diff --git a/src/main/java/com/ycwl/basic/pricing/dto/resp/SceneCouponAvailableResp.java b/src/main/java/com/ycwl/basic/pricing/dto/resp/SceneCouponAvailableResp.java
index ac35fee1..f504b665 100644
--- a/src/main/java/com/ycwl/basic/pricing/dto/resp/SceneCouponAvailableResp.java
+++ b/src/main/java/com/ycwl/basic/pricing/dto/resp/SceneCouponAvailableResp.java
@@ -3,7 +3,7 @@ package com.ycwl.basic.pricing.dto.resp;
 import lombok.Data;
 
 import java.math.BigDecimal;
-import java.time.LocalDateTime;
+import java.util.Date;
 
 /**
  * 场景下可领取优惠券响应
@@ -44,12 +44,12 @@ public class SceneCouponAvailableResp {
     /**
      * 有效期起始
      */
-    private LocalDateTime validFrom;
+    private Date validFrom;
 
     /**
      * 有效期结束
      */
-    private LocalDateTime validUntil;
+    private Date validUntil;
 
     /**
      * 用户可领取数量限制（每人最多可领，null或0表示无限制）
diff --git a/src/main/java/com/ycwl/basic/pricing/dto/resp/SceneCouponConfigResp.java b/src/main/java/com/ycwl/basic/pricing/dto/resp/SceneCouponConfigResp.java
index 2b32f833..df924645 100644
--- a/src/main/java/com/ycwl/basic/pricing/dto/resp/SceneCouponConfigResp.java
+++ b/src/main/java/com/ycwl/basic/pricing/dto/resp/SceneCouponConfigResp.java
@@ -3,7 +3,6 @@ package com.ycwl.basic.pricing.dto.resp;
 import lombok.Data;
 
 import java.math.BigDecimal;
-import java.time.LocalDateTime;
 import java.util.Date;
 
 /**
@@ -55,10 +54,10 @@ public class SceneCouponConfigResp {
     /**
      * 优惠券有效期起始
      */
-    private LocalDateTime couponValidFrom;
+    private Date couponValidFrom;
 
     /**
      * 优惠券有效期结束
      */
-    private LocalDateTime couponValidUntil;
+    private Date couponValidUntil;
 }
diff --git a/src/main/java/com/ycwl/basic/pricing/entity/PriceCouponConfig.java b/src/main/java/com/ycwl/basic/pricing/entity/PriceCouponConfig.java
index 09a58060..fd85c025 100644
--- a/src/main/java/com/ycwl/basic/pricing/entity/PriceCouponConfig.java
+++ b/src/main/java/com/ycwl/basic/pricing/entity/PriceCouponConfig.java
@@ -8,7 +8,6 @@ import com.ycwl.basic.pricing.enums.CouponType;
 import lombok.Data;
 
 import java.math.BigDecimal;
-import java.time.LocalDateTime;
 import java.util.Date;
 
 /**
@@ -80,12 +79,12 @@ public class PriceCouponConfig {
     /**
      * 生效时间
      */
-    private LocalDateTime validFrom;
-    
+    private Date validFrom;
+
     /**
      * 失效时间
      */
-    private LocalDateTime validUntil;
+    private Date validUntil;
     
     /**
      * 是否启用
diff --git a/src/main/java/com/ycwl/basic/pricing/mapper/PriceCouponConfigMapper.java b/src/main/java/com/ycwl/basic/pricing/mapper/PriceCouponConfigMapper.java
index c7e8710c..7e491dc6 100644
--- a/src/main/java/com/ycwl/basic/pricing/mapper/PriceCouponConfigMapper.java
+++ b/src/main/java/com/ycwl/basic/pricing/mapper/PriceCouponConfigMapper.java
@@ -40,12 +40,19 @@ public interface PriceCouponConfigMapper extends BaseMapper<PriceCouponConfig> {
     int incrementUsedQuantity(Long couponId);
 
     /**
-     * 原子性增加已领取数量（仅对有限库存的优惠券生效）
+     * 原子性增加已领取数量（仅对有限库存的优惠券生效，带库存检查）
      */
     @Update("UPDATE price_coupon_config SET claimed_quantity = COALESCE(claimed_quantity, 0) + 1, " +
             "update_time = NOW() WHERE id = #{couponId} AND total_quantity IS NOT NULL AND total_quantity > 0 " +
             "AND COALESCE(claimed_quantity, 0) < total_quantity")
     int incrementClaimedQuantityIfAvailable(@Param("couponId") Long couponId);
+
+    /**
+     * 无条件增加已领取数量（用于无限量优惠券的领取统计）
+     */
+    @Update("UPDATE price_coupon_config SET claimed_quantity = COALESCE(claimed_quantity, 0) + 1, " +
+            "update_time = NOW() WHERE id = #{couponId}")
+    int incrementClaimedQuantity(@Param("couponId") Long couponId);
     
