diff --git a/docs/uts/buildin-object-api/map.md b/docs/uts/buildin-object-api/map.md
index fe86e133fea8eb0646d39e5c74a6a1e517588ea4..8c14d6ffec2bb7eaea5f3e87e52b400c399bf113 100644
--- a/docs/uts/buildin-object-api/map.md
+++ b/docs/uts/buildin-object-api/map.md
@@ -24,7 +24,7 @@ console.log(map.get('key1')) // 跨端用法
 
 <!-- UTSJSON.Map.Constructor.tutorial -->
 
-### Constructor(entries?)_1
+### Constructor(entries?)
 
 <!-- UTSJSON.Map.Constructor_1.description -->