diff --git a/HuaGoCorrect/A3.cpp b/HuaGoCorrect/A3.cpp
index f8a9fdf..d8dea49 100644
--- a/HuaGoCorrect/A3.cpp
+++ b/HuaGoCorrect/A3.cpp
@@ -352,13 +352,13 @@ void CA3::updatespeedmode(bool get)
 					{
 						if ((parent->m_drv->Driver_type == 400) || (parent->m_drv->Driver_type == 300))
 						{
-							switch (speedmode)
+							switch (t_speedmode.Speedmode)
 							{
-							case 1:speedmode = 40; break;
-							case 2:speedmode = 50; break;
-							case 3:speedmode = 60; break;
-							case 4:speedmode = 70; break;
-							case 5:speedmode = 80; break;
+							case 1:t_speedmode.Speedmode = 40; break;
+							case 2:t_speedmode.Speedmode = 50; break;
+							case 3:t_speedmode.Speedmode = 60; break;
+							case 4:t_speedmode.Speedmode = 70; break;
+							case 5:t_speedmode.Speedmode = 80; break;
 							default:
 								break;
 							}