高德热力图怎么知道色值对应的数据量呢

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

### 💻 Link to minimal reproduction

Please provide a link by forking these links [LarkMap](https://codesandbox.io/s/larkmap-issue-template-c9m1hr) or GitHub repo. What is a minimal reproduction, and why is it required?

### 🏞 Expected result

### 🚑 Any additional [like screenshots]

- **LarkMap Version**:
- **Platform**:
右下角是自定义写死的，有对应的组件吗

Start with the LarkMap issue template linked in the report and inspect the heatmap example represented by the screenshot. Determine whether the requested value-to-color explanation or lower-right legend is supported by an existing component; done requires a documented or demonstrated way to expose that mapping.

Written by the indexing model from the issue text.