diff --git a/src/contents/safety.tsx b/src/contents/safety.tsx
index 1eb32f408b1ab55af0727de43258c867fe745811..20d27607e4f4b9ddc4efc97540d6c49e0df83a23 100644
--- a/src/contents/safety.tsx
+++ b/src/contents/safety.tsx
@@ -84,6 +84,7 @@ The next page details the security measures and considerations our team has take
                 <p>Content for section 2.</p>
                 <h3>2.2Parts Safety</h3>
                 <h3>2.3Suicidal System</h3>
+                <h3>2.4Safety Module</h3>
                 <img 
                 src="https://static.igem.wiki/teams/5378/school-badge/yanyintech.webp"
                 alt="example"