diff --git a/source/MaaWin32ControlUnit/Input/InputUtils.h b/source/MaaWin32ControlUnit/Input/InputUtils.h
index 4e74b58a6..d2e67b101 100644
--- a/source/MaaWin32ControlUnit/Input/InputUtils.h
+++ b/source/MaaWin32ControlUnit/Input/InputUtils.h
@@ -53,6 +53,27 @@ inline void ensure_foreground_and_topmost(HWND hwnd)
     }
 }
 
+// 检查鼠标左右按键是否被交换
+inline bool IsMouseButtonSwapped()
+{
+    return GetSystemMetrics(SM_SWAPBUTTON) != 0;
+}
+
+// 获取兼容鼠标左右按键交换后的鼠标按键映射
+inline int GetMappedContact(int original_contact)
+{
+    if (!IsMouseButtonSwapped()) {
+        return original_contact;
+    }
+    if (original_contact == 0) {
+        return 1;
+    }
+    if (original_contact == 1) {
+        return 0;
+    }
+    return original_contact;
+}
+
 // Contact 到 WM_* 消息的转换结果
 struct MouseMessageInfo
 {
@@ -63,7 +84,8 @@ struct MouseMessageInfo
 // 将 contact ID 转换为鼠标按下消息
 inline bool contact_to_mouse_down_message(int contact, MouseMessageInfo& info)
 {
-    switch (contact) {
+    int mapped_contact = GetMappedContact(contact);
+    switch (mapped_contact) {
     case 0:
         info.message = WM_LBUTTONDOWN;
         info.w_param = MK_LBUTTON;
@@ -92,7 +114,8 @@ inline bool contact_to_mouse_down_message(int contact, MouseMessageInfo& info)
 // 将 contact ID 转换为鼠标移动消息
 inline bool contact_to_mouse_move_message(int contact, MouseMessageInfo& info)
 {
-    switch (contact) {
+    int mapped_contact = GetMappedContact(contact);
+    switch (mapped_contact) {
     case 0:
         info.message = WM_MOUSEMOVE;
         info.w_param = MK_LBUTTON;
@@ -121,7 +144,8 @@ inline bool contact_to_mouse_move_message(int contact, MouseMessageInfo& info)
 // 将 contact ID 转换为鼠标抬起消息
 inline bool contact_to_mouse_up_message(int contact, MouseMessageInfo& info)
 {
-    switch (contact) {
+    int mapped_contact = GetMappedContact(contact);
+    switch (mapped_contact) {
     case 0:
         info.message = WM_LBUTTONUP;
         info.w_param = 0;
@@ -157,7 +181,8 @@ struct MouseEventFlags
 // 将 contact ID 转换为 MOUSEEVENTF 按下标志（用于 SendInput/mouse_event）
 inline bool contact_to_mouse_down_flags(int contact, MouseEventFlags& flags_info)
 {
-    switch (contact) {
+    int mapped_contact = GetMappedContact(contact);
+    switch (mapped_contact) {
     case 0:
         flags_info.flags = MOUSEEVENTF_LEFTDOWN;
         flags_info.button_data = 0;
@@ -186,7 +211,8 @@ inline bool contact_to_mouse_down_flags(int contact, MouseEventFlags& flags_info
 // 将 contact ID 转换为 MOUSEEVENTF 抬起标志（用于 SendInput/mouse_event）
 inline bool contact_to_mouse_up_flags(int contact, MouseEventFlags& flags_info)
 {
-    switch (contact) {
+    int mapped_contact = GetMappedContact(contact);
+    switch (mapped_contact) {
     case 0:
         flags_info.flags = MOUSEEVENTF_LEFTUP;
         flags_info.button_data = 0;