diff --git a/deploy/cpp/scripts/bootstrap.sh b/deploy/cpp/scripts/bootstrap.sh
index 438dd0bf90eb6d9ff1dab4b95b61eff3e32cfa6b..e2434d13277a0f058158ba3cfcc883430825c745 100644
--- a/deploy/cpp/scripts/bootstrap.sh
+++ b/deploy/cpp/scripts/bootstrap.sh
@@ -8,25 +8,31 @@ fi
 
 # download pre-compiled opencv lib
 OPENCV_URL=https://bj.bcebos.com/paddleseg/deploy/opencv3.4.6gcc4.8ffmpeg.tar.gz2
-system_name=`awk -F= '/^NAME/{print $2}' /etc/os-release `
-system_version=`awk -F= '/^VERSION_ID/{print $2}' /etc/os-release `
+{
+    system_name=`awk -F= '/^NAME/{print $2}' /etc/os-release `
+} || {
+    echo "[ERROR] There's some problems, maybe caused by your system is not Ubuntu, refer this doc for more informat: https://github.com/PaddlePaddle/PaddleX/tree/develop/docs/deploy/opencv.md"
+    exit -1
+}
 
 # download pre-compiled opencv lib
 OPENCV_URL=https://bj.bcebos.com/paddleseg/deploy/opencv3.4.6gcc4.8ffmpeg.tar.gz2
-if [ $system_name = '"Ubuntu"' ]
+if [ $system_name == '"Ubuntu"' ]
 then
-    if [ $system_version = '"18.04"' ]
+    system_version=`awk -F= '/^VERSION_ID/{print $2}' /etc/os-release `
+    if [ $system_version == '"18.04"' ]
     then
         OPENCV_URL=https://bj.bcebos.com/paddlex/deploy/opencv3.4.6gcc4.8ffmpeg_ubuntu_18.04.tar.gz2
-    elif [ $system_version = '"16.04"' ]
+    elif [ $system_version == '"16.04"' ]
     then
         OPENCV_URL=https://bj.bcebos.com/paddleseg/deploy/opencv3.4.6gcc4.8ffmpeg.tar.gz2
     else
-        echo "Cannot find pre-comipled opencv lib for your system environment, refer this doc for more information: https://github.com/PaddlePaddle/PaddleX/tree/develop/docs/deploy/opencv.md"
+        echo "[ERROR] Cannot find pre-comipled opencv lib for your system environment, refer this doc for more information: https://github.com/PaddlePaddle/PaddleX/tree/develop/docs/deploy/opencv.md"
         exit -1
     fi
 else
-    echo "Cannot find pre-comipled opencv lib for your system environment, refer this doc for more information: https://github.com/PaddlePaddle/PaddleX/tree/develop/docs/deploy/opencv.md"
+    echo "[ERROR] Cannot find pre-comipled opencv lib for your system environment, refer this doc for more information: https://github.com/PaddlePaddle/PaddleX/tree/develop/docs/deploy/opencv.md"
+    exit -1
 fi
 
 if [ ! -d "./deps/opencv3.4.6gcc4.8ffmpeg/" ]; then
diff --git a/deploy/cpp/scripts/build.sh b/deploy/cpp/scripts/build.sh
index 6d6ad25b24170a27639f9b1d651888c4027dbeed..790e2160194a3d5fc73f4c4c608ab31af0f6a5e7 100644
--- a/deploy/cpp/scripts/build.sh
+++ b/deploy/cpp/scripts/build.sh
@@ -5,9 +5,9 @@ WITH_MKL=ON
 # 是否集成 TensorRT(仅WITH_GPU=ON 有效)
 WITH_TENSORRT=OFF
 # TensorRT 的路径，如果需要集成TensorRT，需修改为您实际安装的TensorRT路径
-TENSORRT_DIR=/root/projects/TensorRT/
+TENSORRT_DIR=$(pwd)/TensorRT/
 # Paddle 预测库路径, 请修改为您实际安装的预测库路径
-PADDLE_DIR=/root/projects/fluid_inference
+PADDLE_DIR=$(pwd)/fluid_inference
 # Paddle 的预测库是否使用静态库来编译
 # 使用TensorRT时，Paddle的预测库通常为动态库
 WITH_STATIC_LIB=OFF
@@ -16,14 +16,18 @@ CUDA_LIB=/usr/local/cuda/lib64
 # CUDNN 的 lib 路径
 CUDNN_LIB=/usr/local/cuda/lib64
 
+{
+    bash $(pwd)/scripts/bootstrap.sh # 下载预编译版本的加密工具和opencv依赖库
+} || {
+    echo "Fail to execute script/bootstrap.sh"
+    exit -1
+}
+
 # 是否加载加密后的模型
 WITH_ENCRYPTION=ON
 # 加密工具的路径, 如果使用自带预编译版本可不修改
-sh $(pwd)/scripts/bootstrap.sh # 下载预编译版本的加密工具
 ENCRYPTION_DIR=$(pwd)/paddlex-encryption
-
 # OPENCV 路径, 如果使用自带预编译版本可不修改
-sh $(pwd)/scripts/bootstrap.sh  # 下载预编译版本的opencv
 OPENCV_DIR=$(pwd)/deps/opencv3.4.6gcc4.8ffmpeg/
 
 # 以下无需改动