diff --git a/.github/workflows/e2e-test.yml b/.github/workflows/e2e-test.yml
index 7fe86622f..eb12fc003 100644
--- a/.github/workflows/e2e-test.yml
+++ b/.github/workflows/e2e-test.yml
@@ -93,10 +93,10 @@ jobs:
     - name: Exec OpenIM API test
       run: |
         touch /tmp/test.md
-        echo "# OpenIM Test" > /tmp/test.md
+        echo "# OpenIM Test" >> /tmp/test.md
         echo "<details><summary>Command Output for OpenIM API Test</summary>" >> /tmp/test.md
-        echo "```" >> /tmp/test.md
-        sudo make test-api | tee -a /tmp/test.md
+        echo "```markdown" >> /tmp/test.md
+        sudo make test-api | tee /tmp/test.md
         echo "```" >> /tmp/test.md
         echo "</details>" >> /tmp/test.md
 
@@ -104,8 +104,8 @@ jobs:
       run: |
         echo "# OpenIM E2E Test" >> /tmp/test.md
         echo "<details><summary>Command Output for OpenIM E2E Test</summary>" >> /tmp/test.md
-        echo "```" >> /tmp/test.md
-        sudo make test-e2e | tee -a /tmp/test.md
+        echo "```markdown" >> /tmp/test.md
+        sudo make test-e2e | tee /tmp/test.md
         echo "```" >> /tmp/test.md
         echo "</details>" >> /tmp/test.md