diff --git a/YD_YiLu.Commons/Dto/DeviceSync/DeviceSyncMyRecordDto.cs b/YD_YiLu.Commons/Dto/DeviceSync/DeviceSyncMyRecordDto.cs
index cc86499..03fd8e4 100644
--- a/YD_YiLu.Commons/Dto/DeviceSync/DeviceSyncMyRecordDto.cs
+++ b/YD_YiLu.Commons/Dto/DeviceSync/DeviceSyncMyRecordDto.cs
@@ -105,6 +105,6 @@ namespace YD_YiLu.Commons.Dto.DeviceSync
         public int CourseId { get; set; }
         public string CourseName { get; set; }
         public string Time { get; set; }
-        public int Count { get; set; }
+        public string Count { get; set; }
     }
 }
diff --git a/YD_YiLu/Services/Impl/DeviceSyncService.cs b/YD_YiLu/Services/Impl/DeviceSyncService.cs
index e1f3b7b..033b665 100644
--- a/YD_YiLu/Services/Impl/DeviceSyncService.cs
+++ b/YD_YiLu/Services/Impl/DeviceSyncService.cs
@@ -1189,8 +1189,8 @@ namespace YD_YiLu.Api.Services.Impl
                 {
                     CourseId = g.Key,
                     CourseName = Util.GetEnumDescription<CourseType>(g.Key),
-                    Time = SecondsToHours(g.Sum(x => x.Duration)),
-                    Count = g.Count()
+                    Time = SecondsToWholeHours(g.Sum(x => x.Duration)),
+                    Count = g.Count().ToString()
                 })
                 .OrderByDescending(x => double.TryParse(x.Time, out var hours) ? hours : 0)
                 .ToList();
@@ -1441,31 +1441,35 @@ namespace YD_YiLu.Api.Services.Impl
             return (seconds / 3600.0).ToString("0.####");
         }
 
+        private static string SecondsToWholeHours(int seconds)
+        {
+            if (seconds <= 0)
+                return "0";
+
+            return Math.Ceiling(seconds / 3600.0).ToString("0");
+        }
+
         private static bool IsYtpSummaryDateType(int dateType)
         {
-            return dateType == 1 || dateType == 2 || dateType == 3 || dateType == 4 || dateType == 9;
+            return dateType >= 0 && dateType <= 9;
         }
 
         private static string GetYtpSummaryTime(int dateType)
         {
-            var today = DateTime.Now.Date;
-            var weekStart = GetWeekStart(today);
-            var monthStart = new DateTime(today.Year, today.Month, 1);
-
-            switch (dateType)
+            return dateType switch
             {
-                case 1:
-                    return today.ToString("yyyy-MM-dd");
-                case 2:
-                    return $"{weekStart:MM-dd}~{weekStart.AddDays(6):MM-dd}";
-                case 3:
-                    return monthStart.AddMonths(1).AddDays(-1).ToString("MM-dd");
-                case 9:
-                    return today.Year.ToString();
-            }
-
-            var (start, end) = GetCurrentSemesterRange(today);
-            return $"{start:MM-dd}~{end:MM-dd}";
+                0 => "\u5168\u90e8",
+                1 => "\u4eca\u65e5",
+                2 => "\u672c\u5468",
+                3 => "\u672c\u6708",
+                4 => "\u672c\u5b66\u671f",
+                5 => "\u6307\u5b9a\u65f6\u95f4",
+                6 => "\u4e0a\u5468",
+                7 => "\u4e0a\u6708",
+                8 => "\u6700\u8fd1\u4e09\u4e2a\u6708",
+                9 => "\u672c\u5e74\u5ea6",
+                _ => ""
+            };
         }
 
         private static DateTime GetWeekStart(DateTime today)