hi,
Sorry for my careless, Packetracer WP7 v1.04 has one serious bug that parcel can not be saved.
V1.05 with Hotfix is released today, and at Market Place need wait 3-5 days for the review.

全球快递追踪Packetracer WP7 v1.04版有个严重问题，导致无法保存单号。
新版v1.05已经发布并且提交，Market Place需要等待审核3－5天。敬请谅解。