1. When creating a react project, because the state value of the component will be reset to the initial value when using the webpack-hot-middleware hot update page, the component of react-hot-loader will be used to deal with it, but no matter how to set it, it will not take effect. I don"t know why
2. 
it seems that you didn't use a decorator to wrap the components.
import {hot} from 'react-hot-loader';
export default hot(module)(Counter);
or decorator syntax for the stage phase, which requires additional plug-ins for babel
import {hot} from 'react-hot-loader';
@hot(module)
export default Counter extends Component {}Previous: Mini Program picture default width, do not write inline style how to remove?
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