diff --git a/Assets/Scripts/Apis/UserApi.cs b/Assets/Scripts/Apis/UserApi.cs
index f04fd7b6..17ad08ef 100644
--- a/Assets/Scripts/Apis/UserApi.cs
+++ b/Assets/Scripts/Apis/UserApi.cs
@@ -248,7 +248,14 @@ namespace Assets.Scripts.Apis
         }
         public JsonResult<object> Update(UserResultModel currUser, out string cookie, string filePath = "")
         {
-            cookie = App.CurrentUser.cookie;
+            if (App.CurrentUser != null)
+            {
+                cookie = App.CurrentUser.cookie;
+            }
+            else 
+            {
+                cookie = null;
+            }
             //return await PostAsync<JsonResult<dynamic>>("User/UpdateUserSetting", new {
             //    UID = currUser.Id,
             //    Sex = currUser.Sex,