diff --git a/WeighAndGrading/WeightGradePrint.cs b/WeighAndGrading/WeightGradePrint.cs
index 32e70eb..04a6419 100644
--- a/WeighAndGrading/WeightGradePrint.cs
+++ b/WeighAndGrading/WeightGradePrint.cs
@@ -54,10 +54,21 @@ namespace WeighAndGrading
       dic.Add("$Goods_Name", entity.Goods_Name);
       dic.Add("$Date", entity.Date.ToString("yyyy/MM/dd"));
       var imgUrl = string.Format("TempImg\\_img{0}.png", id);
-      BwpClientPrint.BwpClientWebPrint.Create2DPic(entity._2DQRCode, imgUrl, 120);
+      try
+      {
+        BwpClientPrint.BwpClientWebPrint.Create2DPic(entity._2DQRCode, imgUrl, 120);
+      }
+      catch (Exception ex)
+      {
+        var name = string.Format("saveError{0:yyyyMMdd}.log", DateTime.Today);
+        if (!File.Exists(name))
+          File.Create(name);
+        File.AppendAllText(name, ex.Message);
+        throw;
+      }
       dic.Add("$ImageUrl", imgUrl);
       BwpClientPrint.BwpClientWebPrint.Print("GradeWeightPrint.html", dic);
-      if (id == 20)
+      if (id == 30)
         id = 0;
       id++;
       AfterPrint();
@@ -69,7 +80,7 @@ namespace WeighAndGrading
       if (TempImage == null)
         TempImage = new DirectoryInfo("TempImg");
       var files = TempImage.GetFiles();
-      if (files.Length > 10)
+      if (files.Length > 20)
       {
         var last = files.OrderBy(x => x.CreationTime).First().FullName;
         File.Delete(last);