# github.com/kataras/iris/core/router
..\github.com\kataras\iris\core\router\path.go:242:10: undefined: strings.ReplaceAll
..\github.com\kataras\iris\core\router\path.go:243:10: undefined: strings.ReplaceAll
string.ReplaceAll是golang1.12版本才有的,你版本低了