msg.setFrom(store.getBuddyByUin(fromUin));
msg.setDate(new Date(pollData.getLong("time") * 1000));
if (msg.getFrom() == null) {
QQUser member = store.getStrangerByUin(fromUin); // 搜索陌生人列表
if (member == null) {
member = new QQHalfStranger();
member.setUin(fromUin);
store.addStranger((QQStranger) member);
}
msg.setFrom(member);
}