MY HACKINTOSH WON'T SLEEP!

[BrianWong11031]

iMac:~ huanghaoyuan$ sudo pmset -g assertions

2018-09-16 23:15:10 +0800 

Assertion status system-wide:

   BackgroundTask                 1

   ApplePushServiceTask           0

   UserIsActive                   1

   PreventUserIdleDisplaySleep    0

   PreventSystemSleep             0

   ExternalMedia                  1

   PreventUserIdleSystemSleep     1

   NetworkClientActive            0

   InternalPreventSleep           1

Listed by owning process:

   pid 97(hidd): [0x0000003c00098061] 00:00:00 UserIsActive named: "com.apple.iohideventsystem.queue.tickle.4294968052.3" 

    Timeout will fire in 600 secs Action=TimeoutActionRelease

   pid 782(AddressBookSourceSync): [0x000002be00018225] 00:00:05 PreventUserIdleSystemSleep named: "Address Book Source Sync" 

    Timeout will fire in 1795 secs Action=TimeoutActionTurnOff

   pid 64(mds): [0x0000002b000b800c] 00:11:13 BackgroundTask named: "com.apple.metadata.mds.power" 

   pid 53(powerd): [0x0000002200088000] 00:11:21 ExternalMedia named: "com.apple.powermanagement.externalmediamounted" 

   pid 53(powerd): [0x000002a2000d81f6] 00:00:33 InternalPreventSleep named: "com.apple.powermanagement.acwakelinger" 

    Timeout will fire in 11 secs Action=TimeoutActionRelease

Kernel Assertions: 0xc=USB,BT-HID

   id=502  level=255 0x4=USB mod=01/01/1970, 8:00 AM description=com.apple.usb.externaldevice.1d130000 owner=IT-CEO USB Device

   id=504  level=255 0x4=USB mod=01/01/1970, 8:00 AM description=com.apple.usb.externaldevice.1d110000 owner=USB 2.0 Hub

   id=506  level=255 0x4=USB mod=01/01/1970, 8:00 AM description=com.apple.usb.externaldevice.1d150000 owner=USB Receiver

   id=507  level=255 0x4=USB mod=01/01/1970, 8:00 AM description=com.apple.usb.externaldevice.1d120000 owner=Webcam C170

   id=508  level=255 0x4=USB mod=01/01/1970, 8:00 AM description=com.apple.usb.externaldevice.1d114000 owner=USB 2.0 Hub

   id=510  level=255 0x4=USB mod=01/01/1970, 8:00 AM description=com.apple.usb.externaldevice.1d114400 owner=1

   id=516  level=255 0x4=USB mod=01/01/1970, 8:00 AM description=com.apple.usb.externaldevice.1a130000 owner=Bluetooth USB Host Controller

   id=517  level=255 0x8=BT-HID mod=01/01/1970, 8:00 AM description=com.apple.driver.IOBluetoothHIDDriver owner=AppleHSBluetoothDevice

Idle sleep preventers: IODisplayWrangler

iMac:~ huanghaoyuan$ 

This is the terminal output of pmset -g assertions,