diff --git a/build/Makefile b/build/Makefile
index be491e4b3..f2491148f 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -602,7 +602,11 @@ ifeq ($(CONFIG_BUILDROOT_FS),y)
 else
 	${Q}ln -s $(OUTPUT_DIR)/rootfs $(OUTPUT_DIR)/fs
 endif
+ifeq ($(MV_VENDOR), milkv)
+	$(TOP_DIR)/$(MV_VENDOR)/gen_burn_image_sd.sh $(OUTPUT_DIR)
+else
 	$(COMMON_TOOLS_PATH)/sd_tools/sd_gen_burn_image.sh $(OUTPUT_DIR)
+endif
 
 jffs2:
 	$(call print_target)
diff --git a/build_milkv.sh b/build_milkv.sh
index 0fb81399b..1ebe67f13 100755
--- a/build_milkv.sh
+++ b/build_milkv.sh
@@ -114,23 +114,6 @@ function milkv_duo_pack()
   image_count=`ls ${install_dir}/*.img | wc -l`
   if [ ${image_count} -ge 0 ]; then
     mv ${install_dir}/*.img out/
-    pushd out
-
-    for img in sophpi*.img
-    do
-      #echo $img
-      milkv_img=$(echo $img | sed -e 's/sophpi/milkv/')
-      #echo $milkv_img
-      if [ -f $img ]; then
-        mv ${img} ${milkv_img}
-        if [ $? -ne 0 ]; then
-          print_err "Rename failed!"
-          exit 1
-        fi
-      fi
-    done
-
-    popd
 
     # show latest img
     latest_img=`ls -t out/*.img | head -n1`
@@ -177,6 +160,8 @@ if [ -z "${MILKV_BOARD// }" ]; then
   exit 1
 fi
 
+export MILKV_BOARD="${MILKV_BOARD}"
+
 MILKV_BOARD_CONFIG=${MILKV_BOARD_DIR}/boardconfig-${MILKV_BOARD}.sh
 
 if [ ! -f ${MILKV_BOARD_CONFIG} ]; then
diff --git a/milkv/boardconfig-milkv-duo.sh b/milkv/boardconfig-milkv-duo.sh
index 4764742ae..04344e59a 100644
--- a/milkv/boardconfig-milkv-duo.sh
+++ b/milkv/boardconfig-milkv-duo.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 export MV_BOARD_CPU=cv1800b
+export MV_VENDOR=milkv
 export MV_BUILD_ENV=milkvsetup.sh
 export MV_BOARD_LINK=cv1800b_milkv_duo_sd
 
diff --git a/milkv/gen_burn_image_sd.sh b/milkv/gen_burn_image_sd.sh
new file mode 100755
index 000000000..af5088609
--- /dev/null
+++ b/milkv/gen_burn_image_sd.sh
@@ -0,0 +1,82 @@
+#!/bin/bash
+
+# sd image generator
+
+# usage
+if [ "$#" -ne "1" ]; then
+  echo "usage: sudo ${0} OUTPUT_DIR"
+  echo ""
+  echo "       The script is used to create a sdcard image with two partitions, "
+  echo "       one is fat32 with 128MB, the other is ext4 with 256MB."
+  echo "       You can modify the capacities in this script as you wish!"
+  echo ""
+  echo "Note:  Please backup you sdcard files before using this image!"
+
+  exit
+fi
+
+vfat_cap=128M
+vfat_label="boot"
+ext4_cap=256M
+ext4_label="rootfs"
+
+output_dir=$1
+echo ${output_dir}
+pushd ${output_dir}
+
+# gen a empty image
+image=${MILKV_BOARD}-`date +%Y%m%d-%H%M`.img
+echo ${image}
+dd if=/dev/zero of=./${image} bs=1M count=512
+
+################################
+# Note: do not change this flow
+################################
+sudo fdisk ./${image} << EOF
+n
+p
+1
+
++${vfat_cap}
+n
+p
+2
+
++${ext4_cap}
+w
+EOF
+# Note end
+################################
+
+dev_name=`sudo losetup -f`
+echo ${dev_name}
+echo ""
+
+sudo losetup ${dev_name} ./${image}
+sudo partprobe ${dev_name}
+
+sudo mkfs.vfat -F 32 -n ${vfat_label} ${dev_name}p1
+sudo mkfs.ext4 -L ${ext4_label} ${dev_name}p2
+
+# mount partitions
+rm ./tmp1 ./tmp2 -rf
+mkdir tmp1 tmp2
+sudo mount -t vfat ${dev_name}p1 tmp1/
+sudo mount -t ext4 ${dev_name}p2 tmp2/
+
+# copy boot file and rootfs
+sudo cp ${output_dir}/fip.bin ./tmp1/
+sudo cp ${output_dir}/rawimages/boot.sd ./tmp1/
+sudo cp -raf ${output_dir}/fs/* ./tmp2
+
+sync
+
+# umount
+sudo umount tmp1 tmp2
+sudo losetup -d ${dev_name}
+rmdir tmp1 tmp2
+
+echo "Gen image successful: ${image}"
+echo ""
+
+popd