v6.3.1+112

1. 修复安卓7版本以下的设备在线阅读加载图片失败的bug
2. 测试支持安卓和苹果部分机型的高刷

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1. Fix the bug that cannot load images in online reading mode on devices with Android 7 or below
2. Support high refresh rate on some Android and iOS devices(experimentally)