安装代码的url应该是http://localhost:8080/seckill/1001/b96c4e861852dd98214e508af2a003a3/execution
为什么会变成
http://localhost:8080/seckill/1001/seckill/1001/b96c4e861852dd98214e508af2a003a3/execution
解决了,自己粗心了