diff --git a/bonus-modules/bonus-smart-canteen/src/main/java/com/bonus/canteen/core/config/json/JacksonConfiguration.java b/bonus-modules/bonus-smart-canteen/src/main/java/com/bonus/canteen/core/config/json/JacksonConfiguration.java
index 9d1fb30..4ecbcf0 100644
--- a/bonus-modules/bonus-smart-canteen/src/main/java/com/bonus/canteen/core/config/json/JacksonConfiguration.java
+++ b/bonus-modules/bonus-smart-canteen/src/main/java/com/bonus/canteen/core/config/json/JacksonConfiguration.java
@@ -37,8 +37,8 @@ public class JacksonConfiguration {
    @Bean
    Jackson2ObjectMapperBuilderCustomizer objectMapperBuilderCustomizer() {
       return (builder) -> {
-//         builder.serializerByType(Long.TYPE, LONG_STD_SERIALIZER);
-//         builder.serializerByType(Long.class, LONG_STD_SERIALIZER);
+         builder.serializerByType(Long.TYPE, LONG_STD_SERIALIZER);
+         builder.serializerByType(Long.class, LONG_STD_SERIALIZER);
          builder.locale(Locale.CHINA);
          builder.timeZone(TimeZone.getTimeZone(ZoneId.systemDefault()));
          builder.simpleDateFormat("yyyy-MM-dd HH:mm:ss");