diff --git a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
index 51774b859..335ffc223 100644
--- a/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
+++ b/IRaCIS.Core.Application/Service/Reading/ReadingImageTask/ReadingImageTaskService.cs
@@ -2580,12 +2580,12 @@ namespace IRaCIS.Application.Services
             int restMinute = 10; //
 
 			var startReadingTime = _provider.Get<string>(startReadingTimeKey).Value;
-			var startRestTime = _provider.Get<string>(startReadingTimeKey).Value;
+			var startRestTime = _provider.Get<string>(startRestTimeKey).Value;
             if (startReadingTime == null && startRestTime == null)
             {
                 _provider.Set(startReadingTimeKey, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), TimeSpan.FromHours(48));
             }
-            else if (startRestTimeKey != null)
+            else if (startRestTime != null)
             {
 				var cacheStartRestTime = DateTime.Parse(startRestTime!.ToString());
 				int timespanMin = (DateTime.Now - cacheStartRestTime).Minutes;
@@ -2637,7 +2637,7 @@ namespace IRaCIS.Application.Services
 			int restMinute = 10; //
 
 			var startReadingTime = _provider.Get<string>(startReadingTimeKey).Value;
-			var startRestTime = _provider.Get<string>(startReadingTimeKey).Value;
+			var startRestTime = _provider.Get<string>(startRestTimeKey).Value;
             if (startRestTime != null)
             {
                 var cacheStartRestTime = DateTime.Parse(startRestTime!.ToString());