diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertHeaderTagHelper.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertHeaderTagHelper.cs
index 385d34ba57..45c0a667c2 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertHeaderTagHelper.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertHeaderTagHelper.cs
@@ -2,12 +2,12 @@
 
 namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Alert
 {
-    [HtmlTargetElement("h1", Attributes = "abp-alert-header", TagStructure = TagStructure.NormalOrSelfClosing)]
-    [HtmlTargetElement("h2", Attributes = "abp-alert-header", TagStructure = TagStructure.NormalOrSelfClosing)]
-    [HtmlTargetElement("h3", Attributes = "abp-alert-header", TagStructure = TagStructure.NormalOrSelfClosing)]
-    [HtmlTargetElement("h4", Attributes = "abp-alert-header", TagStructure = TagStructure.NormalOrSelfClosing)]
-    [HtmlTargetElement("h5", Attributes = "abp-alert-header", TagStructure = TagStructure.NormalOrSelfClosing)]
-    [HtmlTargetElement("h6", Attributes = "abp-alert-header", TagStructure = TagStructure.NormalOrSelfClosing)]
+    [HtmlTargetElement("h1", ParentTag = "abp-alert", TagStructure = TagStructure.NormalOrSelfClosing)]
+    [HtmlTargetElement("h2", ParentTag = "abp-alert", TagStructure = TagStructure.NormalOrSelfClosing)]
+    [HtmlTargetElement("h3", ParentTag = "abp-alert", TagStructure = TagStructure.NormalOrSelfClosing)]
+    [HtmlTargetElement("h4", ParentTag = "abp-alert", TagStructure = TagStructure.NormalOrSelfClosing)]
+    [HtmlTargetElement("h5", ParentTag = "abp-alert", TagStructure = TagStructure.NormalOrSelfClosing)]
+    [HtmlTargetElement("h6", ParentTag = "abp-alert", TagStructure = TagStructure.NormalOrSelfClosing)]
     public class AbpAlertHeaderTagHelper : AbpTagHelper<AbpAlertHeaderTagHelper, AbpAlertHeaderTagHelperService>
     {
 
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertHeaderTagHelperService.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertHeaderTagHelperService.cs
index 69bff1995c..1e3b9e7c2a 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertHeaderTagHelperService.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertHeaderTagHelperService.cs
@@ -8,7 +8,6 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Alert
         public override void Process(TagHelperContext context, TagHelperOutput output)
         {
             output.Attributes.AddClass("alert-heading");
-            output.Attributes.RemoveAll("abp-alert-header");
         }
     }
 }
\ No newline at end of file
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertLinkTagHelperService.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertLinkTagHelperService.cs
index 07d9ca73eb..9cf468384b 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertLinkTagHelperService.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertLinkTagHelperService.cs
@@ -8,7 +8,6 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Alert
         public override void Process(TagHelperContext context, TagHelperOutput output)
         {
             output.Attributes.AddClass("alert-link");
-            output.Attributes.RemoveAll("abp-alert-link");
         }
         
     }
diff --git a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertTagHelperService.cs b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertTagHelperService.cs
index 747bd84c21..a94f7d9ce8 100644
--- a/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertTagHelperService.cs
+++ b/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Alert/AbpAlertTagHelperService.cs
@@ -6,14 +6,12 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Alert
 {
     public class AbpAlertTagHelperService : AbpTagHelperService<AbpAlertTagHelper>
     {
-
         public override void Process(TagHelperContext context, TagHelperOutput output)
         {
             output.TagName = "div";
             output.TagMode = TagMode.StartTagAndEndTag;
 
             AddClasses(context, output);
-
             AddDismissButtonIfDismissible(context, output);
         }
 
@@ -45,7 +43,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers.Alert
             var buttonAsHtml =
                 "<button type=\"button\" class=\"close\" data-dismiss=\"alert\" aria-label=\"Close\">" + Environment.NewLine +
                 "    <span aria-hidden=\"true\">&times;</span>" + Environment.NewLine +
-                "  </button>";
+                " </button>";
 
             output.PostContent.SetHtmlContent(buttonAsHtml);
         }