I cannot read Chinese, so I google-translated your question into English.
astah can not customize the hot key, the current software fixed hotkey function can not be customized to modify, I usually use no mouse, through the touchpad to use, such as zoom / zoom these operations can not be operated by the keyboard, it is inconvenient, please Optimization, thank you!
You can customize the keybinds of Zoom in/out operations by following the instruction here, however it is a bit tricky.
You will need to change the value in two lines.
Please make sure to change values in both lines.
- Line 82 & 84 from the top
- Line155 & 157 from the top