diff --git a/deploy/cpp/docs/Jetson_build.md b/deploy/cpp/docs/Jetson_build.md
index 9acd5de3725080746f816878e0954817d1db6a05..43dae340df172f7491e5cc31dadb8f7d6c3f8fd6 100644
--- a/deploy/cpp/docs/Jetson_build.md
+++ b/deploy/cpp/docs/Jetson_build.md
@@ -174,7 +174,7 @@ CUDNN_LIB=/usr/lib/aarch64-linux-gnu/
 `样例一`：
 ```shell
 #不使用`GPU`测试图片 `/root/projects/images/test.jpeg`  
-./main --model_dir=/root/projects/models/yolov3_darknet --image_path=/root/projects/images/test.jpeg
+./main --model_dir=/root/projects/models/yolov3_darknet --image_file=/root/projects/images/test.jpeg
 ```
 
 图片文件`可视化预测结果`会保存在当前目录下`output.jpg`文件中。
diff --git a/deploy/cpp/docs/linux_build.md b/deploy/cpp/docs/linux_build.md
index 4f7f691b19c845e579e0b4abc2201719a08ee964..5631e8a27b20cec9e280c651fb0cfbe15c0ce504 100755
--- a/deploy/cpp/docs/linux_build.md
+++ b/deploy/cpp/docs/linux_build.md
@@ -116,7 +116,7 @@ make
 `样例一`：
 ```shell
 #不使用`GPU`测试图片 `/root/projects/images/test.jpeg`  
-./build/main --model_dir=/root/projects/models/yolov3_darknet --image_path=/root/projects/images/test.jpeg
+./build/main --model_dir=/root/projects/models/yolov3_darknet --image_file=/root/projects/images/test.jpeg
 ```
 
 图片文件`可视化预测结果`会保存在当前目录下`output.jpg`文件中。
diff --git a/deploy/cpp/docs/windows_vs2019_build.md b/deploy/cpp/docs/windows_vs2019_build.md
index 551531db552d52f417e813704aae824fecbe9044..6a9f1f9d9806c0fde15c8aa472100dd30e55e967 100755
--- a/deploy/cpp/docs/windows_vs2019_build.md
+++ b/deploy/cpp/docs/windows_vs2019_build.md
@@ -113,7 +113,7 @@ cd D:\projects\PaddleDetection\deploy\cpp\out\build\x64-Release
 `样例一`：
 ```shell
 #不使用`GPU`测试图片 `D:\\images\\test.jpeg`  
-.\main --model_dir=D:\\models\\yolov3_darknet --image_path=D:\\images\\test.jpeg
+.\main --model_dir=D:\\models\\yolov3_darknet --image_file=D:\\images\\test.jpeg
 ```
 
 图片文件`可视化预测结果`会保存在当前目录下`output.jpg`文件中。