diff --git a/src/BootstrapBlazor/wwwroot/css/bootstrap.blazor.bundle.min.css b/src/BootstrapBlazor/wwwroot/css/bootstrap.blazor.bundle.min.css
index f821e04e78b39196dfbc37b89600bd97c5ea351f..6e186ce977da98784e94d4b44213426059beffe1 100644
--- a/src/BootstrapBlazor/wwwroot/css/bootstrap.blazor.bundle.min.css
+++ b/src/BootstrapBlazor/wwwroot/css/bootstrap.blazor.bundle.min.css
@@ -19,4 +19,4 @@
  * Copyright 2020-2022 The Longbow Argo (argo@163.com)
  * Licensed under MIT (https://github.com/dotnetcore/BootstrapBlazor/blob/main/LICENSE)
  */
-:root{--bb-disabled-bg:#ebeef5;--bb-border-focus-color:#86b7fe;--bb-border-hover-color:#86b7fe;--bb-height:35px;--bb-disabled-opactiy:.65;--bb-dropdown-max-height:274px}body,.form-control,.dropdown-menu,.form-select,.input-group-text{font-size:.875rem}a,[for]{cursor:pointer}a,a:hover,a:focus{text-decoration:none}[disabled],:disabled,.disabled,.disabled>*{cursor:not-allowed !important}.disabled>i,.disabled .range-separator,:disabled,.form-control:disabled{opacity:var(--bb-disabled-opactiy)}:focus-visible,:focus{outline:none}.btn-group>.btn:not(:last-child){border-top-right-radius:0;border-bottom-right-radius:0}
\ No newline at end of file
+:root{--bb-disabled-bg:#ebeef5;--bb-border-focus-color:#86b7fe;--bb-border-hover-color:#86b7fe;--bb-height:35px;--bb-disabled-opactiy:.65;--bb-dropdown-max-height:274px}body,.form-control,.dropdown-menu,.form-select,.input-group-text{font-size:.875rem}a,[for]{cursor:pointer}a,a:hover,a:focus{text-decoration:none}[disabled],:disabled,.disabled,.disabled>*{cursor:not-allowed !important}.disabled>i,.disabled .range-separator,:disabled,.form-control:disabled{opacity:var(--bb-disabled-opactiy)}:focus-visible,:focus{outline:none}.btn-group>.btn:not(.dropdown-toggle):not(:last-child){border-top-right-radius:0;border-bottom-right-radius:0}
\ No newline at end of file
diff --git a/src/BootstrapBlazor/wwwroot/src/css/bootstrap.blazor.css b/src/BootstrapBlazor/wwwroot/src/css/bootstrap.blazor.css
index 13f5fba088be4d887076c4249bee8037b0318288..1d6bf90dc5e05205ede39e6e00b67b14493cd385 100644
--- a/src/BootstrapBlazor/wwwroot/src/css/bootstrap.blazor.css
+++ b/src/BootstrapBlazor/wwwroot/src/css/bootstrap.blazor.css
@@ -50,7 +50,7 @@ a,
 }
 
 /*修复 bootstrap 5.2.2 popover button 右侧圆角问题*/
-.btn-group > .btn:not(:last-child) {
+.btn-group > .btn:not(.dropdown-toggle):not(:last-child) {
     border-top-right-radius: 0;
     border-bottom-right-radius: 0;
 }