diff --git a/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c b/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c
index edb67691..4a3a98c9 100644
--- a/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c
+++ b/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.c
@@ -408,12 +408,12 @@ STATIC VOID ventoy_warn_invalid_device(VOID)
     gST->ConOut->OutputString(gST->ConOut, VTOY_WARNING L"\r\n");
     gST->ConOut->OutputString(gST->ConOut, VTOY_WARNING L"\r\n\r\n\r\n");
 
-    gST->ConOut->OutputString(gST->ConOut, L"This is NOT a standard Ventoy device and is NOT officially supported.\r\n\r\n");
+    gST->ConOut->OutputString(gST->ConOut, L"This is NOT a standard Ventoy device and is NOT supported.\r\n\r\n");
     gST->ConOut->OutputString(gST->ConOut, L"You should follow the official instructions in https://www.ventoy.net\r\n");
     
-    gST->ConOut->OutputString(gST->ConOut, L"\r\n\r\nWill continue to boot after 15 seconds ...... ");
+    gST->ConOut->OutputString(gST->ConOut, L"\r\n\r\nWill exit after 10 seconds ...... ");
 
-    sleep(15);
+    sleep(10);
 }
 #else
 STATIC VOID ventoy_warn_invalid_device(VOID)
@@ -718,6 +718,7 @@ STATIC EFI_STATUS EFIAPI ventoy_parse_cmdline(IN EFI_HANDLE ImageHandle)
     if (pEnv[0] != '0' || pEnv[1] != 0)
     {
         ventoy_warn_invalid_device();
+        return EFI_INVALID_PARAMETER;
     }
     
     g_file_replace_list = &pGrubParam->file_replace;
diff --git a/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.h b/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.h
index 7113e86e..b774f859 100644
--- a/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.h
+++ b/EDK2/edk2_mod/edk2-edk2-stable201911/MdeModulePkg/Application/Ventoy/Ventoy.h
@@ -185,7 +185,7 @@ typedef struct ventoy_virt_chunk
   #error Unknown Processor Type
 #endif
 
-#define VENTOY_DEVICE_WARN 0
+#define VENTOY_DEVICE_WARN 1
 #define VTOY_WARNING  L"!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!"
 
 typedef struct ventoy_sector_flag
diff --git a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c
index 7c47357d..8be06582 100644
--- a/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c
+++ b/GRUB2/MOD_SRC/grub-2.04/grub-core/ventoy/ventoy.c
@@ -1639,15 +1639,14 @@ int ventoy_check_device_result(int ret)
     grub_env_set("VTOY_CHKDEV_RESULT_STRING", buf);
     grub_env_export("VTOY_CHKDEV_RESULT_STRING");
 
-    if (ret & 0x1000)
+    if (ret)
     {
         grub_printf(VTOY_WARNING"\n");
         grub_printf(VTOY_WARNING"\n");
         grub_printf(VTOY_WARNING"\n\n\n");
         
-        grub_printf("Unsatisfied conditions detected for Ventoy.\n\n");
-        grub_printf("This is NOT a standard Ventoy device and is NOT officially supported.\n\n");
-        grub_printf("Recommend to follow the instructions in https://www.ventoy.net to use Ventoy.\n");
+        grub_printf("This is NOT a standard Ventoy device and is NOT supported.\n\n");
+        grub_printf("You should follow the instructions in https://www.ventoy.net to use Ventoy.\n");
         
         grub_printf("\n\nWill exit after 10 seconds ...... ");
         grub_refresh();
@@ -3522,7 +3521,7 @@ static grub_err_t ventoy_cmd_load_part_table(grub_extcmd_context_t ctxt, int arg
         ret = ventoy_check_device(dev);
         grub_device_close(dev);
 
-        if (ret & 0x1000)
+        if (ret)
         {
             grub_exit();            
         }