diff --git a/.ci/autorun.sh b/.ci/autorun.sh
new file mode 100755
index 0000000..3c58bb2
--- /dev/null
+++ b/.ci/autorun.sh
@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+pkill -9 semu
+
+expect <<DONE
+set timeout 120
+spawn make check
+expect "buildroot login:" { send "root\n" } timeout { exit 1 }
+expect "# " { send "uname -a\n" } timeout { exit 2 }
+expect "riscv32 GNU/Linux" { send "\x01"; send "x" } timeout { exit 3 }
+DONE
+
+ret=$?
+pkill -9 semu
+echo
+
+MESSAGES=("OK!" \
+     "Fail to boot" \
+     "Fail to login" \
+     "Fail to run commands" \
+)
+
+echo "${MESSAGES[$ret]}"
+exit ${ret}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 27b9152..627525b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -10,9 +10,13 @@ jobs:
     - name: install-dependencies
       run: | 
             sudo apt-get install build-essential device-tree-compiler
+            sudo apt-get install expect
     - name: default build
       run: make
       shell: bash
+    - name: automated test
+      run: .ci/autorun.sh
+      shell: bash
 
   coding_style:
     runs-on: ubuntu-22.04
@@ -21,5 +25,5 @@ jobs:
     - name: coding convention
       run: |
             sudo apt-get install -q -y clang-format-12
-            sh .ci/check-format.sh
+            .ci/check-format.sh
       shell: bash