https://pan.bjtang.com/miko/mikoFile/dataNode/    
{
  "data": "com.bjtang.miko.dao.DiskMapper.updateById (batch index #1) failed. Cause: java.sql.BatchUpdateException: Lock wait timeout exceeded; try restarting transaction\n; Lock wait timeout exceeded; try restarting transaction; nested exception is java.sql.BatchUpdateException: Lock wait timeout exceeded; try restarting transaction",
  "msg": "未知错误",
  "status": 500
}