diff --git a/kernel/model/heading.go b/kernel/model/heading.go
index cc3111344..a6d2dedf9 100644
--- a/kernel/model/heading.go
+++ b/kernel/model/heading.go
@@ -112,6 +112,9 @@ func (tx *Transaction) doUnfoldHeading(operation *Operation) (ret *TxErr) {
 	}
 	sql.UpsertTreeQueue(tree)
 
+	// 展开折叠的标题后显示块引用计数 Display reference counts after unfolding headings https://github.com/siyuan-note/siyuan/issues/13618
+	fillBlockRefCount(children)
+
 	luteEngine := NewLute()
 	operation.RetData = renderBlockDOMByNodes(children, luteEngine)
 	return