diff --git a/SalesPacking_MES_API_Project/mainForm.vb b/SalesPacking_MES_API_Project/mainForm.vb
index ba01350..9206d82 100644
--- a/SalesPacking_MES_API_Project/mainForm.vb
+++ b/SalesPacking_MES_API_Project/mainForm.vb
@@ -7,7 +7,7 @@ Imports Newtonsoft.Json.Linq
 
 Public Class mainForm
     Public projectName As String = "DUALSONIC SalesPacking MES Program Ver."
-    Public projectVer As String = "1.2.0"
+    Public projectVer As String = "1.2.1"
 
     Private apiItemOutURL As String = "item-outflows/page"
 
@@ -2957,29 +2957,29 @@ Public Class mainForm
                     If setSerial = Nothing Then
                         setSerial = prodInSerial(prodDB.luxset)
                     Else
-                        setSerial = setSerial & "," & prodInSerial(prodDB.luxset)
+                        setSerial = setSerial & "/" & prodInSerial(prodDB.luxset)
                     End If
                 End If
             End If
 
             If setSerial <> Nothing Then
-                Dim slashCount As Int16 = UBound(Split(setSerial, ","))
+                Dim slashCount As Int16 = UBound(Split(setSerial, "/"))
                 fullCode = setSerial
 
                 For i = 0 To slashCount
                     If i = slashCount Then
                         searchCode = Mid(fullCode, 1, fullCode.Length)
                     Else
-                        searchCode = Mid(fullCode, 1, InStr(fullCode, ",") - 1)
-                        fullCode = Mid(fullCode, InStr(fullCode, ",") + 1, fullCode.Length)
+                        searchCode = Mid(fullCode, 1, InStr(fullCode, "/") - 1)
+                        fullCode = Mid(fullCode, InStr(fullCode, "/") + 1, fullCode.Length)
                     End If
 
                     DBCmd = "SELECT FaceCart_SN,EyeCart_SN FROM " & applyProdDB & " WHERE Product_SN = '" & searchCode & "'"
 
                     If DBQueryReader(DBCmd) Then
                         If faceSerial <> Nothing And eyeSerial <> Nothing Then
-                            faceSerial = faceSerial & "," & sqlDataQuery(0)
-                            eyeSerial = eyeSerial & "," & sqlDataQuery(1)
+                            faceSerial = faceSerial & "/" & sqlDataQuery(0)
+                            eyeSerial = eyeSerial & "/" & sqlDataQuery(1)
                         Else
                             faceSerial = sqlDataQuery(0)
                             eyeSerial = sqlDataQuery(1)