diff --git a/modules/image/image_processing/prnet/README.md b/modules/image/image_processing/prnet/README.md
index bcd25aa999afcf08890d9fd83b6bcb5cf3fdc674..ed8e08dd92fa8a5ef1a389ec4398414df6cd6a6e 100644
--- a/modules/image/image_processing/prnet/README.md
+++ b/modules/image/image_processing/prnet/README.md
@@ -138,6 +138,7 @@
 
     # 打印预测结果
     print(r.json()["results"])
+    ```
 
 
 ## 五、更新历史