diff --git a/24-07/caffe/shell/caffe-aarch64.sh b/24-07/caffe/shell/caffe-aarch64.sh
index 4769777..42d0959 100644
--- a/24-07/caffe/shell/caffe-aarch64.sh
+++ b/24-07/caffe/shell/caffe-aarch64.sh
@@ -3,6 +3,7 @@
 set -e # 在遇到非零返回值时立即退出
 
 echo "step1: 安装依赖包"
+# 如果当前用户没有sudo权限，则注释掉下面两行，改用root用户来运行下面两行
 sudo dnf install -y leveldb-devel snappy-devel opencv.aarch64 boost-devel hdf5-devel gflags-devel glog-devel lmdb-devel openblas.aarch64
 sudo dnf install -y git wget tar gcc-c++ unzip automake libtool autoconf
 
@@ -56,4 +57,4 @@ echo "# caffe" >> ~/.bashrc
 echo "export CAFFE=$CAFFE" >> ~/.bashrc
 echo "export PATH=$PATH" >> ~/.bashrc
 source ~/.bashrc
-caffe --version || { echo "Caffe build failed"; exit 1; }
\ No newline at end of file
+caffe --version || { echo "Caffe build failed"; exit 1; }