出现滚动条后，如何实现自动滚动的目标位置（可以是底部）🤔 [QUESTION]

### 🐛 Question description [Please make everyone to understand it]

### 💻 Link to minimal reproduction

Please provide a link by forking these links [g2plot](https://codesandbox.io/s/g2plot-reproduction-template-gyej1) or GitHub repo. What is a minimal reproduction, and why is it required?

### 🏞 Expected result

### 🚑 Any additional [like screenshots]

* **G2Plot Version**:
* **Platform**:

The issue body contains no concrete reproduction, file, test, or entry point. First obtain the missing scrolling scenario and expected target behavior; completion cannot be defined from the current payload.

Written by the indexing model from the issue text.