feat：【IoT 物联网】新版本同步

yudao-framework/yudao-common/src/main/java/cn/iocoder/yudao/framework/common/util/json/JsonUtils.java

@@ -13,6 +13,7 @@ import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
+import lombok.Getter;
 import lombok.SneakyThrows;
 import lombok.extern.slf4j.Slf4j;
 
@@ -30,6 +31,7 @@ import java.util.List;
 @Slf4j
 public class JsonUtils {
 
+    @Getter
     private static ObjectMapper objectMapper = new ObjectMapper();
 
     static {