修复 magisk 上 overlay 模块导致无法开机的问题 ^1 优化 customize.sh

^1: Magisk 用户可能会看到 ZN Magisk Compat 出现在模块列表中，这是 ZN 生成的临时模块，用于完成挂载 zygisk 模块包含的文件、加载 system.prop 以及挂载 znctl 等工作，该模块不会复制文件占用实际存储空间，并且随 ZN 的禁用 / 卸载而移除，请放心使用

Fix the problem of overlay module on magisk causing the device to not boot ^1 Refine customize.sh

^1: Magisk users may see ZN Magisk Compat appear in the module list. This is a temporary module generated by ZN, which is used to complete tasks such as mounting files included in the zygisk module, loading system.prop, and mounting znctl. This module will not copy files to occupy actual storage space, and will be removed when ZN is disabled/uninstalled. Please feel free to use it.