fix:issue #339

Ink Canvas/MainWindow_cs/MW_FloatingBarIcons.cs

@@ -709,15 +709,13 @@ namespace Ink_Canvas
                     BlackBoardWaterMark.Visibility = Visibility.Collapsed;
                 }
 
-                try
+                _ = UpdateChickenSoupTextAsync().ContinueWith(t =>
                 {
-                    _ = UpdateChickenSoupTextAsync();
-                }
-                catch (Exception ex)
+                    if (t.IsFaulted)
                     {
                         try
                         {
-                        LogHelper.WriteLogToFile($"进入白板模式时更新名言失败: {ex.Message}", LogHelper.LogType.Warning);
+                            LogHelper.WriteLogToFile($"进入白板模式时更新名言失败: {t.Exception?.GetBaseException().Message}", LogHelper.LogType.Warning);
                         }
                         catch
                         {
@@ -752,6 +750,7 @@ namespace Ink_Canvas
                             BlackBoardWaterMark.Text = "一言功能不可用";
                         }
                     }
+                }, TaskScheduler.FromCurrentSynchronizationContext());
 
                 if (Settings.Canvas.UsingWhiteboard)
                 {