diff --git a/lib/list_tile/as_card_expandable.dart b/lib/list_tile/as_card_expandable.dart
index fee5f7f..413fb27 100644
--- a/lib/list_tile/as_card_expandable.dart
+++ b/lib/list_tile/as_card_expandable.dart
@@ -10,7 +10,7 @@ import 'package:flutter_screenutil/flutter_screenutil.dart';
 ///ASCardExpandable.custom 自定义显示列表，
 ///默认自动将extra连接在children后面
 class ASCardExpandable extends StatefulWidget {
-  final dynamic title;
+  final Widget title;
   final List<Widget> mid;
   final List<Widget> children;
   final List<Widget> extra;
@@ -61,21 +61,6 @@ class ASCardExpandable extends StatefulWidget {
 
 class _ASCardExpandableState extends State<ASCardExpandable> {
   ExpandableController _expandableController = ExpandableController();
-  Widget get _title {
-    if (widget.title is String)
-      return widget.title.text.black.bold.size(16.sp).make();
-    if (widget.title is Widget)
-      return DefaultTextStyle(
-        child: widget.title,
-        style: TextStyle(
-          color: Colors.black,
-          fontWeight: FontWeight.bold,
-          fontSize: 16.sp,
-        ),
-      );
-    else
-      return SizedBox();
-  }
 
   @override
   Widget build(BuildContext context) {
@@ -87,7 +72,14 @@ class _ASCardExpandableState extends State<ASCardExpandable> {
         ),
         controller: _expandableController,
         header: ASListTileX(
-          title: _title,
+          title: DefaultTextStyle(
+            child: widget.title,
+            style: TextStyle(
+              color: Colors.black,
+              fontWeight: FontWeight.bold,
+              fontSize: 16.sp,
+            ),
+          ),
           prefixes: widget.mid,
           suffix: ASMaterialButton(
             child: AnimatedSwitcher(