863211請進 還是post decision activity的問題

863211 我今天剛剛收到這封信：不知道你以前有沒有碰到過這種情況。我這是親屬移民，又不是婚姻移民，怎麽這麽麻煩，真是折磨人，welcome notice是19日發的，下麵這信是23日發的。非常感謝！

After review ,we have reopened the above application or petition ,or reconsidered the decision

previously issued.you will receive a notice under separate cover once all action has been completed.