diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/util/FeieyunPrintUtil.java b/src/main/java/com/chaozhanggui/system/cashierservice/util/FeieyunPrintUtil.java
index 7be8d95..c0320eb 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/util/FeieyunPrintUtil.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/util/FeieyunPrintUtil.java
@@ -19,6 +19,7 @@ import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
+import java.util.Objects;
 
 public class FeieyunPrintUtil {
 
diff --git a/src/main/java/com/chaozhanggui/system/cashierservice/util/PrinterUtils.java b/src/main/java/com/chaozhanggui/system/cashierservice/util/PrinterUtils.java
index 7ab595a..6a0c1a6 100644
--- a/src/main/java/com/chaozhanggui/system/cashierservice/util/PrinterUtils.java
+++ b/src/main/java/com/chaozhanggui/system/cashierservice/util/PrinterUtils.java
@@ -89,7 +89,10 @@ public class PrinterUtils {
 
         sb.append("<C><B>"+detailPO.getMerchantName()+"</B></C><BR><BR>");
         sb.append("<C><BOLD>"+type+"【"+detailPO.getMasterId()+"】</BOLD></C><BR><BR>");
-        sb.append("<CB><BOLD>"+detailPO.getOutNumber()+"</BOLD></CB><BR><BR>");
+        if(Objects.nonNull(detailPO.getOutNumber())){
+            sb.append("<CB><BOLD>"+detailPO.getOutNumber()+"</BOLD></CB><BR><BR>");
+        }
+
         sb.append("<S><L>订单号: "+detailPO.getOrderNo()+" </L></S><BR>");
         sb.append("<S><L>交易时间: "+detailPO.getTradeDate()+" </L></S><BR>");
         sb.append("<S><L>收银员: "+detailPO.getOperator()+" </L></S><BR><BR><BR>");