From 0bcaef13834bdbb7a9bfac4eed15930df1a08ff2 Mon Sep 17 00:00:00 2001
From: falcon <9504402@qq.com>
Date: Fri, 8 Apr 2022 12:21:43 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E5=90=8E=E5=8F=B0=E9=95=BF?=
 =?UTF-8?q?=E6=9C=9F=E4=BB=BB=E5=8A=A1OnException=E5=A4=84=E7=90=86?=
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---
 Falcon.SugarApi/BackTask/BackgroundLongTask.cs | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Falcon.SugarApi/BackTask/BackgroundLongTask.cs b/Falcon.SugarApi/BackTask/BackgroundLongTask.cs
index d90abb5..83af172 100644
--- a/Falcon.SugarApi/BackTask/BackgroundLongTask.cs
+++ b/Falcon.SugarApi/BackTask/BackgroundLongTask.cs
@@ -30,6 +30,10 @@ namespace Falcon.SugarApi.BackTask
         /// 完成一次执行
         /// </summary>
         protected virtual void OnCompleted(BackgroundLongTask t) { }
+        /// <summary>
+        /// 执行中发生未处理异常
+        /// </summary>
+        protected virtual void OnException(BackgroundLongTask t, Exception ex) { }
 
         /// <summary>
         /// 用于定期执行任务的委托
@@ -46,8 +50,15 @@ namespace Falcon.SugarApi.BackTask
                 OnStart(this);
                 while (!TokenSource.Token.IsCancellationRequested) {
                     await Task.Delay(TimeSpan.FromSeconds(RunTimespan))
-                    .ContinueWith(_ => { RunAsync().Wait(); })
-                    .ContinueWith(_ => OnCompleted(this));
+                    .ContinueWith(async _ => {
+                        try {
+                            await RunAsync();
+                        }
+                        catch (Exception ex) {
+                            OnException(this, ex);
+                        }
+                    })
+                    .ContinueWith(t => { OnCompleted(this); });
                 }
                 OnStop(this);
             };