From cebb8054d40f556a837c519231432b2855bccb9c Mon Sep 17 00:00:00 2001
From: BennyZhao <zhaopeiym@163.com>
Date: Mon, 25 Apr 2022 16:45:05 +0800
Subject: [PATCH] 
 https://github.com/zhaopeiym/quartzui/issues/73#issuecomment-1090075047

---
 QuartzNetAPI/Host/Controllers/SetingController.cs            | 2 +-
 QuartzNetAPI/Host/Entity/RefreshIntervalEntity.cs            | 2 +-
 .../src/app/task-list/task-list/task-list.component.ts       | 5 ++++-
 3 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/QuartzNetAPI/Host/Controllers/SetingController.cs b/QuartzNetAPI/Host/Controllers/SetingController.cs
index 553ddde..c08ddc5 100644
--- a/QuartzNetAPI/Host/Controllers/SetingController.cs
+++ b/QuartzNetAPI/Host/Controllers/SetingController.cs
@@ -180,7 +180,7 @@ private async Task<UpdateLoginInfoEntity> GetLoginAsync()
         [HttpPost]
         public async Task<RefreshIntervalEntity> GetRefreshInterval()
         {
-            return JsonConvert.DeserializeObject<RefreshIntervalEntity>(await System.IO.File.ReadAllTextAsync(refreshIntervalPath));
+            return JsonConvert.DeserializeObject<RefreshIntervalEntity>(await System.IO.File.ReadAllTextAsync(refreshIntervalPath)) ?? new RefreshIntervalEntity();
         }
 
         /// <summary>
diff --git a/QuartzNetAPI/Host/Entity/RefreshIntervalEntity.cs b/QuartzNetAPI/Host/Entity/RefreshIntervalEntity.cs
index 402d052..53dba0d 100644
--- a/QuartzNetAPI/Host/Entity/RefreshIntervalEntity.cs
+++ b/QuartzNetAPI/Host/Entity/RefreshIntervalEntity.cs
@@ -10,6 +10,6 @@ public class RefreshIntervalEntity
         /// <summary>
         /// 间隔时间
         /// </summary>
-        public int IntervalTime { get; set; }
+        public int IntervalTime { get; set; } = 10;
     }
 }
diff --git a/QuartzNetWeb/src/app/task-list/task-list/task-list.component.ts b/QuartzNetWeb/src/app/task-list/task-list/task-list.component.ts
index 97e8382..0efe0af 100644
--- a/QuartzNetWeb/src/app/task-list/task-list/task-list.component.ts
+++ b/QuartzNetWeb/src/app/task-list/task-list/task-list.component.ts
@@ -94,7 +94,10 @@ export class TaskListComponent implements OnInit {
   getRefreshInterval() {
     var url = this.baseUrl + "/api/Seting/GetRefreshInterval";
     this.http.post(url, {}, (result: any) => {
-      this.refreshValue = result.intervalTime * 1000;
+      if (!result || result.intervalTime === null || result.intervalTime === undefined)
+        this.refreshValue = 10 * 1000;
+      else
+        this.refreshValue = result.intervalTime * 1000;
     }, (err) => {
 
     });