上一级页面：index-la

使用命令

cat A_Learning.z* > b.zip

结果报错

 (attempting to process anyway)
warning [b.zip]:  zipfile claims to be last disk of a multi-part archive;
  attempting to process anyway, assuming all parts have been concatenated
  together in order.  Expect "errors" and warnings...true multi-part support
  doesn't exist yet (coming soon).
warning [b.zip]:  1048576000 extra bytes at beginning or within zipfile
  (attempting to process anyway)
file #1:  bad zipfile offset (local header sig):  1048576004
  (attempting to re-compensate)
   creating: A_Learning/
error: invalid zip file with overlapped components (possible zip bomb)

警告[b.zip]：zipfile 声称是多部分存档的最后一个磁盘； 无论如何都尝试处理，假设所有部分都已连接

意思是错误的zip头

正确的解压方法

找到zip头A_Learning.zip 对zip头作修复处理，结果输出为full.zip

zip -F A_Learning.zip --out full.zip

正常解压

unzip full.zip