diff --git a/OrderPackingProcessor/mainForm.vb b/OrderPackingProcessor/mainForm.vb
index 9930df7..8ec2e2d 100644
--- a/OrderPackingProcessor/mainForm.vb
+++ b/OrderPackingProcessor/mainForm.vb
@@ -8,7 +8,7 @@ Imports Newtonsoft.Json.Linq
 
 Public Class mainForm
     Public projectName As String = "OrderPackingProcessor Ver."
-    Public projectVer As String = "3.0.3"
+    Public projectVer As String = "3.0.4"
 
     Private apiItemOutURL As String = "item-outflows/page"
 
@@ -3457,6 +3457,7 @@ Public Class mainForm
         If oybtn.Checked Then
             Return False
         End If
+
         DBCmd = "SELECT COUNT(PackingCode) FROM " & applySalesDB & " WHERE PackingCode = '" & choiceNum & "'"
 
         If Val(DBQueryScalar(DBCmd)) > 0 Then
@@ -3680,7 +3681,9 @@ Public Class mainForm
                         If prodArray(itemCode.serialNum, i) = Nothing Then
                             prodArray(itemCode.serialNum, i) = playCode
                         Else
-                            prodArray(itemCode.serialNum, i) = prodArray(itemCode.serialNum, i) & "/" & playCode
+                            If Not olivYoungList.Any(Function(v) v.Value = playCode) Then
+                                prodArray(itemCode.serialNum, i) = prodArray(itemCode.serialNum, i) & "/" & playCode
+                            End If
                         End If
 
                         prodArray(itemCode.type, i) = regType