Add correction

tutorials/source_en/advanced_use/checkpoint_for_hybrid_parallel.md

@@ -165,7 +165,7 @@ The parameter name is model\_parallel\_weight and the dividing strategy is to pe
 2. Call the `save_checkpoint` API to write the parameter data to a file and generate a new checkpoint file.
 
    ```
-   save_checkpoint(save_obj, “./CKP-Integrated_1-4_32.ckpt”)
+   save_checkpoint(param_list, “./CKP-Integrated_1-4_32.ckpt”)
    ```
 
    In the preceding information:

tutorials/source_zh_cn/advanced_use/checkpoint_for_hybrid_parallel.md

@@ -169,7 +169,7 @@ strategy = build_searched_strategy("./strategy_train.cpkt")
 
 2. 调用`save_checkpoint`接口，将参数数据写入文件，生成新的CheckPoint文件。
    ```
-   save_checkpoint(save_obj, “./CKP-Integrated_1-4_32.ckpt”)
+   save_checkpoint(param_list, “./CKP-Integrated_1-4_32.ckpt”)
    ```
     其中，
     - `save_checkpoint`： 通过该接口将网络模型参数信息存入文件。