diff --git a/Bootstrap.Admin/Startup.cs b/Bootstrap.Admin/Startup.cs
index c95dd5ba..2ee0d6bf 100644
--- a/Bootstrap.Admin/Startup.cs
+++ b/Bootstrap.Admin/Startup.cs
@@ -80,7 +80,11 @@ namespace Bootstrap.Admin
                 options.SerializerSettings.DateFormatString = "yyyy-MM-dd HH:mm:ss";
                 JsonConvert.DefaultSettings = () => options.SerializerSettings;
             }).SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
-            services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme).AddCookie(options => options.Cookie.Path = "/");
+            services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme).AddCookie(options =>
+            {
+                options.Cookie.Path = "/";
+                options.Cookie.Domain = Configuration["Domain"];
+            });
             services.AddApiVersioning(option =>
             {
                 option.DefaultApiVersion = new ApiVersion(1, 0);
diff --git a/Bootstrap.Admin/appsettings.Development.json b/Bootstrap.Admin/appsettings.Development.json
index f3add900..202ab083 100644
--- a/Bootstrap.Admin/appsettings.Development.json
+++ b/Bootstrap.Admin/appsettings.Development.json
@@ -17,6 +17,7 @@
   },
   "SwaggerPathBase": "",
   "AllowOrigins": "http://localhost:49185",
+  "Domain": null,
   "KeyPath": "..\\keys",
   "DisableAutomaticKeyGeneration": false,
   "LongbowCache": {
diff --git a/Bootstrap.Admin/appsettings.json b/Bootstrap.Admin/appsettings.json
index d23cca70..cb71eb2f 100644
--- a/Bootstrap.Admin/appsettings.json
+++ b/Bootstrap.Admin/appsettings.json
@@ -51,6 +51,7 @@
   ],
   "SwaggerPathBase": "/BA",
   "AllowOrigins": "http://localhost,http://argo.zylweb.cn",
+  "Domain": null,
   "KeyPath": "..\\keys",
   "ApplicationName": "__bd__",
   "ApplicationDiscriminator": "BootstrapAdmin",
diff --git a/Bootstrap.Client/Startup.cs b/Bootstrap.Client/Startup.cs
index c304491d..99734319 100644
--- a/Bootstrap.Client/Startup.cs
+++ b/Bootstrap.Client/Startup.cs
@@ -60,6 +60,7 @@ namespace Bootstrap.Client
             services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme).AddCookie(options =>
             {
                 options.Cookie.Path = "/";
+                options.Cookie.Domain = Configuration["Domain"];
                 options.RebuildRedirectUri(Configuration["AuthHost"]);
             });
         }
diff --git a/Bootstrap.Client/appsettings.Development.json b/Bootstrap.Client/appsettings.Development.json
index 1ea4fc1f..a55f84de 100644
--- a/Bootstrap.Client/appsettings.Development.json
+++ b/Bootstrap.Client/appsettings.Development.json
@@ -32,5 +32,6 @@
   ],
   "KeyPath": "..\\keys",
   "AuthHost": "http://localhost:50852",
-  "AllowOrigins": "http://localhost:50852"
+  "AllowOrigins": "http://localhost:50852",
+  "Domain": null
 }
diff --git a/Bootstrap.Client/appsettings.json b/Bootstrap.Client/appsettings.json
index de1e128b..6c18a691 100644
--- a/Bootstrap.Client/appsettings.json
+++ b/Bootstrap.Client/appsettings.json
@@ -30,6 +30,7 @@
   ],
   "AppId": 2,
   "AuthHost": "http://argo.zylweb.cn/BA",
+  "Domain": null,
   "AllowOrigins": "http://localhost,http://argo.zylweb.cn",
   "KeyPath": "..\\keys",
   "ApplicationName": "__bd__",