diff --git a/content/en/posts/ecse-2610/studio-0-linux-2016-2/apt-1-view.png b/content/en/posts/ecse-2610/studio-0-linux-2016-2/apt-1-view.png
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diff --git a/content/en/posts/ecse-2610/studio-0-linux-2016-2/apt-2-add-source.png b/content/en/posts/ecse-2610/studio-0-linux-2016-2/apt-2-add-source.png
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diff --git a/content/en/posts/ecse-2610/studio-0-linux-2016-2/index.md b/content/en/posts/ecse-2610/studio-0-linux-2016-2/index.md
index 7b62b16..b91dc26 100644
--- a/content/en/posts/ecse-2610/studio-0-linux-2016-2/index.md
+++ b/content/en/posts/ecse-2610/studio-0-linux-2016-2/index.md
@@ -114,7 +114,13 @@ sudo apt install -y wget
 wget https://minio-lv-a.jamesflare.com/public/application/Xilinx_Vivado_SDK_2016.2_0605_1.tar.gz
 ```
 
-Then, unzip the achieve file.
+Check the MD5 sum value, it should equal to `0e41f991e5d89410ad5ed6d30407f379`
+
+```bash
+md5sum Xilinx_Vivado_SDK_2016.2_0605_1.tar.gz
+```
+
+If not, the file may be damaged. Then, unzip the achieve file.
 
 ```bash
 tar -xvzf Xilinx_Vivado_SDK_2016.2_0605_1.tar.gz
diff --git a/content/en/posts/ecse-2610/studio-0-linux-2016-2/vivado-1-welcome.png b/content/en/posts/ecse-2610/studio-0-linux-2016-2/vivado-1-welcome.png
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diff --git a/content/zh-cn/posts/ecse-2610/studio-0-linux-2016-2/apt-2-add-source.png b/content/zh-cn/posts/ecse-2610/studio-0-linux-2016-2/apt-2-add-source.png
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diff --git a/content/zh-cn/posts/ecse-2610/studio-0-linux-2016-2/index.md b/content/zh-cn/posts/ecse-2610/studio-0-linux-2016-2/index.md
index e167da5..9040cd7 100644
--- a/content/zh-cn/posts/ecse-2610/studio-0-linux-2016-2/index.md
+++ b/content/zh-cn/posts/ecse-2610/studio-0-linux-2016-2/index.md
@@ -114,7 +114,13 @@ sudo apt install -y wget
 wget https://minio-lv-a.jamesflare.com/public/application/Xilinx_Vivado_SDK_2016.2_0605_1.tar.gz
 ```
 
-然后，解压文件。
+检查文件的 MD5 校验值是否等于 `0e41f991e5d89410ad5ed6d30407f379`
+
+```bash
+md5sum Xilinx_Vivado_SDK_2016.2_0605_1.tar.gz
+```
+
+如果不是，文件可能被篡改或者损坏。然后，解压文件。
 
 ```bash
 tar -xvzf Xilinx_Vivado_SDK_2016.2_0605_1.tar.gz
diff --git a/content/zh-cn/posts/ecse-2610/studio-0-linux-2016-2/vivado-1-welcome.png b/content/zh-cn/posts/ecse-2610/studio-0-linux-2016-2/vivado-1-welcome.png
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