diff --git a/en/device-dev/quick-start/setting-up-the-environment.md b/en/device-dev/quick-start/setting-up-the-environment.md
index bac0852326ac4a090392a613a7a35b8de40fee45..ca99190db50ec394cce465b152de250ce25392b3 100644
--- a/en/device-dev/quick-start/setting-up-the-environment.md
+++ b/en/device-dev/quick-start/setting-up-the-environment.md
@@ -320,7 +320,7 @@ sudo apt-get install build-essential && sudo apt-get install gcc && sudo apt-get
     >If you use the compiled  **riscv32 gcc**  package, perform the following steps to set environment variables:
     >1.  Decompress the package to the root directory.
     >    ```
-    >    tar -xvf gcc_riscv32-linux-7.3.0.tar.gz -C ~
+    >    tar -xvf gcc_riscv32-linux-7.3.0.tar.gz -C /opt
     >    ```
     >2.  Set an environment variable.
     >    ```