1. [SSH] Optimize the representation of SSH multi-layer Jump server crossing.
  2. [SSH] Add functions for SSH tunneling, including port mapping and SOCK4/5 proxy.
  3. [SFTP] Function optimization to fix the defect of failed deletion of local folders.
  4. [SFTP] Function optimization, adding column sorting function and numerical friendliness display optimization.
  5. [SFTP] Function optimization to increase display transmission speed.
  6. [Administrator] Add multiple special function switches.
  7. [Administrator] Add the switch for tunnel guard mode.