diff --git a/Document.md b/Document.md
index 9238ffe8..ef8ad273 100644
--- a/Document.md
+++ b/Document.md
@@ -322,7 +322,7 @@
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 <br />
 
-## <h2 id="3">3.对应关系总览<h2/>
+## <h2 id="3">3.对应关系总览(设计规范)<h2/>
 
 ### <h3 id="3.1">3.1 操作方法<h3/>