优化打包脚本

package/armv7hf.sh

@@ -45,6 +45,7 @@ make -C "${pre_dir}" clean
 make -C "${pre_dir}" target=armv7hf
 cd ${cur_dir}
 cp -rf "${pre_dir}/${pkgname}.out" "${pkg_dir}/"
+make -C "${pre_dir}" clean
 
 echo "6, Packaging into ${pkg_tar}..."
 tar -czvf "${pkg_tar}" -C "${cur_dir}" "${pkg_dir##*/}"
@@ -53,3 +54,4 @@ tar -czvf "${pkg_tar}" -C "${cur_dir}" "${pkg_dir##*/}"
 rm -rf "${pkg_dir}"
 
 echo "✅ Package build completed successfully: ${pkg_tar}"
+exit 0