diff --git a/docs/zh_cn/01-how-to-build/linux-x86_64.md b/docs/zh_cn/01-how-to-build/linux-x86_64.md
index 36ce48f0c0..fd10572fbc 100644
--- a/docs/zh_cn/01-how-to-build/linux-x86_64.md
+++ b/docs/zh_cn/01-how-to-build/linux-x86_64.md
@@ -245,7 +245,7 @@ export LD_LIBRARY_PATH=$Torch_DIR/lib:$LD_LIBRARY_PATH
 ```bash
 echo '# set env for onnxruntime' >> ~/.bashrc
 echo "export ONNXRUNTIME_DIR=${ONNXRUNTIME_DIR}" >> ~/.bashrc
-echo 'export LD_LIBRARY_PATH=$ONNXRUNTIME_DIR/lib:$LD_LIBRARY_PATH' >> ~/.bashrc
+echo "export LD_LIBRARY_PATH=$ONNXRUNTIME_DIR/lib:$LD_LIBRARY_PATH" >> ~/.bashrc
 source ~/.bashrc
 ```