package account
// easyjson:json
type MemberSt struct {
      IsRecUser int64             //`json:"is_rec_user,omitempty"`
}

easyjson structs.go

package account
import "xxx"
func demo(){
    xxx.yyy()
}

easyjson structs.go

demo.go:3:8: cannot find package "xxx" in any of:
/usr/local/go/src/xxx (from $GOROOT)
/Users/uuu/goPath/src/xxx (from $GOPATH)
...
Bootstrap failed: exit status 1

/Users/uu/src/github.xx/structs_easyjson.go.tmp:1:1: expected 'package', found '['