uniapp清除指定key缓存

onLaunch: function () {
        console.log('App Launch')
        const preservedKeys = ['ishowFixPre', 'readTime']
        try {
            const { keys } = uni.getStorageInfoSync()
            keys.forEach((key) => {
                // 如果键不在保留键数组中，则删除存储项
                if (!preservedKeys.includes(key)) {
                    uni.removeStorageSync(key)
                }
            })
        } catch (err) {
            // error
            console.log('e', err)
        }
    },