diff --git a/docs/mindspore/source_zh_cn/orange_pi/environment_setup.md b/docs/mindspore/source_zh_cn/orange_pi/environment_setup.md
index 9841eeb8c5c2363b587b450618268a31198ca2a6..5086e4c0940fe86d272d3a8ce52b0f58922b8e1f 100644
--- a/docs/mindspore/source_zh_cn/orange_pi/environment_setup.md
+++ b/docs/mindspore/source_zh_cn/orange_pi/environment_setup.md
@@ -188,7 +188,7 @@ xxx install success
 
 ```bash
 
-(base) root@orangepiaipro: /home/HwHiAiUser/Downloads # echo “source /usr/local/Ascend/ascend-toolkit/set_env.sh” >> ~/.bashrc
+(base) root@orangepiaipro: /home/HwHiAiUser/Downloads # echo 'source /usr/local/Ascend/ascend-toolkit/set_env.sh' >> ~/.bashrc
 (base) root@orangepiaipro: /home/HwHiAiUser/Downloads # source ~/.bashrc
 
 ```