diff --git a/src/admin/Bootstrap.Admin/Controllers/Api/SettingsController.cs b/src/admin/Bootstrap.Admin/Controllers/Api/SettingsController.cs
index ec0bb679..02f5b8bc 100644
--- a/src/admin/Bootstrap.Admin/Controllers/Api/SettingsController.cs
+++ b/src/admin/Bootstrap.Admin/Controllers/Api/SettingsController.cs
@@ -22,7 +22,7 @@ namespace Bootstrap.Admin.Controllers.Api
         /// <param name="value"></param>
         /// <returns></returns>
         [HttpPost]
-        [ButtonAuthorize(Url = "~/Admin/Settings", Auth = "saveTitle,saveFooter,saveTheme,saveUISettings")]
+        [ButtonAuthorize(Url = "~/Admin/Settings", Auth = "saveTitle,saveFooter,saveTheme,saveUISettings,clearCache,clearAllCache,loginSettings,lockScreen,defaultApp")]
         public bool Post([FromBody]BootstrapDict value) => DictHelper.SaveSettings(value);
 
         /// <summary>
diff --git a/src/admin/Bootstrap.Admin/Models/SettingsModel.cs b/src/admin/Bootstrap.Admin/Models/SettingsModel.cs
index 8d685ffc..ffeab346 100644
--- a/src/admin/Bootstrap.Admin/Models/SettingsModel.cs
+++ b/src/admin/Bootstrap.Admin/Models/SettingsModel.cs
@@ -18,6 +18,7 @@ namespace Bootstrap.Admin.Models
         {
             Themes = DictHelper.RetrieveThemes();
             AutoLockScreen = EnableAutoLockScreen ? "" : "lockScreen";
+            DefaultApp = DictHelper.RetrieveDefaultApp() ? "" : "defaultApp";
         }
 
         /// <summary>
@@ -29,5 +30,10 @@ namespace Bootstrap.Admin.Models
         /// 获得 是否开启自动锁屏
         /// </summary>
         public string AutoLockScreen { get; }
+
+        /// <summary>
+        /// 获得 是否开启自动锁屏
+        /// </summary>
+        public string DefaultApp { get; }
     }
 }
diff --git a/src/admin/Bootstrap.Admin/Views/Admin/Settings.cshtml b/src/admin/Bootstrap.Admin/Views/Admin/Settings.cshtml
index 3af6d769..fb64e909 100644
--- a/src/admin/Bootstrap.Admin/Views/Admin/Settings.cshtml
+++ b/src/admin/Bootstrap.Admin/Views/Admin/Settings.cshtml
@@ -143,6 +143,22 @@
         </div>
     </div>
 </div>
+<div class="card" asp-auth="defaultApp">
+    <div class="card-header">默认应用设置</div>
+    <div class="card-body">
+        <div class="form-inline">
+            <div class="row">
+                <div class="form-group col-6">
+                    <label class="control-label" for="defaultApp">默认应用</label>
+                    <input id="defaultApp" hidden type="checkbox" data-default-val="@Model.DefaultApp" data-toggle="toggle" data-width="120" data-onstyle="success" data-on="开启" data-off="关闭" />
+                </div>
+            </div>
+        </div>
+        <div class="modal-footer text-right">
+            <button data-method="saveDefaultApp" class="btn btn-secondary" type="button"><i class="fa fa-save"></i><span>保存</span></button>
+        </div>
+    </div>
+</div>
 <div class="card">
     <div class="card-header">
         <div class="d-flex align-items-center">
diff --git a/src/admin/Bootstrap.Admin/wwwroot/js/settings.js b/src/admin/Bootstrap.Admin/wwwroot/js/settings.js
index af739de1..33bd25dd 100644
--- a/src/admin/Bootstrap.Admin/wwwroot/js/settings.js
+++ b/src/admin/Bootstrap.Admin/wwwroot/js/settings.js
@@ -76,6 +76,12 @@ $(function () {
                     }
                 });
                 break;
+            case 'saveDefaultApp':
+                var defaultApp = $('#defaultApp').prop('checked') ? "1" : "0";
+                $.bc({
+                    url: Settings.url, data: { name: '默认应用程序', code: defaultApp, category: '系统设置' }, title: '保存默认应用程序设置', method: "post"
+                });
+               break;
         }
     });