修复登录二维码无法显示的问题

src/DownKyi.Core/BiliApi/Login/LoginQR.cs

@@ -120,7 +120,7 @@ namespace DownKyi.Core.BiliApi.Login
         public static BitmapImage GetLoginQRCode(string url)
         {
             // 设置的参数影响app能否成功扫码
-            Bitmap qrCode = Utils.QRCode.EncodeQRCode(url, 10, 10, null, 0, 0, false);
+            Bitmap qrCode = Utils.QRCode.EncodeQRCode(url, 12, 10, null, 0, 0, false);
 
             MemoryStream ms = new MemoryStream();
             qrCode.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);

src/DownKyi.Core/BiliApi/LoginNew/LoginQR.cs

@@ -83,7 +83,7 @@ namespace DownKyi.Core.BiliApi.LoginNew
         public static BitmapImage GetLoginQRCode(string url)
         {
             // 设置的参数影响app能否成功扫码
-            Bitmap qrCode = Utils.QRCode.EncodeQRCode(url, 10, 10, null, 0, 0, false);
+            Bitmap qrCode = Utils.QRCode.EncodeQRCode(url, 12, 10, null, 0, 0, false);
 
             MemoryStream ms = new MemoryStream();
             qrCode.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);

src/DownKyi/ViewModels/ViewUserSpaceViewModel.cs

@@ -362,7 +362,7 @@ namespace DownKyi.ViewModels
                         sexUri = new Uri($"pack://application:,,,/Resources/sex/female.png");
                     }
                     // 显示vip信息
-                    if (userInfo.Vip.Label.Text == null || userInfo.Vip.Label.Text == "")
+                    if (userInfo.Vip == null || userInfo.Vip.Label.Text == null || userInfo.Vip.Label.Text == "")
                     {
                         VipTypeVisibility = Visibility.Collapsed;
                     }