diff --git a/kernel/src/net/socket.rs b/kernel/src/net/socket.rs
index 913dd09da..051d1abe9 100644
--- a/kernel/src/net/socket.rs
+++ b/kernel/src/net/socket.rs
@@ -511,9 +511,9 @@ pub struct UdpSocket {
 impl UdpSocket {
     /// 元数据的缓冲区的大小
     pub const DEFAULT_METADATA_BUF_SIZE: usize = 1024;
-    /// 默认的发送缓冲区的大小 transmiss
-    pub const DEFAULT_RX_BUF_SIZE: usize = 64 * 1024;
     /// 默认的接收缓冲区的大小 receive
+    pub const DEFAULT_RX_BUF_SIZE: usize = 64 * 1024;
+    /// 默认的发送缓冲区的大小 transmiss
     pub const DEFAULT_TX_BUF_SIZE: usize = 64 * 1024;
 
     /// @brief 创建一个原始的socket
diff --git a/tools/run-qemu.sh b/tools/run-qemu.sh
index f1e211546..e8d38bd26 100644
--- a/tools/run-qemu.sh
+++ b/tools/run-qemu.sh
@@ -101,7 +101,7 @@ fi
 
 # ps: 下面这条使用tap的方式，无法dhcp获取到ip，暂时不知道为什么
 # QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -net nic,netdev=nic0 -netdev tap,id=nic0,model=virtio-net-pci,script=qemu/ifup-nat,downscript=qemu/ifdown-nat -usb -device qemu-xhci,id=xhci,p2=8,p3=4 "
-QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -netdev user,id=hostnet0,hostfwd=tcp::12580-:12580 -device virtio-net-pci,vectors=5,netdev=hostnet0,id=net0 -usb -device qemu-xhci,id=xhci,p2=8,p3=4 " 
+QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -netdev user,id=hostnet0,hostfwd=tcp::12580-:12580,hostfwd=udp::12569-:69 -device virtio-net-pci,vectors=5,netdev=hostnet0,id=net0 -usb -device qemu-xhci,id=xhci,p2=8,p3=4 " 
 # E1000E
 # QEMU_DEVICES="-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0 -netdev user,id=hostnet0,hostfwd=tcp::12580-:12580 -net nic,model=e1000e,netdev=hostnet0,id=net0 -netdev user,id=hostnet1,hostfwd=tcp::12581-:12581 -device virtio-net-pci,vectors=5,netdev=hostnet1,id=net1 -usb -device qemu-xhci,id=xhci,p2=8,p3=4 " 
 QEMU_ARGUMENT+="-d ${QEMU_DISK_IMAGE} -m ${QEMU_MEMORY} -smp ${QEMU_SMP} -boot order=d ${QEMU_MONITOR} -d ${qemu_trace_std} "
diff --git a/user/dadk/config/tftpd_0_2_10.dadk b/user/dadk/config/tftpd_0_2_10.dadk
new file mode 100644
index 000000000..5118da397
--- /dev/null
+++ b/user/dadk/config/tftpd_0_2_10.dadk
@@ -0,0 +1,23 @@
+{
+  "name": "tftpd",
+  "version": "0.2.10",
+  "description": "Multithreaded TFTP server daemon for DragonOS",
+  "task_type": {
+    "BuildFromSource": {
+      "Git": {
+        "url": "https://github.com/yuyi2439/rs-tftpd/",
+        "branch": "dragon-tftpd"
+      }
+    }
+  },
+  "depends": [],
+  "build": {
+    "build_command": "make install"
+  },
+  "install": {
+    "in_dragonos_path": "/"
+  },
+  "clean": {
+    "clean_command": "make clean"
+  }
+}
\ No newline at end of file