public void OnSendTextMsgClick()
{
var msg = IM.SendTextMessage(userIDInput.text, ChatType.PrivateChat, textMsgInput.text, (code, textMsgObj) => {
if (code == StatusCode.Success)
{
Log2UI("发送：" + textMsgObj.content + " 成功");
}
else
{
Log2UI("发送：" + textMsgObj.content + " 失败");
}
});
}