diff --git a/wiki/pages/model.html b/wiki/pages/model.html
index ed4a6198d275e2d7a9f522e0b2b63b77bd4107e1..bbef2e9ed63e5e7c4e125c47a90f904c84fa7438 100755
--- a/wiki/pages/model.html
+++ b/wiki/pages/model.html
@@ -214,7 +214,7 @@
 				</div>
 				<div class='img'>
 					<img style="width: 90%;" src='https://static.igem.wiki/teams/4400/wiki/model/pic5.png' alt=''>
-					<div>Figure4. Results before and after the alignment.</div>
+					<div>Figure5. Results before and after the alignment.</div>
 				</div>
 				<div class='title1'>
 					Reference：