diff --git a/Server/YD_XinWei/Services/Impl/LargeScreenService.cs b/Server/YD_XinWei/Services/Impl/LargeScreenService.cs
index 8dd985c..d42284b 100644
--- a/Server/YD_XinWei/Services/Impl/LargeScreenService.cs
+++ b/Server/YD_XinWei/Services/Impl/LargeScreenService.cs
@@ -126,18 +126,18 @@ namespace YD_XinWei.Api.Services.Impl
                 _caching.AddObject(sportsTestDataKey, sportsTestData, 60);
             }
 
-            //var bestScoreData = sportsTestData
-            //    .GroupBy(x => x.StudentNo)
-            //    .Select(g => g.OrderByDescending(x => x.ScoreTime).First())
-            //    .ToList();
+            var bestScoreData = sportsTestData
+                .GroupBy(x => x.StudentNo)
+                .Select(g => g.OrderByDescending(x => x.ScoreTime).First())
+                .ToList();
 
-            var projectResults = sportsTestData
+            var projectResults = bestScoreData
                 .GroupBy(x => x.CategoryValue)
                 .Select(g => new ItemDataDto
                 {
                     CategoryValue = g.Key,
                     // 优良率计算：分数 > 80 的人数 ÷ 总人数
-                    ExcellentRate = (int)Math.Round(g.Count(x => x.Score > 80) * 100.0 / Math.Max(g.Count(), 1), MidpointRounding.AwayFromZero),
+                    ExcellentRate = (int)Math.Round(sportsTestData.Count(x => x.CategoryValue == g.Key && x.Score > 80) * 100.0 / Math.Max(sportsTestData.Count(x => x.CategoryValue == g.Key), 1), MidpointRounding.AwayFromZero),
 
                     // 男生前十名
                     MaleRankList = g.Where(x => x.Sex == 1)