diff --git a/Bootstrap.Admin/Views/Admin/Dicts.cshtml b/Bootstrap.Admin/Views/Admin/Dicts.cshtml
index ad14bf9e..0c64fc0c 100644
--- a/Bootstrap.Admin/Views/Admin/Dicts.cshtml
+++ b/Bootstrap.Admin/Views/Admin/Dicts.cshtml
@@ -41,7 +41,7 @@
 }
 @section toolbar {
     <div class="toolbar btn-group dropdown">
-        <button class="btn btn-default dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
+        <button class="btn dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
         <div class="dropdown-menu">
             @await Html.PartialAsync("_ButtonBarGroup")
         </div>
diff --git a/Bootstrap.Admin/Views/Admin/Exceptions.cshtml b/Bootstrap.Admin/Views/Admin/Exceptions.cshtml
index 0133d856..420bc226 100644
--- a/Bootstrap.Admin/Views/Admin/Exceptions.cshtml
+++ b/Bootstrap.Admin/Views/Admin/Exceptions.cshtml
@@ -58,7 +58,7 @@
         <i class="fa fa-file-text-o" aria-hidden="true"></i><span>服务器日志</span>
     </button>
     <div class="toolbar btn-group dropdown">
-        <button class="btn btn-default dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
+        <button class="btn dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
         <div class="dropdown-menu">
             <a id="tb_view" href="#" title="查看明细"><i class="fa fa-file-text-o"></i></a>
         </div>
diff --git a/Bootstrap.Admin/Views/Admin/Groups.cshtml b/Bootstrap.Admin/Views/Admin/Groups.cshtml
index f9a30e7f..393e7e3e 100644
--- a/Bootstrap.Admin/Views/Admin/Groups.cshtml
+++ b/Bootstrap.Admin/Views/Admin/Groups.cshtml
@@ -31,7 +31,7 @@
         <span class="fa fa-user" aria-hidden="true"></span><span>指派用户</span>
     </button>
     <div class="toolbar btn-group">
-        <button class="btn btn-default dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
+        <button class="btn dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
         <div class="dropdown-menu">
             @await Html.PartialAsync("_ButtonBarGroup")
             <a id="tb_assignRole" href="#" title="指派角色"><i class="fa fa-sitemap"></i></a>
diff --git a/Bootstrap.Admin/Views/Admin/Menus.cshtml b/Bootstrap.Admin/Views/Admin/Menus.cshtml
index a841cc4f..1b519a97 100644
--- a/Bootstrap.Admin/Views/Admin/Menus.cshtml
+++ b/Bootstrap.Admin/Views/Admin/Menus.cshtml
@@ -61,7 +61,7 @@
         <span class="fa fa-sitemap" aria-hidden="true"></span><span>指派角色</span>
     </button>
     <div class="toolbar btn-group">
-        <button class="btn btn-default dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
+        <button class="btn dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
         <div class="dropdown-menu">
             @await Html.PartialAsync("_ButtonBarGroup")
             <a id="tb_assignRole" href="#" title="指派角色"><i class="fa fa-sitemap"></i></a>
@@ -84,8 +84,8 @@
                     <div class="input-group">
                         <input type="text" class="form-control" id="name" name="name" placeholder="不可为空，50字以内" maxlength="50" data-valid="true" />
                         <div class="input-group-append">
-                            <button data-method="clear" class="btn btn-default" type="button"><i class="fa fa-remove"></i></button>
-                            <button data-method="sel" class="btn btn-default" type="button"><i class="fa fa-edit"></i>全选</button>
+                            <button data-method="clear" class="btn" type="button"><i class="fa fa-remove"></i></button>
+                            <button data-method="sel" class="btn" type="button"><i class="fa fa-edit"></i>全选</button>
                         </div>
                     </div>
                 </div>
@@ -95,8 +95,8 @@
                     <div class="input-group">
                         <input type="text" class="form-control" readonly id="parentName" name="parentName" placeholder="请选择...(可为空)，50字以内" maxlength="50" />
                         <div class="input-group-append">
-                            <button data-method="clear" class="btn btn-default" type="button"><i class="fa fa-remove"></i></button>
