diff --git a/README.MD b/README.md
similarity index 53%
rename from README.MD
rename to README.md
index 66aaab4..6bc79ee 100644
--- a/README.MD
+++ b/README.md
@@ -28,24 +28,34 @@ make run
 make debug
 ```
 
+> 暂不支持交叉编译和调试
+
 ## 依赖项
 
 * nbd
 * qemu
 
-## 开发计划
+## 架构支持
 
-* 重新设置内核分页前的准备：
-  * multiboot2启动信息
-  * 重设显示模式前的内核日志
-  * 显示模式设置
-  * 键盘的连接
+* [x] x86_64
+* [ ] aarch64
+* [ ] loongarch
 
-## 文档
+## 功能模块
 
-### kernel
-
-### libk
+* [x] 内存管理
+  * [x] 页分配
+  * [ ] 页回收
+  * [x] 内存分配器
+    * [x] raw_allocator
+* [x] tty
+* [ ] 内核日志
+* [ ] 文件系统
+  * [ ] vfs
+  * [ ] fat32驱动（移植）
+  * [ ] ext4驱动（移植）
+* [ ] 驱动管理
+* [ ] 进程管理
 
 ## 版权声明
 
diff --git a/qemu/Makefile b/qemu/Makefile
index 6221847..9178972 100644
--- a/qemu/Makefile
+++ b/qemu/Makefile
@@ -1,8 +1,9 @@
 TARGET = ../src/metaverse.elf
+ARCH := $(shell uname -m)
 
 .PHONY: run debug load mount unmount
 
-BIOS = bios/OVMF_CODE.fd
+BIOS = bios/${ARCH}.uefi
 
 run:
 	@sudo modprobe nbd
diff --git a/qemu/bios/OVMF_CODE.fd b/qemu/bios/x86_64.uefi
similarity index 100%
rename from qemu/bios/OVMF_CODE.fd
rename to qemu/bios/x86_64.uefi
diff --git a/qemu/bios/OVMF.4m.fd b/qemu/bios/x86_64/OVMF.4m.fd
similarity index 100%
rename from qemu/bios/OVMF.4m.fd
rename to qemu/bios/x86_64/OVMF.4m.fd
diff --git a/qemu/bios/OVMF.fd b/qemu/bios/x86_64/OVMF.fd
similarity index 100%
rename from qemu/bios/OVMF.fd
rename to qemu/bios/x86_64/OVMF.fd
diff --git a/qemu/bios/OVMF_CODE.4m.fd b/qemu/bios/x86_64/OVMF_CODE.4m.fd
similarity index 100%
rename from qemu/bios/OVMF_CODE.4m.fd
rename to qemu/bios/x86_64/OVMF_CODE.4m.fd
diff --git a/qemu/bios/OVMF_CODE.csm.4m.fd b/qemu/bios/x86_64/OVMF_CODE.csm.4m.fd
similarity index 100%
rename from qemu/bios/OVMF_CODE.csm.4m.fd
rename to qemu/bios/x86_64/OVMF_CODE.csm.4m.fd
diff --git a/qemu/bios/OVMF_CODE.csm.fd b/qemu/bios/x86_64/OVMF_CODE.csm.fd
similarity index 100%
rename from qemu/bios/OVMF_CODE.csm.fd
rename to qemu/bios/x86_64/OVMF_CODE.csm.fd
diff --git a/qemu/bios/x86_64/OVMF_CODE.fd b/qemu/bios/x86_64/OVMF_CODE.fd
new file mode 100644
index 0000000..c797c10
Binary files /dev/null and b/qemu/bios/x86_64/OVMF_CODE.fd differ
diff --git a/qemu/bios/OVMF_CODE.secboot.4m.fd b/qemu/bios/x86_64/OVMF_CODE.secboot.4m.fd
similarity index 100%
rename from qemu/bios/OVMF_CODE.secboot.4m.fd
rename to qemu/bios/x86_64/OVMF_CODE.secboot.4m.fd
diff --git a/qemu/bios/OVMF_CODE.secboot.fd b/qemu/bios/x86_64/OVMF_CODE.secboot.fd
similarity index 100%
rename from qemu/bios/OVMF_CODE.secboot.fd
rename to qemu/bios/x86_64/OVMF_CODE.secboot.fd
diff --git a/qemu/bios/OVMF_VARS.4m.fd b/qemu/bios/x86_64/OVMF_VARS.4m.fd
similarity index 100%
rename from qemu/bios/OVMF_VARS.4m.fd
rename to qemu/bios/x86_64/OVMF_VARS.4m.fd
diff --git a/qemu/bios/OVMF_VARS.fd b/qemu/bios/x86_64/OVMF_VARS.fd
similarity index 100%
rename from qemu/bios/OVMF_VARS.fd
rename to qemu/bios/x86_64/OVMF_VARS.fd