IOS设备，Camera组件扫条形码无反应，偶发事件，微信版本7.0.12

[特洛伊没有木马]

import Taro, { Component } from '@tarojs/taro';
import {
Camera,
View,
Button
} from '@tarojs/components';

import './scanCode.less';

export default class ScanCode extends Component {
state = {
showCamera: true
};

//用户拒绝使用摄像头时，展示提示信息
handleScanError = e => {
	const { type } = e;
	if (type === 'error') {
		this.setState({ showCamera: false });
	}
};

//重新弹出摄像头授权页面
handleReAuthCamera = () => {
	const that = this;
	Taro.openSetting({
		success: res => {
			res.authSetting = {
				'scope.camera': true
			};
		}
	}).then(() => that.setState({ showCamera: true }));
};

handleScanCode = e => {
	const {
		detail: { result }
	} = e;

	console.log('eee===>', e);
};

render() {
	const { showCamera } = this.state;
	return (
		<View className="scan-view">
			<View className="scan-border">
				{showCamera ? (
					<Camera
						className="scan-camera"
						mode="scanCode"
						onError={this.handleScanError}
						onScanCode={this.handleScanCode}
						frameSize="small"
						resolution="high"
					></Camera>
				) : (
					<View className="scan-reauth">
						<Button type="primary" onClick={this.handleReAuthCamera} />
					</View>
				)}
			</View>
		</View>
	);
}

}