diff --git a/python/Bag1.py b/python/Bag1.py
index 8e1a4ea..fb1518f 100644
--- a/python/Bag1.py
+++ b/python/Bag1.py
@@ -140,10 +140,16 @@ def _zpl_escape(s: str) -> str:
     return s.replace("\\", "\\\\").replace("^", "\\^")
 
 
-def generate_zpl_dataflex(batch_no: str, item_code: str, item_name: str) -> str:
+def generate_zpl_dataflex(
+    batch_no: str,
+    item_code: str,
+    item_name: str,
+    font_regular: str = "E:STXihei.ttf",
+    font_bold: str = "E:STXihei.ttf",
+) -> str:
     """
     Generate ZPL for DataFlex label (53 mm media, 90° rotated).
-    Uses UTF-8 (^CI28) and fonts msjh.ttc / msjhbd.ttc for Chinese/English.
+    Uses UTF-8 (^CI28) and configurable .TTF fonts for Chinese (e.g. E:STXihei.ttf).
     """
     desc = _zpl_escape((item_name or "—").strip())
     code = _zpl_escape((item_code or "—").strip())
@@ -154,11 +160,11 @@ def generate_zpl_dataflex(batch_no: str, item_code: str, item_name: str) -> str:
 ^PO N
 ^CI28
 ^FO70,70
-^A@R,60,60,E:MSJH.TTC^FD{desc}^FS
+^A@R,60,60,{font_regular}^FD{desc}^FS
 ^FO220,70
-^A@R,50,50,E:MSJHBD.TTC^FD{code}^FS
+^A@R,50,50,{font_bold}^FD{code}^FS
 ^FO310,70
-^A@R,45,45,E:MSJHBD.TTC^FD批次: {batch}^FS
+^A@R,45,45,{font_bold}^FD批次: {batch}^FS
 ^FO150,420
 ^BQN,2,6^FDQA,{batch_no}^FS
 ^XZ"""
diff --git a/python/bag1_settings.json b/python/bag1_settings.json
index c4e668b..37f71ef 100644
--- a/python/bag1_settings.json
+++ b/python/bag1_settings.json
@@ -2,7 +2,7 @@
   "api_ip": "127.0.0.1",
   "api_port": "8090",
   "dabag_ip": "192.168.17.27",
-  "dabag_port": "9100",
+  "dabag_port": "3008",
   "laser_ip": "192.168.7.77",
   "laser_port": "9100",
   "label_com": "COM2"