diff --git a/README.md b/README.md
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--- a/README.md
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+# calamares 安装程序源码
+
+修复bios传统引导，执行bootload时，报错gurb问题
+    
+    if install_hybrid_grub == True and efi_boot_loader != "grub":
+        raise ValueError(f"efi_boot_loader '{efi_boot_loader}' is illegal when install_hybrid_grub is 'true'!")
+        return
+
+判断问题，去除 return，后正常执行
+
+    if install_hybrid_grub == True and efi_boot_loader != "grub":
+        raise ValueError(f"efi_boot_loader '{efi_boot_loader}' is illegal when install_hybrid_grub is 'true'!")