diff --git a/src/main/java/com/tailbet/service/impl/RedPacketServiceImpl.java b/src/main/java/com/tailbet/service/impl/RedPacketServiceImpl.java
index 6465691..8194c61 100644
--- a/src/main/java/com/tailbet/service/impl/RedPacketServiceImpl.java
+++ b/src/main/java/com/tailbet/service/impl/RedPacketServiceImpl.java
@@ -162,9 +162,10 @@ public class RedPacketServiceImpl implements IRedPacketService {
             rp.setStatus(STATUS_FINISHED);
         }
 
-        // 更新手气王信息（第一个领取者为手气王）
+        // 更新手气王信息（领取金额最大的用户为手气王）
         Integer takenCount = rp.getShareTakenCount();
-        if (takenCount != null && takenCount == 0) {
+        BigDecimal currentLucky = rp.getLuckyAmount();
+        if (currentLucky == null || amount.compareTo(currentLucky) > 0) {
             rp.setLuckyAmount(amount);
             rp.setLuckyUserId(userId);
             rp.setLuckyDigit(amount.remainder(BigDecimal.TEN).intValue());