diff --git a/cash-service/account-service/src/main/java/com/czg/service/account/service/impl/UShopUserServiceImpl.java b/cash-service/account-service/src/main/java/com/czg/service/account/service/impl/UShopUserServiceImpl.java
index 43d7a08f4..11c5ad581 100644
--- a/cash-service/account-service/src/main/java/com/czg/service/account/service/impl/UShopUserServiceImpl.java
+++ b/cash-service/account-service/src/main/java/com/czg/service/account/service/impl/UShopUserServiceImpl.java
@@ -179,6 +179,9 @@ public class UShopUserServiceImpl implements UShopUserService {
         if (StrUtil.isBlank(shopUser.getCode())) {
             shopUser.setCode(generateCode(shopId));
         }
+        if (StrUtil.isBlank(shopUser.getBirthDay())) {
+            shopUser.setBirthDay(null);
+        }
         shopUser.setJoinTime(shopUser.getJoinTime() == null ? DateUtil.date().toLocalDateTime() : shopUser.getJoinTime());