diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpBorderTagHelper.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpBorderTagHelper.cs
index 2ab667d08b..bc7a6f9829 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpBorderTagHelper.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpBorderTagHelper.cs
@@ -5,7 +5,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Border
     [HtmlTargetElement(Attributes = "abp-border")]
     public class AbpBorderTagHelper : AbpTagHelper<AbpBorderTagHelper, AbpBorderTagHelperService>
     {
-        public AbpBorderType AbpBorder { get; set; } = AbpBorderType._;
+        public AbpBorderType AbpBorder { get; set; } = AbpBorderType.Default;
 
         public AbpBorderTagHelper(AbpBorderTagHelperService tagHelperService)
             : base(tagHelperService)
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpBorderType.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpBorderType.cs
index 08bdfb92cb..14b1684876 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpBorderType.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpBorderType.cs
@@ -2,7 +2,7 @@
 {
     public enum AbpBorderType
     {
-        _,
+        Default,
         _0,
         Primary,
         Secondary,
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedTagHelper.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedTagHelper.cs
new file mode 100644
index 0000000000..f8c3489cc9
--- /dev/null
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedTagHelper.cs
@@ -0,0 +1,16 @@
+using Microsoft.AspNetCore.Razor.TagHelpers;
+
+namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Border
+{
+    [HtmlTargetElement(Attributes = "abp-rounded")]
+    public class AbpRoundedTagHelper : AbpTagHelper<AbpRoundedTagHelper, AbpRoundedTagHelperService>
+    {
+        public AbpRoundedType AbpRounded { get; set; } = AbpRoundedType.Default;
+
+        public AbpRoundedTagHelper(AbpRoundedTagHelperService tagHelperService)
+            : base(tagHelperService)
+        {
+
+        }
+    }
+}
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedTagHelperService.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedTagHelperService.cs
new file mode 100644
index 0000000000..89436785ba
--- /dev/null
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedTagHelperService.cs
@@ -0,0 +1,20 @@
+using Microsoft.AspNetCore.Razor.TagHelpers;
+using Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.Microsoft.AspNetCore.Razor.TagHelpers;
+
+namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Border
+{
+    public class AbpRoundedTagHelperService : AbpTagHelperService<AbpRoundedTagHelper>
+    {
+        public override void Process(TagHelperContext context, TagHelperOutput output)
+        {
+            var roundedClass = "rounded";
+
+            if (TagHelper.AbpRounded != AbpRoundedType.Default)
+            {
+                roundedClass += "-" + TagHelper.AbpRounded.ToString().ToLowerInvariant().Replace("_","");
+            }
+
+            output.Attributes.AddClass(roundedClass);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedType.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedType.cs
new file mode 100644
index 0000000000..1910ffc714
--- /dev/null
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Border/AbpRoundedType.cs
@@ -0,0 +1,12 @@
+namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Border
+{
+    public enum AbpRoundedType
+    {
+        Default,
+        _0,
+        Top,
+        Right,
+        Left,
+        Bottom
+    }
+}
\ No newline at end of file