     /**
      * 插入优惠券配置
diff --git a/src/main/java/com/ycwl/basic/pricing/service/impl/CouponServiceImpl.java b/src/main/java/com/ycwl/basic/pricing/service/impl/CouponServiceImpl.java
index 7c3644a8..fe35367e 100644
--- a/src/main/java/com/ycwl/basic/pricing/service/impl/CouponServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/pricing/service/impl/CouponServiceImpl.java
@@ -23,7 +23,6 @@ import org.springframework.transaction.interceptor.TransactionAspectSupport;
 
 import java.math.BigDecimal;
 import java.math.RoundingMode;
-import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -316,11 +315,11 @@ public class CouponServiceImpl implements ICouponService {
             }
             
             // 4. 检查优惠券有效期
-            LocalDateTime now = LocalDateTime.now();
-            if (coupon.getValidFrom() != null && now.isBefore(coupon.getValidFrom())) {
+            Date now = new Date();
+            if (coupon.getValidFrom() != null && now.before(coupon.getValidFrom())) {
                 return CouponClaimResult.failure(CouponClaimResult.ERROR_COUPON_EXPIRED, "优惠券尚未生效");
             }
-            if (coupon.getValidUntil() != null && now.isAfter(coupon.getValidUntil())) {
+            if (coupon.getValidUntil() != null && now.after(coupon.getValidUntil())) {
                 return CouponClaimResult.failure(CouponClaimResult.ERROR_COUPON_EXPIRED, "优惠券已过期");
             }
             
@@ -366,17 +365,20 @@ public class CouponServiceImpl implements ICouponService {
             }
 
             // 9. 更新优惠券已领取数量（区分于已使用数量）
-            // 仅在有总量限制时才更新claimedQuantity(totalQuantity为正整数)
             if (coupon.getTotalQuantity() != null && coupon.getTotalQuantity() > 0) {
+                // 有总量限制：使用带库存检查的原子更新
                 int affected = couponConfigMapper.incrementClaimedQuantityIfAvailable(coupon.getId());
                 if (affected == 0) {
                     throw new CouponInvalidException(
                             CouponClaimResult.ERROR_COUPON_OUT_OF_STOCK,
                             "优惠券已被领取完，请稍后重试");
                 }
-                int updatedClaimedQuantity = (coupon.getClaimedQuantity() == null ? 0 : coupon.getClaimedQuantity()) + 1;
-                coupon.setClaimedQuantity(updatedClaimedQuantity);
+            } else {
+                // 无总量限制：无条件增加已领取数量（用于统计）
+                couponConfigMapper.incrementClaimedQuantity(coupon.getId());
             }
+            int updatedClaimedQuantity = (coupon.getClaimedQuantity() == null ? 0 : coupon.getClaimedQuantity()) + 1;
+            coupon.setClaimedQuantity(updatedClaimedQuantity);
 
             log.info("优惠券领取成功: userId={}, couponId={}, claimRecordId={}",
                     request.getUserId(), request.getCouponId(), claimRecord.getId());
diff --git a/src/main/java/com/ycwl/basic/pricing/service/impl/SceneCouponServiceImpl.java b/src/main/java/com/ycwl/basic/pricing/service/impl/SceneCouponServiceImpl.java
index e304b205..28e2811a 100644
--- a/src/main/java/com/ycwl/basic/pricing/service/impl/SceneCouponServiceImpl.java
+++ b/src/main/java/com/ycwl/basic/pricing/service/impl/SceneCouponServiceImpl.java
@@ -24,7 +24,6 @@ import org.springframework.dao.DuplicateKeyException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
@@ -301,11 +300,11 @@ public class SceneCouponServiceImpl implements ISceneCouponService {
         }
 
         // 2. 检查有效期
-        LocalDateTime now = LocalDateTime.now();
-        if (coupon.getValidFrom() != null && now.isBefore(coupon.getValidFrom())) {
+        Date now = new Date();
+        if (coupon.getValidFrom() != null && now.before(coupon.getValidFrom())) {
             return "优惠券尚未生效";
         }
-        if (coupon.getValidUntil() != null && now.isAfter(coupon.getValidUntil())) {
+        if (coupon.getValidUntil() != null && now.after(coupon.getValidUntil())) {
             return "优惠券已过期";
         }