diff --git a/src/main/java/com/budwk/app/zhgh/staffbenefit/blessing/service/impl/BirthdayBlessingServiceImpl.java b/src/main/java/com/budwk/app/zhgh/staffbenefit/blessing/service/impl/BirthdayBlessingServiceImpl.java
index bf7a84c..3a64526 100644
--- a/src/main/java/com/budwk/app/zhgh/staffbenefit/blessing/service/impl/BirthdayBlessingServiceImpl.java
+++ b/src/main/java/com/budwk/app/zhgh/staffbenefit/blessing/service/impl/BirthdayBlessingServiceImpl.java
@@ -150,7 +150,38 @@ public class BirthdayBlessingServiceImpl extends BaseServiceImpl<Sys_user> imple
 
     private Sql buildUserSql(String searchKeyword, String unionId, String unitId, String userState, String personType,
                              String preparedBy, String employmentType, String birthdayStart, String birthdayEnd, boolean todayOnly) {
-        Sql sql = Sqls.create("SELECT u.id, u.loginname, u.username, u.sex, u.birthday, u.mobile, u.unitName, u.unionName, u.userState, u.personType, u.preparedBy, DATEDIFF(CASE WHEN DATE_FORMAT(u.birthday, '%m-%d') >= DATE_FORMAT(CURDATE(), '%m-%d') THEN STR_TO_DATE(CONCAT(YEAR(CURDATE()), '-', DATE_FORMAT(u.birthday, '%m-%d')), '%Y-%m-%d') ELSE STR_TO_DATE(CONCAT(YEAR(CURDATE()) + 1, '-', DATE_FORMAT(u.birthday, '%m-%d')), '%Y-%m-%d') END, CURDATE()) AS daysUntilBirthday FROM vw_user u $condition");
+        // 2 月 29 日仅按下一个实际闰年的 2 月 29 日计算，避免非闰年拼接无效日期导致倒计时为空。
+        Sql sql = Sqls.create("""
+                SELECT u.id, u.loginname, u.username, u.sex,
+                       DATE_FORMAT(u.birthday, '%Y-%m-%d') AS birthday,
+                       u.mobile, u.unitName, u.unionName, u.userState, u.personType, u.preparedBy,
+                       DATEDIFF(
+                           CASE
+                               WHEN DATE_FORMAT(u.birthday, '%m-%d') = '02-29' THEN
+                                   CASE
+                                       WHEN (MOD(YEAR(CURDATE()), 400) = 0 OR (MOD(YEAR(CURDATE()), 4) = 0 AND MOD(YEAR(CURDATE()), 100) <> 0))
+                                           AND DATE(CONCAT(YEAR(CURDATE()), '-02-29')) >= CURDATE()
+                                           THEN DATE(CONCAT(YEAR(CURDATE()), '-02-29'))
+                                       ELSE DATE(CONCAT(
+                                           CASE
+                                               WHEN MOD(YEAR(CURDATE()) + 1, 400) = 0 OR (MOD(YEAR(CURDATE()) + 1, 4) = 0 AND MOD(YEAR(CURDATE()) + 1, 100) <> 0) THEN YEAR(CURDATE()) + 1
+                                               WHEN MOD(YEAR(CURDATE()) + 2, 400) = 0 OR (MOD(YEAR(CURDATE()) + 2, 4) = 0 AND MOD(YEAR(CURDATE()) + 2, 100) <> 0) THEN YEAR(CURDATE()) + 2
+                                               WHEN MOD(YEAR(CURDATE()) + 3, 400) = 0 OR (MOD(YEAR(CURDATE()) + 3, 4) = 0 AND MOD(YEAR(CURDATE()) + 3, 100) <> 0) THEN YEAR(CURDATE()) + 3
+                                               WHEN MOD(YEAR(CURDATE()) + 4, 400) = 0 OR (MOD(YEAR(CURDATE()) + 4, 4) = 0 AND MOD(YEAR(CURDATE()) + 4, 100) <> 0) THEN YEAR(CURDATE()) + 4
+                                               WHEN MOD(YEAR(CURDATE()) + 5, 400) = 0 OR (MOD(YEAR(CURDATE()) + 5, 4) = 0 AND MOD(YEAR(CURDATE()) + 5, 100) <> 0) THEN YEAR(CURDATE()) + 5
+                                               WHEN MOD(YEAR(CURDATE()) + 6, 400) = 0 OR (MOD(YEAR(CURDATE()) + 6, 4) = 0 AND MOD(YEAR(CURDATE()) + 6, 100) <> 0) THEN YEAR(CURDATE()) + 6
+                                               WHEN MOD(YEAR(CURDATE()) + 7, 400) = 0 OR (MOD(YEAR(CURDATE()) + 7, 4) = 0 AND MOD(YEAR(CURDATE()) + 7, 100) <> 0) THEN YEAR(CURDATE()) + 7
+                                               ELSE YEAR(CURDATE()) + 8
+                                           END, '-02-29'))
+                                   END
+                               WHEN DATE_FORMAT(u.birthday, '%m-%d') >= DATE_FORMAT(CURDATE(), '%m-%d')
+                                   THEN STR_TO_DATE(CONCAT(YEAR(CURDATE()), '-', DATE_FORMAT(u.birthday, '%m-%d')), '%Y-%m-%d')
+                               ELSE STR_TO_DATE(CONCAT(YEAR(CURDATE()) + 1, '-', DATE_FORMAT(u.birthday, '%m-%d')), '%Y-%m-%d')
+                           END,
+                           CURDATE()
+                       ) AS daysUntilBirthday
+                FROM vw_user u $condition
+                """);
         Cnd cnd = Cnd.NEW();
         cnd.and("u.member", "=", 1).and("u.disabled", "=", 0).and("u.birthday", "is not", null);
         if (StrUtil.isNotBlank(searchKeyword)) {