diff --git a/tests/ocr_det_params.txt b/tests/ocr_det_params.txt
index 6230cfc9bf328677dd93abc84fba49d98b7ce342..805b6fe2fb6b4424f40e2f2af57e5058468c1ad4 100644
--- a/tests/ocr_det_params.txt
+++ b/tests/ocr_det_params.txt
@@ -50,6 +50,7 @@ inference:tools/infer/predict_det.py
 --benchmark:True
 null:null
 ===========================cpp_infer_params===========================
+use_opencv:True
 infer_model:./inference/ch_ppocr_mobile_v2.0_det_infer/
 infer_quant:False
 inference:./deploy/cpp_infer/build/ppocr det
diff --git a/tests/prepare.sh b/tests/prepare.sh
index 2fb01447c539a9078764f63253179aed8dcc01b3..c3b60299339ca15840a63d589b05d56e08cb3b63 100644
--- a/tests/prepare.sh
+++ b/tests/prepare.sh
@@ -75,49 +75,56 @@ elif [ ${MODE} = "infer" ] || [ ${MODE} = "cpp_infer" ];then
 fi
 
 if [ ${MODE} = "cpp_infer" ];then
-    echo "################### build opencv ###################"
     cd deploy/cpp_infer
-    rm -rf 3.4.7.tar.gz opencv-3.4.7/
-    wget https://github.com/opencv/opencv/archive/3.4.7.tar.gz
-    tar -xf 3.4.7.tar.gz
+    use_opencv=$(func_parser_value "${lines[52]}")
+    if [ ${use_opencv} = "True" ]; then
+        echo "################### build opencv ###################"
+        rm -rf 3.4.7.tar.gz opencv-3.4.7/
+        wget https://github.com/opencv/opencv/archive/3.4.7.tar.gz
+        tar -xf 3.4.7.tar.gz
 
-    cd opencv-3.4.7/
-    install_path=$(pwd)/opencv-3.4.7/opencv3
+        cd opencv-3.4.7/
+        install_path=$(pwd)/opencv-3.4.7/opencv3
 
-    rm -rf build
-    mkdir build
-    cd build
+        rm -rf build
+        mkdir build
+        cd build
 
-    cmake .. \
-        -DCMAKE_INSTALL_PREFIX=${install_path} \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DBUILD_SHARED_LIBS=OFF \
-        -DWITH_IPP=OFF \
-        -DBUILD_IPP_IW=OFF \
-        -DWITH_LAPACK=OFF \
-        -DWITH_EIGEN=OFF \
-        -DCMAKE_INSTALL_LIBDIR=lib64 \
-        -DWITH_ZLIB=ON \
-        -DBUILD_ZLIB=ON \
-        -DWITH_JPEG=ON \
-        -DBUILD_JPEG=ON \
-        -DWITH_PNG=ON \
-        -DBUILD_PNG=ON \
-        -DWITH_TIFF=ON \
-        -DBUILD_TIFF=ON
+        cmake .. \
+            -DCMAKE_INSTALL_PREFIX=${install_path} \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DBUILD_SHARED_LIBS=OFF \
+            -DWITH_IPP=OFF \
+            -DBUILD_IPP_IW=OFF \
+            -DWITH_LAPACK=OFF \
+            -DWITH_EIGEN=OFF \
+            -DCMAKE_INSTALL_LIBDIR=lib64 \
+            -DWITH_ZLIB=ON \
+            -DBUILD_ZLIB=ON \
+            -DWITH_JPEG=ON \
+            -DBUILD_JPEG=ON \
+            -DWITH_PNG=ON \
+            -DBUILD_PNG=ON \
+            -DWITH_TIFF=ON \
+            -DBUILD_TIFF=ON
 
