diff --git a/luoo_common/src/main/java/constants/ErrorConstants.java b/luoo_common/src/main/java/constants/ErrorConstants.java
index 7b850c9..e3d0efe 100644
--- a/luoo_common/src/main/java/constants/ErrorConstants.java
+++ b/luoo_common/src/main/java/constants/ErrorConstants.java
@@ -55,5 +55,6 @@ public class ErrorConstants {
   public static final String TICKET_CITY_IS_REQUIRED = "门票抽奖城市必填";
   public static final String REAL_NUMBER_IS_REQUIRED = "实物抽奖数量必填";
   public static final String DRAW_TIME_IS_REQUIRED = "必须填写开奖时间";
+  public static final String ALREADY_PARTICIPATED_CANNOT_PARTICIPATE_AGAIN = "您已参加，不能再次参与";
 
 }
diff --git a/luoo_user/src/main/java/com/luoo/user/service/LotteryService.java b/luoo_user/src/main/java/com/luoo/user/service/LotteryService.java
index 841e292..ff478fc 100644
--- a/luoo_user/src/main/java/com/luoo/user/service/LotteryService.java
+++ b/luoo_user/src/main/java/com/luoo/user/service/LotteryService.java
@@ -309,6 +309,10 @@ public class LotteryService {
 
         // 校验用户是否可参与
         UserInfo userInfo = userInfoDao.findById(userLoginDto.getUserId()).get();
+        List<LotteryUser> list = lotteryUserDao.findByLotteryIdAndUserId(id, userLoginDto.getUserId());
+        if (list != null && !list.isEmpty()) {
+            throw new BizException(ErrorConstants.ALREADY_PARTICIPATED_CANNOT_PARTICIPATE_AGAIN);
+        }
 
         Integer participant = lottery.getParticipant();
         if (Objects.equals(participant, PointEnums.LOTTERY_ALL_MEMBER.getCode())) {