diff --git a/example/lib/widgets/example_divider.dart b/example/lib/widgets/example_divider.dart
index b991a8c..800829a 100644
--- a/example/lib/widgets/example_divider.dart
+++ b/example/lib/widgets/example_divider.dart
@@ -23,8 +23,9 @@ class _ExampleDividerState extends State<ExampleDivider> {
               color: Colors.red,
               child: 'ASDivider'.text.make(),
             ),
-            ASDivider(color: Colors.black,),
-           
+            ASDivider(
+              color: Colors.black,
+            ),
             Row(
               children: [
                 Container(
@@ -45,12 +46,25 @@ class _ExampleDividerState extends State<ExampleDivider> {
               color: Colors.red,
               child: 'ASDottedDivider'.text.make(),
             ),
-            ASDottedDivider.horizontal(color: Colors.black,),
+            ASDottedDivider.horizontal(
+              color: Colors.black,
+            ),
+            
             Container(
-              width: double.infinity,
-              height: 50.w,
-              color: Colors.red,
-              child: 'ASDottedDivider'.text.make(),
+              height: 100.w,
+              child: Row(
+                children: [
+                  Container(
+                    color: Colors.red,
+                  ).expand(),
+                  ASDottedDivider.vertical(
+                    color: Colors.black,
+                  ),
+                  Container(
+                    color: Colors.red,
+                  ).expand(),
+                ],
+              ),
             ),
           ],
         ),
diff --git a/lib/divider/as_dotted_divider.dart b/lib/divider/as_dotted_divider.dart
index 2676be8..0531c33 100644
--- a/lib/divider/as_dotted_divider.dart
+++ b/lib/divider/as_dotted_divider.dart
@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/rendering.dart';
 import 'package:flutter_screenutil/flutter_screenutil.dart';
 
 class ASDottedDivider extends StatelessWidget {
@@ -37,7 +38,8 @@ class ASDottedDivider extends StatelessWidget {
           : boxConstraints.constrainHeight();
       final _dashWidth = dashWidth ?? 10.w;
       final _dashPattern = (1 + dash![1] / dash![0]);
-      final int count = (boxWidth / (_dashWidth * _dashPattern)).floor();
+      final int count =
+          (( boxWidth) / (_dashWidth * _dashPattern)).floor();
       return Flex(
           direction: axis,
           mainAxisAlignment: MainAxisAlignment.spaceBetween,