diff --git a/src/main/java/com/ycwl/basic/pricing/service/impl/VoucherPrintServiceImpl.java b/src/main/java/com/ycwl/basic/pricing/service/impl/VoucherPrintServiceImpl.java
index 56858ae..99790bc 100644
--- a/src/main/java/com/ycwl/basic/pricing/service/impl/VoucherPrintServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/pricing/service/impl/VoucherPrintServiceImpl.java
@@ -23,6 +23,7 @@ import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.UUID;
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicLong;
 
 /**
  * 优惠券打印服务实现
@@ -44,7 +45,9 @@ public class VoucherPrintServiceImpl implements VoucherPrintService {
     private RedisTemplate<String, String> redisTemplate;
     
     private static final String PRINT_LOCK_KEY = "voucher_print_lock:%s:%s:%s"; // faceId:brokerId:scenicId
-    private static final String CODE_PREFIX = "VT"; // Voucher Ticket
+
+    // 原子计数器，确保流水号唯一性
+    private static final AtomicLong counter = new AtomicLong(0);
     
     @Override
     @Transactional(rollbackFor = Exception.class)
@@ -56,10 +59,12 @@ public class VoucherPrintServiceImpl implements VoucherPrintService {
         if (request.getBrokerId() == null) {
             throw new BaseException("经纪人ID不能为空");
         }
-        if (request.getScenicId() == null) {
-            throw new BaseException("景区ID不能为空");
+        FaceEntity face = faceRepository.getFace(request.getFaceId());
+        if (face == null) {
+            throw new BaseException("请上传人脸");
         }
-        
+        request.setScenicId(face.getScenicId());
+
         Long currentUserId = Long.valueOf(BaseContextHandler.getUserId());
         
         // 验证faceId是否属于当前用户
@@ -149,13 +154,16 @@ public class VoucherPrintServiceImpl implements VoucherPrintService {
     }
     
     /**
-     * 生成流水号
+     * 生成流水号（优化版本）
+     * 使用原子计数器确保唯一性，解决原方法在高并发下的重复问题
      */
     private String generateCode() {
-        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
+        // 方案：使用毫秒级时间戳 + 原子计数器
+        // 格式：5位计数器 + SSS
+        SimpleDateFormat sdf = new SimpleDateFormat("SSS");
         String timestamp = sdf.format(new Date());
-        String randomSuffix = String.valueOf((int)(Math.random() * 1000)).formatted("%03d");
-        return CODE_PREFIX + timestamp + randomSuffix;
+        long count = counter.incrementAndGet() % 100000; // 5位计数，循环使用
+        return String.format("%05d", count) + timestamp;
     }
     
     /**