diff --git a/Models/DyelotsProvider.cs b/Models/DyelotsProvider.cs
index bb1fa4c..ad02600 100644
--- a/Models/DyelotsProvider.cs
+++ b/Models/DyelotsProvider.cs
@@ -8,7 +8,7 @@ namespace Models
 {
     public class DyelotsProvider : IProvider<Dyelots>
     {
-        private BatchDyeingCentralEntities db = new BatchDyeingCentralEntities();
+        private readonly BatchDyeingCentralEntities db = new BatchDyeingCentralEntities();
 
         public int Delete(Dyelots t)
         {
@@ -32,7 +32,7 @@ namespace Models
 
         public List<Dyelots> Select()
         {
-            return db.Dyelots.ToList();
+            return db.Dyelots.SqlQuery("select TOP (100) * from Dyelots").ToList();//查询前100条
         }
 
         public int Update(Dyelots t)