diff --git a/README.md b/README.md
index 15912ab21..9820e70c2 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-English | [简体中文](README_CN.md)
+English | [简体中文](README_ch.md)
 
 ![⚡️FastDeploy](https://user-images.githubusercontent.com/31974251/185771818-5d4423cd-c94c-4a49-9894-bc7a8d1c29d0.png)
 
@@ -18,7 +18,7 @@ English | [简体中文](README_CN.md)
 
 
 
-**⚡️FastDeploy** is an **accessible and efficient** deployment Development Toolkit. It covers 🔥**hot AI models** in the industry and provides 📦**out-of-the-box** deployment experience. It covers image classification, object detection, image segmentation, face detection, face recognition, human keypoint detection, OCR, semantic understanding and other tasks to meet developers‘ industrial deployment needs for **multi-scenario**, **multi-hardware** and **multi-platform** .
+**⚡️FastDeploy** is an **accessible and efficient** deployment Development Toolkit. It covers 🔥**hot AI models** in the industry and provides 📦**out-of-the-box** deployment experience. It covers image classification, object detection, image segmentation, face detection, face recognition, human keypoint detection, OCR, semantic understanding and other tasks to meet developers‘ industrial deployment needs for **multi-scenario**, **multi-hardware**, **multi-platform** .
 
 | Potrait Segmentation                                                                                                                           | Image Matting                                                                                                                                  | Semantic Segmentation                                                                                                                            | Real-Time Matting                                                                                                                              |
 |:----------------------------------------------------------------------------------------------------------------------------------------------:|:----------------------------------------------------------------------------------------------------------------------------------------------:|:------------------------------------------------------------------------------------------------------------------------------------------------:|:----------------------------------------------------------------------------------------------------------------------------------------------:|
@@ -101,21 +101,22 @@ wget https://gitee.com/paddlepaddle/PaddleDetection/raw/release/2.4/demo/0000000
 
 * Test inference resultsTest inference results
   
-```python
+  ```python
   # For deployment of GPU/TensorRT, please refer to examples/vision/detection/paddledetection/python
   import cv2
   import fastdeploy.vision as vision
-  
-  model = vision.detection.PPYOLOE("ppyoloe_crn_l_300e_coco/model.pdmodel",
+  ```
+
+model = vision.detection.PPYOLOE("ppyoloe_crn_l_300e_coco/model.pdmodel",
                                  "ppyoloe_crn_l_300e_coco/model.pdiparams",
                                  "ppyoloe_crn_l_300e_coco/infer_cfg.yml")
- im = cv2.imread("000000014439.jpg")
- result = model.predict(im.copy())
- print(result)
+im = cv2.imread("000000014439.jpg")
+result = model.predict(im.copy())
+print(result)
+
+vis_im = vision.vis_detection(im, result, score_threshold=0.5)
+cv2.imwrite("vis_image.jpg", vis_im)
 
- vis_im = vision.vis_detection(im, result, score_threshold=0.5)
- cv2.imwrite("vis_image.jpg", vis_im)
-```
 ### A Quick Start for C++ SDK
 
 #### Installation