{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"A common problem is running out of disk space, how can it be solved?","a":"Optimize the operating system: Update the system and software patches, and close unnecessary services and  programs to reduce the disk space occupation."}]}],"pr":"f55ee9854417577d760a27d87a18662399426efda2ff14c2803a124f82d1d8df"}