deviceIds=['/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:3434:0940.0009/hidraw/hidraw0'], reportDescriptor='BQEJBqEBBQcZ4CnnFQAlAZUIdQGBApUBdQiBAQUHGQAp/xUAJv8AlQZ1CIEABQgZASkFFQAlAZUFdQGRApUBdQORAcA='HIDUser[21:38:51] HID device added: vendorId=13364, productId=2368, name='Keychron Keychron V4 Max', serial='', deviceIds=['/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.1/0003:3434:0940.000A/hidraw/hidraw1'], reportDescriptor='BmD/CWGhAQliFQAm/wCVIHUIgQIJYxUAJv8AlSB1CJECwA=='USBUser[21:38:51] USB device added: path=/dev/bus/usb/001/012 vendor=13364 "Keychron", product=2368 "Keychron V4 Max", serial="", guid=885c6aad-7f25-4412-9ddc-8ec56548d81fUSBUser[21:38:46] USB device removed: path=/dev/bus/usb/001/004 guid=2eda55db-9196-423c-b236-4962a3af4c6bHIDUser[21:38:46] HID device removed: deviceId='/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.2/0003:3434:0940.0003/hidraw/hidraw2'HIDUser[21:38:46] HID device removed: deviceId='/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.1/0003:3434:0940.0002/hidraw/hidraw1'HIDUser[21:38:46] HID device removed: deviceId='/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/0003:3434:0940.0001/hidraw/hidraw0'HIDEvent[21:38:22] Failed to open '/dev/hidraw4': FILE_ERROR_ACCESS_DENIEDHIDEvent[21:38:22] Access denied opening device read-write, trying read-only.HIDEvent[21:37:50] Failed to open '/dev/hidraw1': FILE_ERROR_ACCESS_DENIEDHIDEvent[21:37:50] Access denied opening device read-write, trying read-only.
发现/dev/hidraw4 无法连接，没有权限
使用命令：
sudo chmod a+rw /dev/hidraw4
sudo chmod a+rw /dev/hidraw1
刷新连接网页后能正常连接