message: refactor(options): add content identifier
diff: @@ -131,6 +131,7 @@ export class OptionsMain extends React.Component<
  </Sider>
  <Layout style={{ padding: '24px', minHeight: innerHeight - 64 }}>
  <Content
  + data-option-content={this.state.selectedKey}
  style={{
  background: '#fff',
  padding: 24,
  