537 实验迭代

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/util/JSONUtils.java

@@ -9,6 +9,7 @@ import org.apache.commons.lang3.StringUtils;
 @Slf4j
 public class JSONUtils {
 
+
     public static String toJsonNew(Object obj) {
         if (obj == null) {
             return "";