From 4de832bc37b1f9c44e4956db94c2605cd34e021b Mon Sep 17 00:00:00 2001
From: DefTruth <31974251+DefTruth@users.noreply.github.com>
Date: Sun, 2 Oct 2022 14:25:14 +0800
Subject: [PATCH] [docs] Update how_to_change_backend.md (#316)

Update how_to_change_backend.md
---
 docs/runtime/how_to_change_backend.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/docs/runtime/how_to_change_backend.md b/docs/runtime/how_to_change_backend.md
index 6a90ed095..caa1062e1 100644
--- a/docs/runtime/how_to_change_backend.md
+++ b/docs/runtime/how_to_change_backend.md
@@ -9,7 +9,7 @@ FastDeploy中各视觉模型可支持多种后端，包括
 所有模型切换后端方式均通过RuntimeOption进行切换，
 
 **Python**
-```
+```python
 import fastdeploy as fd
 option = fd.RuntimeOption()
 
@@ -26,14 +26,14 @@ option.use_ort_backend() # ONNX Runtime
 ```
 
 **C++**
-```
+```C++
 fastdeploy::RuntimeOption option;
 
-# 切换使用CPU/GPU
+// 切换使用CPU/GPU
 option.UseCpu();
 option.UseGpu();
 
-# 切换不同后端
+// 切换不同后端
 option.UsePaddleBackend(); // Paddle Inference
 option.UseTrtBackend(); // TensorRT
 option.UseOpenVINOBackend(); // OpenVINO