diff --git a/src/main/java/com/ffii/fpsms/modules/jobOrder/service/PlasticBagPrinterService.kt b/src/main/java/com/ffii/fpsms/modules/jobOrder/service/PlasticBagPrinterService.kt
index 8c6a4d8..5fa18b0 100644
--- a/src/main/java/com/ffii/fpsms/modules/jobOrder/service/PlasticBagPrinterService.kt
+++ b/src/main/java/com/ffii/fpsms/modules/jobOrder/service/PlasticBagPrinterService.kt
@@ -105,34 +105,29 @@ open class PlasticBagPrinterService(
     }
     
     fun sendDataFlexJob(request: PrintRequest) {
-        try {
-            // 1. Establish Socket Connection
-            val socket = Socket(request.printerIp, request.printerPort)
-            socket.soTimeout = 5000 // 5 seconds timeout
-            
-            val writer = PrintWriter(socket.getOutputStream(), true)
-
-            // 2. Format the command for DataFlex 6330
-            // Note: This format depends on your specific label design in CLARiSOFT.
-            // Many DataFlex printers use the "Job Select" or "Set Variable" protocol.
-            
-            val command = """
-                ^SVAR1|${request.itemCode}
-                ^SVAR2|${request.itemName}
-                ^SVAR3|${request.lotNo}
-                ^SVAR4|${request.expiryDate}
-                ^PRNT1
-            """.trimIndent()
-
-            // 3. Send and Close
-            writer.print(command)
-            writer.flush()
-            
-            socket.close()
-            println("Successfully sent command to DataFlex at ${request.printerIp}")
-            
-        } catch (e: Exception) {
-            throw RuntimeException("Failed to communicate with DataFlex printer: ${e.message}")
+        Socket().use { socket ->
+            try {
+                socket.connect(InetSocketAddress(request.printerIp, request.printerPort), 3000)
+                val writer = PrintWriter(socket.getOutputStream(), true)
+
+                // Videojet/DataFlex ASCII protocol
+                // We assign the Lot number to both the text variable and the barcode variable
+                val command = """
+                    ^SVAR1|${request.itemCode}
+                    ^SVAR2|${request.itemName}
+                    ^SVAR3|${request.lotNo}
+                    ^SVAR4|${request.expiryDate}
+                    ^SVAR_QR|${request.lotNo}
+                    ^PRNT1
+                """.trimIndent()
+
+                writer.println(command)
+                writer.flush()
+                
+                println("DataFlex: Print job with QR data sent to ${request.printerIp}")
+            } catch (e: Exception) {
+                throw RuntimeException("DataFlex Error: ${e.message}")
+            }
         }
     }
 
@@ -191,28 +186,38 @@ open class PlasticBagPrinterService(
                 socket.connect(InetSocketAddress(request.printerIp, request.printerPort), 3000)
                 val out = DataOutputStream(socket.getOutputStream())
 
-                // Construct TSPL commands
-                // Note: Coordinates (x,y) are in dots. 
-                // For 203 DPI: 8 dots = 1mm.
+                // 203 DPI: 8 dots = 1mm
                 val tspl = StringBuilder()
-                    .append("SIZE 100 mm, 50 mm\n") // Adjust to your label size
+                    .append("SIZE 100 mm, 50 mm\n")
                     .append("GAP 3 mm, 0 mm\n")
                     .append("DIRECTION 1\n")
-                    .append("CLS\n") // Clear buffer
-                    // Text commands: TEXT x, y, "font", rotation, x-multi, y-multi, "content"
-                    .append("TEXT 50,50,\"ROMAN.TTF\",0,1,1,\"ITEM: ${request.itemCode}\"\n")
-                    .append("TEXT 50,100,\"ROMAN.TTF\",0,1,1,\"NAME: ${request.itemName}\"\n")
-                    .append("TEXT 50,150,\"ROMAN.TTF\",0,1,1,\"LOT: ${request.lotNo}\"\n")
-                    .append("TEXT 50,200,\"ROMAN.TTF\",0,1,1,\"EXP: ${request.expiryDate}\"\n")
+                    .append("CLS\n")
+                    
+                    // --- Text Content ---
+                    .append("TEXT 50,40,\"ROMAN.TTF\",0,1,1,\"ITEM: ${request.itemCode}\"\n")
+                    .append("TEXT 50,80,\"ROMAN.TTF\",0,1,1,\"NAME: ${request.itemName}\"\n")
+                    .append("TEXT 50,120,\"ROMAN.TTF\",0,1,1,\"EXP: ${request.expiryDate}\"\n")
+                    .append("TEXT 50,160,\"ROMAN.TTF\",0,1,1,\"LOT: ${request.lotNo}\"\n")
+
+                    // --- QR Code for Lot Number ---
+                    // Syntax: QRCODE x, y, ECC, cell_width, mode, rotation, "content"
+                    // ECC Level M (Standard), Cell width 4 (size), Auto mode, 0 rotation
+                    .append("QRCODE 450,40,M,4,A,0,\"${request.lotNo}\"\n")
+                    
+                    // Optional: Label for the QR Code
+                    .append("TEXT 450,180,\"ROMAN.TTF\",0,1,1,\"SCAN LOT\"\n")
+
                     .append("PRINT 1,1\n")
                     .toString()
 
-                // TSC printers usually expect encoding in Windows-1252 or Thai (TIS-620)
+                // Use TIS-620 for Thai support or Windows-1252 for English
                 val bytes = tspl.toByteArray(Charset.forName("TIS-620"))
                 out.write(bytes)
                 out.flush()
                 
+                println("TSC: Print job with QR code sent to ${request.printerIp}")
             } catch (e: Exception) {
+                println("TSC Error: ${e.message}")
                 throw RuntimeException("TSC Printer Error: ${e.message}")
             }
         }
diff --git a/src/main/resources/db/changelog/changes/20260110_fai/01_insert_auth.sql b/src/main/resources/db/changelog/changes/20260110_fai/01_insert_auth.sql
new file mode 100644
index 0000000..619f643
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20260110_fai/01_insert_auth.sql
@@ -0,0 +1,9 @@
+--liquibase formatted sql
+--changeset author:add_auth
+
+INSERT INTO `fpsmsdb`.`authority` (`authority`, `name`) VALUES ('TESTING', 'Testing');
+INSERT INTO `fpsmsdb`.`authority` (`authority`, `name`) VALUES ('PROD', '出品');
+INSERT INTO `fpsmsdb`.`authority` (`authority`, `name`) VALUES ('ADMIN', '行政');
+INSERT INTO `fpsmsdb`.`authority` (`authority`, `name`) VALUES ('STOCK', '倉務');
+INSERT INTO `fpsmsdb`.`authority` (`authority`, `name`) VALUES ('Driver', '物流');
+INSERT INTO `fpsmsdb`.`authority` (`authority`, `name`) VALUES ('PACK', '包裝');
diff --git a/src/main/resources/db/changelog/changes/20260110_fai/02_insert_auth_for_2fi.sql b/src/main/resources/db/changelog/changes/20260110_fai/02_insert_auth_for_2fi.sql
new file mode 100644
index 0000000..716fa24
--- /dev/null
+++ b/src/main/resources/db/changelog/changes/20260110_fai/02_insert_auth_for_2fi.sql
@@ -0,0 +1,6 @@
+--liquibase formatted sql
+--changeset author:add_auth_for_2fi
+
+INSERT INTO `fpsmsdb`.`user_authority` (`userId`, `authId`) VALUES ('1', '13');
+INSERT INTO `fpsmsdb`.`user_authority` (`userId`, `authId`) VALUES ('1', '15');
+