diff --git a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Tab/AbpTabsTagHelperService.cs b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Tab/AbpTabsTagHelperService.cs
index 9b730d5c0d..3026860ed6 100644
--- a/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Tab/AbpTabsTagHelperService.cs
+++ b/framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/Tab/AbpTabsTagHelperService.cs
@@ -84,7 +84,7 @@ public class AbpTabsTagHelperService : AbpTagHelperService<AbpTabsTagHelper>
         var id = TagHelper.Name + "Content";
 
         var wrapper = new TagBuilder("div");
-        wrapper.AddCssClass("tab-content pt-3");
+        wrapper.AddCssClass("tab-content");
         wrapper.Attributes.Add("id", id);
         wrapper.InnerHtml.AppendHtml(contents);