 [代码地址](https://link.segmentfault.com/?enc=JHDXt5aKNBG8xyss3lzacA%3D%3D.qHFWZZyDcUcWPrleX51015zKRzcowNFR2dOVxtGifzVQmnBpBadqWISZw5NWd9rDHs%2BEOix8uyk5w0Kkmomn8f6WRc84o2kSguvs7zJODzhijfFxU9jLxdBREOK1OS9C3EDiQnfwINlagBrHfFXnFaP9MJeUkvgMJcp4yQo8wx%2F9SZI4kl1Bwao9txymtlLhfJkPmJHA3hNJoTPKiRoz7Txbakfhuvog%2BHUPKo2haEkuNZbq74vTroIVm7jE5LavZRgqyKa3KpYPtdMG9q2Wf9DnDXxEswBzSjnGlTIjyPQWiNewXvBwOBgfW9wXL4uP%2B4%2BJs73u9KrlJuiYDTDdC7%2BTAEuhG3%2BhnuaPicK39Rbybe%2FTPMjtceEj6xB%2BVULkrWTECZVwP0g%2FYG6bLIi4Y7RRrkzhTP2hjJsjQk4hkdr4avKAImS5wYjvV5B6onEZ5l3FwYPzcmyeyavsECV%2FmLpIooAT9FDqQBAXAfFxeT4juGXC4Pty2hsCET8HDD0sBN5DwWTEf9rjrjyT%2FERmFky409CiFy3dUgxsz%2B6gDk9ow6WZMS%2FjsvS3OAERWk%2BigesQlZmsazEwEbR1pePASSTcTrLmubyMxVX0NlB9iLQfKGX25PSWy%2FI24tZvH01s2WAoHNJmecu6rTZ2S%2FtTj9bacfjDOnYQj1pljLWXhd0PD7IxedAN2IY4vfaDm3a39nfkk8ilBowgbgvMjXceOxvIkolBan7PkDqyYjl6rHXdJF6XFjQwvtExkzah%2FBshLKgzgXUBoEUrsBiplNt1sg34PNhyGQElBQ3kKxIixK1Wn1%2BrHIn4RmH%2BwrkCW57VnVGslbd8eEZFJv39yEirXTMkSFk2bQkTtUaYtbMG08%2BVoq4q2JPILSUiXGo%2B8ahYrTOKbha0ggVeD8hUE0S%2F578uXZPytGS7Y3ymlD8GicAus7C1do1BbiQpL7zMssXPG8PVyXDjM%2BUf4lRNprl3zJJ2twRdsRKf9bV4SPCYEiVtWqbfGt7vdVteMsDbnAbFPewGFr13BZi7fD3tAeIpURg4cK%2By6EwWWI4t%2BnafSBGJKCVYth7voHGb6hqt2Fq2qc8DDnw8kdSOwfSAxSh0TxWzbmU62Jbp391jCqNi6i8AjdDW4OrfR4f64ZeM9k7Ec3p7PNXq%2BBKL64uAQII7mudjhDEoTVcJUzKsC2%2F4NljFMFZ1l6weQMbFuQwb3M5QWIPV5H%2BzelWCAt8K0RCVT5V8GjlVgXRQh06YxUCMf1IxlPgeJ0dJVcWGT8qulDPfOU3tDQ%2FuiTzqdhHoM1YsZtdkKcmFkFceBPiER2bKzCyAyiwZUCXqD0etoI6B0t4zIB%2Fp9q0SprI00K357khMl6i0nc2drelQynL%2FZbSoz8jSQ%2FsJPb1dmlR4rRsM3kFnB7c6cbqUpYESwJbEjFyNBzxRgo0uKElGvNCNt0GbMoZNQgH2bRSSduLpXNK8MSkK) 1. 是我用法有问题吗?错误是什么? 2. 如果不是: * `checkedList` 为什么会自己补全? * 下面的报错是什么意思? * 这是`ant`的`bug`吗