Mac:查看ios simulator文件
instruments -s devices
cd ~/Library/Developer/CoreSimulator/Devices/FB6D4B5B-45FF-4D04-88F0-4BD3853B19E5/data
# /Users/hfli/Library/Developer/CoreSimulator/Devices/FB6D4B5B-45FF-4D04-88F0-4BD3853B19E5/data/Containers/Data/Application/BDA9DF5B-5CE1-4936-B0AA-B54110237D1C/Documents/okapia.db