解决bug

Bailun.DC.Services/LogisticsServices.cs

@@ -576,11 +576,15 @@ namespace Bailun.DC.Services
             //删除数据
             foreach (var item in listDelete)
             {
-                var objList = list.Where(a => a.suppliername == item.suppliername);
-                foreach (var o in objList)
+                var objList = list.Where(a => a.suppliername == item.suppliername).ToList();
+                if(objList.Count>0)
                 {
-                    list.Remove(o);
+                    for (var i = 0; i < objList.Count;i++)
+                    {
+                        list.Remove(objList[i]);
+                    }
                 }
+                
             }