目录间距

lib/pages/book_category/widgets/item.dart

@@ -134,7 +134,7 @@ class _BuildItemState extends State<BuildItem> {
           },
           child: Container(
               padding: EdgeInsets.symmetric(horizontal: 15.w),
-              height: 30.w,
+              height: 40.w,
               color: Colors.white,
               child: Row(
                 mainAxisAlignment: MainAxisAlignment.spaceBetween,
@@ -158,7 +158,7 @@ class _BuildItemState extends State<BuildItem> {
                       ):const SizedBox(),
                     ],
                   ),
-                  Transform.rotate(
+                  chapterModel.children!.isEmpty?const SizedBox(): Transform.rotate(
                       angle: chapterModel.selected?0:-90 * (3.141592653589793 / 180),
                       child: GestureDetector(
                         onTap: (){