-                            <button id="btnMenuParent" class="btn btn-default" type="button"><i class="fa fa-hand-o-up"></i>选择</button>
+                            <button data-method="clear" class="btn" type="button"><i class="fa fa-remove"></i></button>
+                            <button id="btnMenuParent" class="btn" type="button"><i class="fa fa-hand-o-up"></i>选择</button>
                         </div>
                     </div>
                 </div>
@@ -105,8 +105,8 @@
                     <div class="input-group">
                         <input type="text" class="form-control digits" id="order" name="order" data-default-val="10" placeholder="默认为10" maxlength="8" data-valid="true" />
                         <div class="input-group-append">
-                            <button data-method="clear" class="btn btn-default" type="button"><i class="fa fa-remove"></i></button>
-                            <button id="btnMenuOrder" class="btn btn-default" type="button"><i class="fa fa-list-ol"></i>调整</button>
+                            <button data-method="clear" class="btn" type="button"><i class="fa fa-remove"></i></button>
+                            <button id="btnMenuOrder" class="btn" type="button"><i class="fa fa-list-ol"></i>调整</button>
                         </div>
                     </div>
                 </div>
@@ -115,8 +115,8 @@
                     <div class="input-group">
                         <input type="text" class="form-control" readonly id="icon" data-default-val="fa fa-fa" placeholder="请选择...(可为空)，50字以内" maxlength="50" />
                         <div class="input-group-append">
-                            <button data-method="clear" class="btn btn-default" type="button"><i class="fa fa-remove"></i></button>
-                            <button id="btnIcon" class="btn btn-default" type="button"><i class="fa fa-dashboard"></i>选择</button>
+                            <button data-method="clear" class="btn" type="button"><i class="fa fa-remove"></i></button>
+                            <button id="btnIcon" class="btn" type="button"><i class="fa fa-dashboard"></i>选择</button>
                         </div>
                     </div>
                 </div>
@@ -195,7 +195,7 @@
         </div>
         <div class="modal-footer">
             <span>被选择的图标</span><i id="pickIcon"></i>
-            <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
+            <button type="button" class="btn" data-dismiss="modal">关闭</button>
             <button type="button" class="btn btn-primary" id="btnSubmitIcon">保存</button>
         </div>
     </div>
diff --git a/Bootstrap.Admin/Views/Admin/Roles.cshtml b/Bootstrap.Admin/Views/Admin/Roles.cshtml
index 54c8c73a..76ed1ae8 100644
--- a/Bootstrap.Admin/Views/Admin/Roles.cshtml
+++ b/Bootstrap.Admin/Views/Admin/Roles.cshtml
@@ -40,7 +40,7 @@
         <span class="fa fa-dashboard" aria-hidden="true"></span><span>指派菜单</span>
     </button>
     <div class="toolbar btn-group">
-        <button class="btn btn-default dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
+        <button class="btn dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
         <div class="dropdown-menu">
             @await Html.PartialAsync("_ButtonBarGroup")
             <a id="tb_assignUser" href="#" title="指派用户"><i class="fa fa-user"></i></a>
diff --git a/Bootstrap.Admin/Views/Admin/Users.cshtml b/Bootstrap.Admin/Views/Admin/Users.cshtml
index 7151e379..4aa492c2 100644
--- a/Bootstrap.Admin/Views/Admin/Users.cshtml
+++ b/Bootstrap.Admin/Views/Admin/Users.cshtml
@@ -31,7 +31,7 @@
         <span class="fa fa-bank" aria-hidden="true"></span><span>指派部门</span>
     </button>
     <div class="toolbar btn-group">
-        <button class="btn btn-default dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
+        <button class="btn dropdown-toggle" data-toggle="dropdown" type="button"><i class="fa fa-gear"></i></button>
         <div class="dropdown-menu">
             @await Html.PartialAsync("_ButtonBarGroup")
             <a id="tb_assignRole" href="#" title="指派角色"><i class="fa fa-sitemap"></i></a>