修改tag

example/lib/example_tag.dart

@@ -19,15 +19,15 @@ class _ExampaleTagState extends State<ExampleTag> {
           children: [
             ListTile(
               title: Text('yellowSolid'),
-              trailing: ASTag.yellowSolid('带电'),
+              trailing: ASTag.yellowSolid('带电',),
             ),
             ListTile(
               title: Text('redHollow'),
-              trailing: ASTag.redHollow('带磁'),
+              trailing: ASTag.redHollow('带磁',width: 36.w,),
             ),
             ListTile(
               title: Text('yellowHollow'),
-              trailing: ASTag.yellowHollow('选填'),
+              trailing: ASTag.yellowHollow('选填',width: 36.w,),
             ),
             ListTile(
               title: Text('redHollow'),

lib/tag/as_tag.dart

@@ -115,10 +115,9 @@ class _ASTagState extends State<ASTag> {
   @override
   Widget build(BuildContext context) {
     return Container(
-      padding: widget.padding ?? EdgeInsets.symmetric(horizontal: 6.w),
+      padding: widget.padding ?? EdgeInsets.symmetric(horizontal: 6.w,vertical: 2.w),
-      alignment: Alignment.center,
       width: widget.width,
-      height: widget.height ?? 18.w,
+      height: widget.height,
       decoration: BoxDecoration(
           color: widget.bgColor ?? kDarkPrimaryColor,
           border: widget.outline