diff --git a/docs/troubleshooting.md b/docs/troubleshooting.md
index 659106b1e..102884d3f 100644
--- a/docs/troubleshooting.md
+++ b/docs/troubleshooting.md
@@ -1 +1,11 @@
-# Troublesshooting
\ No newline at end of file
+# Troublesshooting
+## How to deploy actions on ubuntu runners
+We use `sudo` command to run `apt/apt-get` and install systemdependencies. If you are using a un-priviledged user account, the easist way is edit `sudoers`.
+- You should switch to root and enter:
+```bash
+visudo
+```
+- Then add this line into it:
+```txt
+%your_user_name ALL=(ALL:ALL) NOPASSWD:/usr/bin/apt,/usr/bin/apt-get
+```