diff --git a/YD_AllHeartRates.Api/Services/Impl/HeartRateReportService.cs b/YD_AllHeartRates.Api/Services/Impl/HeartRateReportService.cs
index b277a88..270f065 100644
--- a/YD_AllHeartRates.Api/Services/Impl/HeartRateReportService.cs
+++ b/YD_AllHeartRates.Api/Services/Impl/HeartRateReportService.cs
@@ -77,8 +77,8 @@ namespace YD_AllHeartRates.Api.Services.Impl
                     .Where(x => x.SchoolCode == schoolCode && x.ScoreTime > dayStart && x.ScoreTime <= dayEnd)
                     .ToListAsync();
 
-                // 写入缓存，过期时间 8 小时 = 28800 秒
-                _caching.AddObject(cacheKey, data, 28800);
+                // 写入缓存，过期时间 8 小时 = 3600 秒
+                _caching.AddObject(cacheKey, data, 3600);
             }
 
             res.SportsData.OnlineDevicesCount = data.GroupBy(x => x.StudentNo).Count();
@@ -163,8 +163,8 @@ namespace YD_AllHeartRates.Api.Services.Impl
                     .Where(x => x.SchoolCode == schoolCode && x.ScoreTime > dayStart && x.ScoreTime <= dayEnd)
                     .ToListAsync();
 
-                // 写入缓存，过期时间 8 小时 = 28800 秒
-                _caching.AddObject(cacheKey, allData, 28800);
+                // 写入缓存，过期时间 8 小时 = 3600 秒
+                _caching.AddObject(cacheKey, allData, 3600);
             }
 
             var data = allData.Where(x => x.GradeId == gradeId).ToList();
@@ -245,8 +245,8 @@ namespace YD_AllHeartRates.Api.Services.Impl
                     .Where(x => x.SchoolCode == schoolCode && x.ScoreTime > dayStart && x.ScoreTime <= dayEnd)
                     .ToListAsync();
 
-                // 写入缓存，过期时间 8 小时 = 28800 秒
-                _caching.AddObject(cacheKey, allData, 28800);
+                // 写入缓存，过期时间 8 小时 = 3600 秒
+                _caching.AddObject(cacheKey, allData, 3600);
             }
 
             var data = allData.Where(x => x.ClassId == classId).ToList();
@@ -301,8 +301,8 @@ namespace YD_AllHeartRates.Api.Services.Impl
                     .Where(x => x.SchoolCode == schoolCode && x.ScoreTime > dayStart && x.ScoreTime <= dayEnd)
                     .ToListAsync();
 
-                // 写入缓存，过期时间 8 小时 = 28800 秒
-                _caching.AddObject(cacheKey, allData, 28800);
+                // 写入缓存，过期时间 8 小时 = 3600 秒
+                _caching.AddObject(cacheKey, allData, 3600);
             }
 
             var data = allData.Where(x => x.StudentNo == studentNo).ToList();