diff --git a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/activity/LotteryMultiDrawExe.java b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/activity/LotteryMultiDrawExe.java
index 44e5c09f..e7ef57ba 100644
--- a/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/activity/LotteryMultiDrawExe.java
+++ b/rc-service/rc-service-other/other-application/src/main/java/com/red/circle/other/app/command/activity/LotteryMultiDrawExe.java
@@ -21,7 +21,11 @@ import com.red.circle.other.infra.database.rds.service.activity.LotteryTicketRec
 import com.red.circle.other.infra.database.rds.service.activity.LotteryTicketService;
 import com.red.circle.other.infra.database.rds.service.activity.LotteryUserCountService;
 import com.red.circle.other.infra.database.rds.service.activity.LotteryUserProgressService;
+import com.red.circle.other.infra.database.rds.service.activity.LotteryDeviceRecordService;
+import com.red.circle.other.infra.database.rds.service.activity.UserActivityRechargeService;
+import com.red.circle.other.infra.database.rds.service.user.device.LatestMobileDeviceService;
 import com.red.circle.other.infra.utils.ZonedDateTimeUtils;
+import com.red.circle.other.inner.asserts.OtherErrorCode;
 import com.red.circle.other.inner.asserts.lottery.LotteryErrorCode;
 import com.red.circle.tool.core.date.TimestampUtils;
 import java.math.BigDecimal;
@@ -59,6 +63,9 @@ public class LotteryMultiDrawExe {
   private final LotteryUserProgressService lotteryUserProgressService;
   private final LotteryPrizeGrantService lotteryPrizeGrantService;
   private final RedisService redisService;
+  private final LatestMobileDeviceService latestMobileDeviceService;
+  private final LotteryDeviceRecordService lotteryDeviceRecordService;
+  private final UserActivityRechargeService userActivityRechargeService;
 
   @Transactional(rollbackFor = Exception.class)
   public LotteryMultiDrawResultCO execute(LotteryMultiDrawCmd cmd) {
@@ -70,27 +77,33 @@ public class LotteryMultiDrawExe {
     // 1. 校验活动
     LotteryActivity activity = validateActivity(activityId, now);
     
-    // 2. 校验是否启用连抽
+    // 2. 校验设备唯一性（防止小号薅羊毛）
+    checkDeviceUnique(activityId, userId);
+    
+    // 3. 校验是否启用连抽
     ResponseAssert.isTrue(LotteryErrorCode.MULTI_DRAW_NOT_ENABLED,
         activity.getEnableMultiDraw() != null && activity.getEnableMultiDraw() == 1);
     
-    // 3. 校验抽奖次数限制（需要剩余足够次数）
+    // 4. 查询用户充值金额（用于过滤美元奖励）
+    BigDecimal userRechargeAmount = getUserRechargeAmount(userId, activityId);
+    
+    // 5. 校验抽奖次数限制（需要剩余足够次数）
     validateDrawCount(userId, activityId, activity, drawCount);
 
-    // 4. 校验并扣除抽奖券（连抽消耗更少）
+    // 6. 校验并扣除抽奖券（连抽消耗更少）
     Integer ticketCost = activity.getMultiDrawTicketCost() != null 
         ? activity.getMultiDrawTicketCost() 
         : drawCount * activity.getTicketCost();
     
     deductTicket(userId, ticketCost);
 
-    // 5. 获取或创建用户进度（用于动态概率）
+    // 7. 获取或创建用户进度（用于动态概率）
     LotteryUserProgress progress = getOrCreateUserProgress(userId, activityId);
 
-    // 6. 生成批次号
+    // 8. 生成批次号
     String batchNo = generateBatchNo();
 
-    // 7. 执行连抽
+    // 9. 执行连抽
     List<LotteryDrawResultCO> results = new ArrayList<>();
     boolean guaranteeTriggered = false;
     BigDecimal batchTotalAmount = BigDecimal.ZERO;
@@ -101,7 +114,7 @@ public class LotteryMultiDrawExe {
       LotteryUserProgress currentProgress = lotteryUserProgressService.getById(progress.getId());
       
