diff --git a/WeighAndGrading/GradeFrom.cs b/WeighAndGrading/GradeFrom.cs
index cc71b78..fc1a0b8 100644
--- a/WeighAndGrading/GradeFrom.cs
+++ b/WeighAndGrading/GradeFrom.cs
@@ -998,7 +998,8 @@ namespace WeighAndGrading
           if (details.Count == 50)
             details.RemoveAt(49);
           details.Insert(0, entity);
-          LocalGradeAndWeightBL.Insert(entity);
+          //          LocalGradeAndWeightBL.Insert(entity); 改成调用方法 方便加锁
+          LocalGradeAndWeightBLInsert(entity);
           //          noWeightList.Enqueue(entity); // 添加的掉猪明细不加入到没有称重队列
           BindDetailGrid();
 
@@ -1024,6 +1025,16 @@ namespace WeighAndGrading
       }
     }
 
+    static object insertweightdetail=new object();
+    void LocalGradeAndWeightBLInsert(GradeAndWeight_Detail entity)
+    {
+      //为了防止点级别和称重同时进行
+      lock (insertweightdetail)
+      {
+        LocalGradeAndWeightBL.Insert(entity);
+      }
+    }
+
     void SetlblSucessVisibleFalse()
     {
       this.Invoke(new InvokeHandler(delegate
@@ -1080,7 +1091,10 @@ namespace WeighAndGrading
           if (details.Count == 50)
             details.RemoveAt(49);
           details.Insert(0, entity);
-          LocalGradeAndWeightBL.Insert(entity);
+
+          //LocalGradeAndWeightBL.Insert(entity); //改成调用方法 方便加锁
+          LocalGradeAndWeightBLInsert(entity);
+
           noLivestockList.Enqueue(entity);
           BindDetailGrid();