diff --git a/en/device-dev/quick-start/basic-os-environment-setup.md b/en/device-dev/quick-start/basic-os-environment-setup.md
index d6e60d49369e13cca22926513dfaa8745691cf46..540f5bf59568e9d5075a79f33f0da7a99cea94c0 100644
--- a/en/device-dev/quick-start/basic-os-environment-setup.md
+++ b/en/device-dev/quick-start/basic-os-environment-setup.md
@@ -165,7 +165,7 @@ The following table describes the tools required for setting up the general envi
Functions as the compiler toolchain.
|
-https://repo.huaweicloud.com/harmonyos/compiler/clang/9.0.0-36191/linux/llvm-linux-9.0.0-36191.tar
+ | https://repo.huaweicloud.com/harmonyos/compiler/clang/10.0.1-53907/linux/llvm.tar.gz
|
hb
@@ -350,11 +350,11 @@ Using PuTTY to log in to a Linux server from a PC running Windows
### Installing LLVM
1. Start a Linux server.
-2. Download [LLVM](https://repo.huaweicloud.com/harmonyos/compiler/clang/9.0.0-36191/linux/llvm-linux-9.0.0-36191.tar).
+2. Download [LLVM](repo.huaweicloud.com/harmonyos/compiler/clang/10.0.1-53907/linux/llvm.tar.gz).
3. Decompress the LLVM installation package to **\~/llvm**.
```
- tar -xvf llvm-linux-9.0.0-36191.tar -C ~/
+ tar -zxvf llvm.tar.gz -C ~/
```
4. Set an environment variable.
|