       // 使用动态概率抽奖
-      LotteryPrize prize = drawPrizeWithDynamicProbability(activityId, activity, currentProgress);
+      LotteryPrize prize = drawPrizeWithDynamicProbability(activityId, activity, currentProgress, userRechargeAmount);
       
       // 扣减库存
       if (prize != null) {
@@ -138,7 +151,7 @@ public class LotteryMultiDrawExe {
       }
     }
 
-    // 8. 检查连抽保底
+    // 10. 检查连抽保底
     BigDecimal guaranteeMinAmount = activity.getMultiDrawGuaranteeMinAmount() != null 
         ? activity.getMultiDrawGuaranteeMinAmount() 
         : BigDecimal.ZERO;
@@ -151,13 +164,64 @@ public class LotteryMultiDrawExe {
           userId, activityId, batchTotalAmount);
     }
 
-    // 9. 更新用户抽奖次数（+drawCount次）
+    // 11. 更新用户抽奖次数（+drawCount次）
     updateUserDrawCount(userId, activityId, drawCount);
 
-    // 10. 组装返回结果
+    // 12. 记录设备信息（首次抽奖时）
+    recordDeviceAfterDraw(activityId, userId);
+    
+    // 13. 组装返回结果
     return buildMultiDrawResult(batchNo, results, guaranteeTriggered);
   }
 
+  /**
+   * 校验设备唯一性（防止小号薅羊毛）
+   */
+  private void checkDeviceUnique(Long activityId, Long userId) {
+    String fingerprint = latestMobileDeviceService.getEnhancedDeviceFingerprintByUserId(userId);
+
+    if (com.red.circle.tool.core.text.StringUtils.isBlank(fingerprint)) {
+      log.warn("Failed to get device fingerprint in multi-draw, userId: {}", userId);
+      return;
+    }
+
+    com.red.circle.other.infra.database.rds.entity.activity.LotteryDeviceRecord existingRecord = lotteryDeviceRecordService
+        .getByActivityAndFingerprint(activityId, fingerprint);
+
+    if (existingRecord != null && !existingRecord.getUserId().equals(userId)) {
+      log.warn("Duplicate device detected in multi-draw, activityId: {}, currentUser: {}, boundUser: {}, fingerprint: {}",
+          activityId, userId, existingRecord.getUserId(), fingerprint);
+      ResponseAssert.isTrue(OtherErrorCode.DEVICE_ALREADY_USED, false);
+    }
+  }
+
+  /**
+   * 记录设备信息（抽奖成功后）
+   */
+  private void recordDeviceAfterDraw(Long activityId, Long userId) {
+    try {
+      String fingerprint = latestMobileDeviceService.getEnhancedDeviceFingerprintByUserId(userId);
+      if (com.red.circle.tool.core.text.StringUtils.isNotBlank(fingerprint)) {
+        lotteryDeviceRecordService.recordDevice(activityId, userId, fingerprint);
+      }
+    } catch (Exception e) {
+      log.error("Failed to record device in multi-draw, activityId: {}, userId: {}", activityId, userId, e);
+    }
+  }
+
+  /**
+   * 查询用户充值金额
+   */
+  private BigDecimal getUserRechargeAmount(Long userId, Long activityId) {
+    try {
+      BigDecimal amount = userActivityRechargeService.getUserTotalAmount(userId, activityId);
+      return amount != null ? amount : BigDecimal.ZERO;
+    } catch (Exception e) {
+      log.error("Failed to get user recharge amount in multi-draw, userId: {}, activityId: {}", userId, activityId, e);
+      return BigDecimal.ZERO;
+    }
+  }
+
   private LotteryActivity validateActivity(Long activityId, Timestamp now) {
     LotteryActivity activity = lotteryActivityService.getById(activityId);
     ResponseAssert.isTrue(LotteryErrorCode.ACTIVITY_NOT_FOUND, activity != null);
@@ -203,9 +267,10 @@ public class LotteryMultiDrawExe {
     return progress;
   }
 
