Stack

/usr/lib/golang/src/runtime/panic.go:969
/usr/lib/golang/src/runtime/panic.go:88
/data/isv2/models/blockInfoModel.go:56
/data/isv2/controllers/web/index.go:53
/usr/lib/golang/src/reflect/value.go:476
/usr/lib/golang/src/reflect/value.go:337
/root/go/pkg/mod/github.com/astaxie/beego@v1.12.3/router.go:897
/usr/lib/golang/src/net/http/server.go:2843
/usr/lib/golang/src/net/http/server.go:1925
/usr/lib/golang/src/runtime/asm_amd64.s:1374