Stack

/usr/local/go/src/runtime/panic.go:785
/Users/jerryli/go/pkg/mod/github.com/astaxie/beego@v1.12.3/error.go:481
/Users/jerryli/go/pkg/mod/github.com/astaxie/beego@v1.12.3/error.go:441
/Users/jerryli/go/pkg/mod/github.com/astaxie/beego@v1.12.3/router.go:785
/usr/local/go/src/net/http/server.go:3210
/usr/local/go/src/net/http/server.go:2092
/usr/local/go/src/runtime/asm_amd64.s:1700