diff --git a/Server/YD_XinWei.Commons/Dto/LargeScreen/LargeScreenDto.cs b/Server/YD_XinWei.Commons/Dto/LargeScreen/LargeScreenDto.cs
index 1d63797..20f6eae 100644
--- a/Server/YD_XinWei.Commons/Dto/LargeScreen/LargeScreenDto.cs
+++ b/Server/YD_XinWei.Commons/Dto/LargeScreen/LargeScreenDto.cs
@@ -79,7 +79,7 @@ namespace YD_XinWei.Commons.Dto.LargeScreen
         /// <summary>
         /// 项目优良率
         /// </summary>
-        public double ExcellentRate { get; set; }
+        public int ExcellentRate { get; set; }
 
         /// <summary>
         /// 男生排名
diff --git a/Server/YD_XinWei/Services/Impl/LargeScreenService.cs b/Server/YD_XinWei/Services/Impl/LargeScreenService.cs
index ed89009..b259bda 100644
--- a/Server/YD_XinWei/Services/Impl/LargeScreenService.cs
+++ b/Server/YD_XinWei/Services/Impl/LargeScreenService.cs
@@ -137,7 +137,7 @@ namespace YD_XinWei.Api.Services.Impl
                 {
                     CategoryValue = g.Key,
                     // 优良率计算：分数 > 80 的人数 ÷ 总人数
-                    ExcellentRate = g.Count(x => x.Score > 80) * 100.0 / Math.Max(g.Count(), 1),
+                    ExcellentRate = (int)Math.Round(g.Count(x => x.Score > 80) * 100.0 / Math.Max(g.Count(), 1), MidpointRounding.AwayFromZero),
 
                     // 男生前十名
                     MaleRankList = g.Where(x => x.Sex == 1)