From d98113af8f1051eeb8a764df98808a1f23f3a878 Mon Sep 17 00:00:00 2001
From: ywmoyue <ywmoyue@163.com>
Date: Sat, 26 Oct 2024 10:51:08 +0800
Subject: [PATCH] =?UTF-8?q?#884=20=E4=BF=AE=E5=A4=8DWin10=E4=B8=8B?=
 =?UTF-8?q?=E6=97=A0=E6=B3=95=E8=87=AA=E5=AE=9A=E4=B9=89=E6=96=B0=E6=A0=87?=
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Content-Transfer-Encoding: 8bit

---
 src/BiliLite.UWP/Extensions/FileExtensions.cs | 14 ++++++++++++++
 src/BiliLite.UWP/Pages/NewPage.xaml.cs        |  2 +-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/BiliLite.UWP/Extensions/FileExtensions.cs b/src/BiliLite.UWP/Extensions/FileExtensions.cs
index 9544f523..05e36550 100644
--- a/src/BiliLite.UWP/Extensions/FileExtensions.cs
+++ b/src/BiliLite.UWP/Extensions/FileExtensions.cs
@@ -23,5 +23,19 @@ public static async Task<StorageFile> GetExportFile(string fileTypeChoiceKey, st
             var file = await savePicker.PickSaveFileAsync();
             return file;
         }
+
+        public static async Task<bool> CheckFileExist(this string path)
+        {
+            try
+            {
+                var file = await StorageFile.GetFileFromPathAsync(path);
+                return file != null;
+            }
+            catch (Exception)
+            {
+                // 如果文件不存在或者路径无效，将捕获异常
+                return false;
+            }
+        }
     }
 }
diff --git a/src/BiliLite.UWP/Pages/NewPage.xaml.cs b/src/BiliLite.UWP/Pages/NewPage.xaml.cs
index 7ec045ca..52ced345 100644
--- a/src/BiliLite.UWP/Pages/NewPage.xaml.cs
+++ b/src/BiliLite.UWP/Pages/NewPage.xaml.cs
@@ -41,7 +41,7 @@ private async void SetBackground()
             }
             else
             {
-                if (!File.Exists(background))
+                if (!await background.CheckFileExist())
                 {
                     Notify.ShowMessageToast("背景图片不存在,请重新设置");
                     return;