diff --git a/devices/amlogic_meson8b/gen_aml_emmc_img.sh b/devices/amlogic_meson8b/gen_aml_emmc_img.sh
index 50d770e7dcb4..657c73554ac8 100644
--- a/devices/amlogic_meson8b/gen_aml_emmc_img.sh
+++ b/devices/amlogic_meson8b/gen_aml_emmc_img.sh
@@ -12,8 +12,8 @@ ROOTFS_IMAGE=$3
 
 
 # 下载并准备工具
-bash ver="v0.3.1"
-bash curl -L -o ./AmlImg https://github.com/hzyitc/AmlImg/releases/download/$ver/AmlImg_${ver}_linux_amd64
+ver="v0.3.1"
+curl -L -o ./AmlImg https://github.com/hzyitc/AmlImg/releases/download/$ver/AmlImg_${ver}_linux_amd64
 chmod +x ./AmlImg
 curl -L -o ./uboot.img https://github.com/hzyitc/u-boot-onecloud/releases/download/build-20221028-0940/eMMC.burn.img
 ./AmlImg unpack ./uboot.img burn/