-  private LotteryPrize drawPrizeWithDynamicProbability(Long activityId, LotteryActivity activity, LotteryUserProgress progress) {
+  private LotteryPrize drawPrizeWithDynamicProbability(Long activityId, LotteryActivity activity, 
+                                                       LotteryUserProgress progress, BigDecimal userRechargeAmount) {
     if (activity.getEnableDynamicProbability() == null || activity.getEnableDynamicProbability() != 1) {
-      return drawPrizeWithMultiProbability(activityId, progress.getUserId());
+      return drawPrizeWithMultiProbability(activityId, progress.getUserId(), userRechargeAmount);
     }
     String stage = determinePrizePool(progress, activity);
     log.debug("Multi-draw stage: {}, userId: {}, drawCount: {}, totalAmount: {}", 
@@ -215,6 +280,9 @@ public class LotteryMultiDrawExe {
     // 过滤用户已中过的BADGE类型奖品
     prizes = filterAlreadyWonBadgePrizes(prizes, progress.getUserId());
     
+    // 过滤美元奖励（充值金额为0的用户不能抽到）
+    prizes = filterMoneyPrizes(prizes, userRechargeAmount);
+    
     prizes = filterOverThresholdPrizes(prizes, progress, activity.getWithdrawThreshold());
     if (prizes.isEmpty()) {
       return null;
@@ -316,7 +384,7 @@ public class LotteryMultiDrawExe {
     return prizes.get(prizes.size() - 1);
   }
 
-  private LotteryPrize drawPrizeWithMultiProbability(Long activityId, Long userId) {
+  private LotteryPrize drawPrizeWithMultiProbability(Long activityId, Long userId, BigDecimal userRechargeAmount) {
     List<LotteryPrize> prizes = lotteryPrizeService.query()
         .eq(LotteryPrize::getActivityId, activityId)
         .gt(LotteryPrize::getRemainingStock, 0)
@@ -329,6 +397,9 @@ public class LotteryMultiDrawExe {
     // 过滤用户已中过的BADGE类型奖品
     prizes = filterAlreadyWonBadgePrizes(prizes, userId);
     
+    // 过滤美元奖励（充值金额为0的用户不能抽到）
+    prizes = filterMoneyPrizes(prizes, userRechargeAmount);
+    
     if (prizes.isEmpty()) {
       return null;
     }
@@ -554,6 +625,37 @@ public class LotteryMultiDrawExe {
         .collect(Collectors.toList());
   }
 
+  /**
+   * 过滤美元奖励（充值金额为0的用户不能抽到）
+   */
+  private List<LotteryPrize> filterMoneyPrizes(List<LotteryPrize> prizes, BigDecimal userRechargeAmount) {
+    if (prizes == null || prizes.isEmpty()) {
+      return prizes;
+    }
+
+    // 如果用户充值金额>0，不需要过滤
+    if (userRechargeAmount.compareTo(BigDecimal.ZERO) > 0) {
+      return prizes;
+    }
+
+    // 充值金额为0，过滤掉MONEY类型奖品
+    List<LotteryPrize> filtered = prizes.stream()
+        .filter(prize -> {
+          if ("MONEY".equals(prize.getPrizeType())) {
+            log.info("User has no recharge in multi-draw, filtering MONEY prize. userRechargeAmount: {}, prizeId: {}, prizeName: {}",
+                userRechargeAmount, prize.getId(), prize.getPrizeName());
+            return false;
+          }
+          return true;
+        })
+        .collect(Collectors.toList());
+
+    log.info("Filter MONEY prizes completed in multi-draw. userRechargeAmount: {}, beforeCount: {}, afterCount: {}",
+        userRechargeAmount, prizes.size(), filtered.size());
+
+    return filtered;
+  }
+
   /**
    * 标记用户已中BADGE类型奖品（永久记录）.
    *