diff --git a/tutorials/source_en/use/multi_platform_inference.md b/tutorials/source_en/use/multi_platform_inference.md
index edc6b07defbee85c638e5e6c189ff75ab1cb0f6b..16b0e99c4fcf9d7ff8c5d7671b16a84761e2acf8 100644
--- a/tutorials/source_en/use/multi_platform_inference.md
+++ b/tutorials/source_en/use/multi_platform_inference.md
@@ -100,6 +100,12 @@ MindSpore supports the following inference scenarios based on the hardware platf
     In the preceding information:
         
     `hub.load_weights` is an API for loading model parameters. PLease check the details in <https://www.mindspore.cn/api/en/r0.6/api/python/mindspore/mindspore.hub.html#mindspore.hub.load_weights>.
+    
+    if want to use `hub`, need to isntall the requirement package `bs4`. The install as following:
+   
+    ```python
+    pip install bs4
+    ```
 
 2. Use the `model.predict` API to perform inference.
    ```python
diff --git a/tutorials/source_zh_cn/use/multi_platform_inference.md b/tutorials/source_zh_cn/use/multi_platform_inference.md
index 0645e3517e7f0174062ab06e830bc1ef518c69fb..6c54bcb0c9450a194b0365424fe50a7ab29ef383 100644
--- a/tutorials/source_zh_cn/use/multi_platform_inference.md
+++ b/tutorials/source_zh_cn/use/multi_platform_inference.md
@@ -98,6 +98,10 @@ CPU | ONNX格式 | 支持ONNX推理的runtime/SDK，如TensorRT。
     ``` 
     其中，  
     `hub.load_weights`为加载模型参数接口，对应接口说明：<https://www.mindspore.cn/api/zh-CN/r0.6/api/python/mindspore/mindspore.hub.html#mindspore.hub.load_weights>。
+    使用hub功能接口之前，需要安装bs4依赖包，具体安装代码为：
+    ```python
+    pip install bs4
+    ```
 
 2. 使用`model.predict`接口来进行推理操作。
    ```python