Source/BladeX-Tool/blade-core-tool/src/main/java/org/springblade/core/tool/jackson/BladeBeanSerializerModifier.java
@@ -43,7 +43,7 @@ JavaType type = writer.getType(); Class<?> clazz = type.getRawClass(); if (type.isTypeOrSubTypeOf(Number.class)) { writer.assignNullSerializer(NullJsonSerializers.NUMBER_JSON_SERIALIZER); // writer.assignNullSerializer(NullJsonSerializers.NUMBER_JSON_SERIALIZER); } else if (type.isTypeOrSubTypeOf(Boolean.class)) { writer.assignNullSerializer(NullJsonSerializers.BOOLEAN_JSON_SERIALIZER); } else if (type.isTypeOrSubTypeOf(Character.class)) {