> For the complete documentation index, see [llms.txt](https://browndust2.gitbook.io/guide_tw/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://browndust2.gitbook.io/guide_tw/you-xi-zhi-nan/xi-tong/bei-bao/kuo-zhan-bei-bao.md).

# 擴展 背包

如果背包裝滿了，就不能進入戰鬥區域。 

點擊背包底部的新增按鈕(+)並支付金幣的話就能增加背包空格。