1. 优化搜索页UI, 给搜索栏更多空间，如果有其他建议欢迎反馈。
2. 支持提供多个标签的建议。现在可以通过空格分隔多个标签，并提供最后一个标签的搜索建议。
3. 现在在搜索结果页点击搜索栏会自动跳转到搜索建议页
4. 优化快速搜索标签过多时，底部的标签难以点到的问题
5. 更新改变下载路径时的提示(请不要使用SD卡或系统路径)

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1. Optimize the UI of search page, arrange more space to the search bar, any other suggestions are welcome.
2. Support multiple tag suggestions. You can get it by inserting space between tags.
3. Optimize the logic with tapping search bar.
4. Fix the problem in quick search drawer that the bottom tags are hard to click when there are too many tags.
5. Update hint when changing download path(do not use SD-Card or any system path to avoid related errors)