-    make -j
-    make install
-    cd ../
-    echo "################### build opencv finished ###################"
+        make -j
+        make install
+        cd ../
+        echo "################### build opencv finished ###################"
+    fi
 
 
     echo "################### build PaddleOCR demo ####################"
-    OPENCV_DIR=$(pwd)/opencv-3.4.7/opencv3/
+    if [ ${use_opencv} = "True" ]; then
+        OPENCV_DIR=$(pwd)/opencv-3.4.7/opencv3/
+    else
+        OPENCV_DIR=''
+    fi
     LIB_DIR=$(pwd)/Paddle/build/paddle_inference_install_dir/
-    CUDA_LIB_DIR=/usr/local/cuda/lib64/
-    CUDNN_LIB_DIR=/usr/lib/x86_64-linux-gnu/
-
+    CUDA_LIB_DIR=$(dirname `find /usr -name libcudart.so`)
+    CUDNN_LIB_DIR=$(dirname `find /usr -name libcudnn.so`)
+    
     BUILD_DIR=build
     rm -rf ${BUILD_DIR}
     mkdir ${BUILD_DIR}
diff --git a/tests/test.sh b/tests/test.sh
index a7523450bd32b20f854d7a6900f9c0cfec8e05e5..484d55735368fa7ae341d63e9cb01439f511e2fe 100644
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -147,28 +147,28 @@ infer_value1=$(func_parser_value "${lines[50]}")
 
 if [ ${MODE} = "cpp_infer" ]; then
     # parser cpp inference model 
-    cpp_infer_model_dir_list=$(func_parser_value "${lines[52]}")
-    cpp_infer_is_quant=$(func_parser_value "${lines[53]}")
+    cpp_infer_model_dir_list=$(func_parser_value "${lines[53]}")
+    cpp_infer_is_quant=$(func_parser_value "${lines[54]}")
     # parser cpp inference 
-    inference_cmd=$(func_parser_value "${lines[54]}")
-    cpp_use_gpu_key=$(func_parser_key "${lines[55]}")
-    cpp_use_gpu_list=$(func_parser_value "${lines[55]}")
-    cpp_use_mkldnn_key=$(func_parser_key "${lines[56]}")
-    cpp_use_mkldnn_list=$(func_parser_value "${lines[56]}")
-    cpp_cpu_threads_key=$(func_parser_key "${lines[57]}")
-    cpp_cpu_threads_list=$(func_parser_value "${lines[57]}")
-    cpp_batch_size_key=$(func_parser_key "${lines[58]}")
-    cpp_batch_size_list=$(func_parser_value "${lines[58]}")
-    cpp_use_trt_key=$(func_parser_key "${lines[59]}")
-    cpp_use_trt_list=$(func_parser_value "${lines[59]}")
-    cpp_precision_key=$(func_parser_key "${lines[60]}")
-    cpp_precision_list=$(func_parser_value "${lines[60]}")
-    cpp_infer_model_key=$(func_parser_key "${lines[61]}")
-    cpp_image_dir_key=$(func_parser_key "${lines[62]}")
-    cpp_infer_img_dir=$(func_parser_value "${lines[62]}")
-    cpp_save_log_key=$(func_parser_key "${lines[63]}")
-    cpp_benchmark_key=$(func_parser_key "${lines[64]}")
-    cpp_benchmark_value=$(func_parser_value "${lines[64]}")
+    inference_cmd=$(func_parser_value "${lines[55]}")
+    cpp_use_gpu_key=$(func_parser_key "${lines[56]}")
+    cpp_use_gpu_list=$(func_parser_value "${lines[56]}")
+    cpp_use_mkldnn_key=$(func_parser_key "${lines[57]}")
+    cpp_use_mkldnn_list=$(func_parser_value "${lines[57]}")
+    cpp_cpu_threads_key=$(func_parser_key "${lines[58]}")
+    cpp_cpu_threads_list=$(func_parser_value "${lines[58]}")
+    cpp_batch_size_key=$(func_parser_key "${lines[59]}")
+    cpp_batch_size_list=$(func_parser_value "${lines[59]}")
+    cpp_use_trt_key=$(func_parser_key "${lines[60]}")
+    cpp_use_trt_list=$(func_parser_value "${lines[60]}")
+    cpp_precision_key=$(func_parser_key "${lines[61]}")
+    cpp_precision_list=$(func_parser_value "${lines[61]}")
+    cpp_infer_model_key=$(func_parser_key "${lines[62]}")
+    cpp_image_dir_key=$(func_parser_key "${lines[63]}")
+    cpp_infer_img_dir=$(func_parser_value "${lines[63]}")
+    cpp_save_log_key=$(func_parser_key "${lines[64]}")
+    cpp_benchmark_key=$(func_parser_key "${lines[65]}")
+    cpp_benchmark_value=$(func_parser_value "${lines[65]}")
 fi