diff --git a/quick_start/04_Qemu_Run_Manual.md b/quick_start/04_Qemu_Run_Manual.md
index 9bb41b4b13b3366170e5e4435692b667575a538e..4e05631dacefe4c578f73b8742f593144aded667 100644
--- a/quick_start/04_Qemu_Run_Manual.md
+++ b/quick_start/04_Qemu_Run_Manual.md
@@ -61,10 +61,39 @@ echo "kernel: $kernel"
 echo "kernel params: $kernel_params"
 echo "qemu params: $qemu_params"
  
-echo "cmdline: $qemutool $netdevice -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0 -drive id=disk0,file=$rootfs,if=none,format=raw -device virtio-blk-device,drive=disk0 -device qemu-xhci -device usb-tablet -device usb-kbd  -machine virt -cpu cortex-a53 -smp 4 -m 256 -serial mon:stdio -serial null -nographic -device virtio-gpu-pci -kernel $kernel -append "$kernel_params" $qemu_params"
- 
-$qemutool $netdevice -object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0 -drive id=disk0,file=$rootfs,if=none,format=raw -device virtio-blk-device,drive=disk0 -device qemu-xhci -device usb-tablet -device usb-kbd  -machine virt -cpu cortex-a53 -smp 4 -m 1024 -serial mon:stdio -serial null -nographic -device virtio-gpu-pci -kernel $kernel -append "$kernel_params" $qemu_params
-```
+run_qemu() {
+    local qemu_cmd=(
+        "$qemutool"
+        $netdevice
+        -object "rng-random,filename=/dev/urandom,id=rng0"
+        -device "virtio-rng-pci,rng=rng0"
+        -drive "id=disk0,file=$rootfs,if=none,format=raw"
+        -device "virtio-blk-device,drive=disk0"
+        -device "qemu-xhci"
+        -device "usb-tablet"
+        -device "usb-kbd"
+        -machine "virt"
+        -cpu "max"
+        -smp "4"
+        -m "1024"  # 默认使用 1024MB
+        -serial "mon:stdio"
+        -serial "null"
+        -nographic
+        -device "virtio-gpu-pci"
+        -kernel "$kernel"
+        -append "$kernel_params"
+        $qemu_params
+    )
+    
+    # 打印带引号的命令
+    echo "cmdline:" "${qemu_cmd[@]}"
+    
+    # 执行命令
+    "${qemu_cmd[@]}"
+}
+
+# 使用方法
+run_qemu
 
 ## 运行QEMU