diff --git a/android/src/main/java/com/hy/print/hy_printer/PrintAsOrder.java b/android/src/main/java/com/hy/print/hy_printer/PrintAsOrder.java
index 4fe2f02..63b70ed 100644
--- a/android/src/main/java/com/hy/print/hy_printer/PrintAsOrder.java
+++ b/android/src/main/java/com/hy/print/hy_printer/PrintAsOrder.java
@@ -22,7 +22,7 @@ public class PrintAsOrder {
     private static void printBarCode(String code) {
 
         String width = "2";
-        if (code.length() > 20) {
+        if (code.length() > 18) {
             width = "1";
         }
         try {
diff --git a/example/lib/main.dart b/example/lib/main.dart
index c966341..2340eeb 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -75,7 +75,7 @@ class _HomeState extends State<Home> {
           TextButton(
               onPressed: () async {
                 await HyPrinter.printAsOrder(
-                    code: 'ASNB202112120001',
+                    code: 'ASASNB2021121200011',
                     fbaCode: '',
                     channel: "",
                     country: '',