diff --git "a/ptdbg_ascend/doc/rank_id\350\216\267\345\217\226\346\226\271\346\263\225.md" "b/ptdbg_ascend/doc/rank_id\350\216\267\345\217\226\346\226\271\346\263\225.md"
index f084d990308b7adf86af49e919e872ab948ed817..0c5c45aec7daa579ea3432d600967d1f9323ec92 100644
--- "a/ptdbg_ascend/doc/rank_id\350\216\267\345\217\226\346\226\271\346\263\225.md"
+++ "b/ptdbg_ascend/doc/rank_id\350\216\267\345\217\226\346\226\271\346\263\225.md"
@@ -26,7 +26,7 @@ Local rank is: 7
 那么将该环境变量作为rank传参即可自动获取到rank_id，如：
 
 ```python
-register_hook(model, acc_cmp_dump, rank=os.environ.get('LOCAL_RANK')
+register_hook(model, acc_cmp_dump, rank=os.environ.get('LOCAL_RANK'))
 ```
 
 ## **通过命令行参数获取**