fix(pricing): 修复优惠券查询条件拼接问题

- 在每个查询条件后添加空格，避免SQL语法错误
- 确保动态SQL片段正确连接
- 优化时间范围查询条件的格式处理

src/main/java/com/ycwl/basic/pricing/mapper/PriceCouponClaimRecordMapper.java

@@ -89,22 +89,22 @@ public interface PriceCouponClaimRecordMapper extends BaseMapper<PriceCouponClai
             "LEFT JOIN price_coupon_config c ON r.coupon_id = c.id " +
             "<where>" +
             "<if test='userId != null'>" +
-            "AND r.user_id = #{userId}" +
+            "AND r.user_id = #{userId} " +
             "</if>" +
             "<if test='couponId != null'>" +
-            "AND r.coupon_id = #{couponId}" +
+            "AND r.coupon_id = #{couponId} " +
             "</if>" +
             "<if test='status != null'>" +
-            "AND r.status = #{status}" +
+            "AND r.status = #{status} " +
             "</if>" +
             "<if test='startTime != null and startTime != \"\"'>" +
-            "AND r.claim_time >= #{startTime}" +
+            "AND r.claim_time >= #{startTime} " +
             "</if>" +
             "<if test='endTime != null and endTime != \"\"'>" +
-            "AND r.claim_time &lt;= #{endTime}" +
+            "AND r.claim_time &lt;= #{endTime} " +
             "</if>" +
             "<if test='scenicId != null and scenicId != \"\"'>" +
-            "AND r.scenic_id = #{scenicId}" +
+            "AND r.scenic_id = #{scenicId} " +
             "</if>" +
             "</where>" +
             "ORDER BY r.create_time DESC" +