diff --git a/UserInterface/RemoteControl.cxx b/UserInterface/RemoteControl.cxx
index cbed5c2..fe498a9 100644
--- a/UserInterface/RemoteControl.cxx
+++ b/UserInterface/RemoteControl.cxx
@@ -4,26 +4,6 @@
 #include <InfoCommunicate.hpp>
 #include <wx/renderer.h>
 
-class ButtonCellRenderer : public wxGridCellRenderer
-{
-public:
-    void Draw(wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, const wxRect& rect, int row, int col, bool isSelected) override
-    {
-        wxRendererNative::Get().DrawPushButton(&grid, dc, rect, wxCONTROL_PRESSED);
-        dc.DrawText(grid.GetCellValue(row, col), rect.x + 5, rect.y + (rect.height - dc.GetCharHeight()) / 2);
-    }
-
-    wxSize GetBestSize(wxGrid& grid, wxGridCellAttr& attr, wxDC& dc, int row, int col) override
-    {
-        return wxSize(80, 25);   // 按钮默认大小
-    }
-
-    wxGridCellRenderer* Clone() const override
-    {
-        return new ButtonCellRenderer;
-    }
-};
-
 RemoteControl::RemoteControl(wxWindow* parent, std::shared_ptr<ClientCore>& clientCore) : wxPanel(parent), clientCore_(clientCore)
 {
     Init();
@@ -156,7 +136,7 @@ void RemoteControl::OnRightClick(wxGridEvent& event)
 
 void RemoteControl::SetGrid()
 {
-    grid_->CreateGrid(10, 6);
+    grid_->CreateGrid(10, 5);
 
     for (int i = 0; i < 10; ++i) {
         grid_->DisableRowResize(i);
@@ -173,9 +153,6 @@ void RemoteControl::SetGrid()
     grid_->SetColSize(2, 100);
     grid_->SetColSize(3, 150);
     grid_->SetColSize(4, 100);
-
-    grid_->SetCellRenderer(0, 5, new ButtonCellRenderer());
-    grid_->SetCellValue(0, 5, _("Download"));
 }
 
 void RemoteControl::setRemoteID(const wxString& id)
diff --git a/UserInterface/main.cxx b/UserInterface/main.cxx
index aa272b5..220a3d0 100644
--- a/UserInterface/main.cxx
+++ b/UserInterface/main.cxx
@@ -1,13 +1,28 @@
 #include "UserInterface.h"
 #include <wx/uilocale.h>
 
+#ifdef _WIN32
+void setProcessDPIAwareIfAvailable()
+{
+    HMODULE hUser32 = LoadLibrary(wxT("User32.dll"));
+    if (hUser32) {
+        typedef BOOL(WINAPI * SetProcessDPIAwareFunc)();
+        SetProcessDPIAwareFunc pSetProcessDPIAware = (SetProcessDPIAwareFunc)GetProcAddress(hUser32, "SetProcessDPIAware");
+        if (pSetProcessDPIAware) {
+            pSetProcessDPIAware();
+        }
+        FreeLibrary(hUser32);
+    }
+}
+#endif
+
 class RelayFileApp : public wxApp
 {
 public:
     bool OnInit() override
     {
 #ifdef _WIN32
-        SetProcessDPIAware();
+        setProcessDPIAwareIfAvailable();
 #endif
         loadLocale();
         f_ = new UserInterface(_("RelayFile"));