diff --git a/docs/source/tutorials/Qwen2.5-7B.md b/docs/source/tutorials/Qwen2.5-7B.md
index dfd3de3f..f1c52946 100644
--- a/docs/source/tutorials/Qwen2.5-7B.md
+++ b/docs/source/tutorials/Qwen2.5-7B.md
@@ -98,7 +98,7 @@ Qwen2.5-7B-Instruct supports single-node single-card deployment on the 910B4 pla
 
 ```shell
 #!/bin/sh
-export ASCEBD_RT_VISIBLE_DEVICES=0
+export ASCEND_RT_VISIBLE_DEVICES=0
 export MODEL_PATH="Qwen/Qwen2.5-7B-Instruct"
 
 vllm serve ${MODEL_PATH} \