diff --git a/server/2015Remote/2015RemoteDlg.cpp b/server/2015Remote/2015RemoteDlg.cpp
index c65b7e6..438e9e2 100644
--- a/server/2015Remote/2015RemoteDlg.cpp
+++ b/server/2015Remote/2015RemoteDlg.cpp
@@ -739,7 +739,11 @@ BEGIN_MESSAGE_MAP(CMy2015RemoteDlg, CDialogEx)
     // 启用 LVM_SETUNICODEFORMAT 后，列表实际发送的是 LVN_GETDISPINFOW（即便工程是 MBCS）。
     // MBCS 工程里 LVN_GETDISPINFO == LVN_GETDISPINFOA，两者码值不同，需各自映射。
     ON_NOTIFY(LVN_GETDISPINFOW, IDC_ONLINE, &CMy2015RemoteDlg::OnGetDispInfoW)
+    // m_CList_Online 启用 LVM_SETUNICODEFORMAT(TRUE) 后，列头会发 HDN_ITEMCLICKW；
+    // MBCS 工程里 HDN_ITEMCLICK == HDN_ITEMCLICKA，码值跟 W 版不同，必须各自映射，
+    // 否则点表头排序失效。两条都注册到同一个处理函数。
     ON_NOTIFY(HDN_ITEMCLICK, 0, &CMy2015RemoteDlg::OnHdnItemclickList)
+    ON_NOTIFY(HDN_ITEMCLICKW, 0, &CMy2015RemoteDlg::OnHdnItemclickList)
     ON_COMMAND(ID_ONLINE_MESSAGE, &CMy2015RemoteDlg::OnOnlineMessage)
     ON_COMMAND(ID_ONLINE_DELETE, &CMy2015RemoteDlg::OnOnlineDelete)
     ON_COMMAND(ID_ONLINE_UPDATE, &CMy2015RemoteDlg::OnOnlineUpdate)