diff --git a/kernel/treenode/heading.go b/kernel/treenode/heading.go
index eeecfcd1c..0e9753d2b 100644
--- a/kernel/treenode/heading.go
+++ b/kernel/treenode/heading.go
@@ -100,7 +100,7 @@ func GetParentFoldedHeading(node *ast.Node) (parentFoldedHeading *ast.Node) {
 		}
 
 		if n.HeadingLevel >= currentLevel {
-			break
+			continue
 		}
 		currentLevel = n.HeadingLevel