perf：fastjson禁用 将相同的对象写成引用的形式

springboot-util/src/main/java/com/tiesheng/util/CommonUtil.java

@@ -20,7 +20,9 @@ public class CommonUtil {
         FastJsonConfig config = new FastJsonConfig();
         config.setSerializerFeatures(SerializerFeature.WriteMapNullValue,
                 SerializerFeature.WriteNullStringAsEmpty,
-                SerializerFeature.WriteEnumUsingName);
+                SerializerFeature.WriteEnumUsingName,
+                SerializerFeature.DisableCircularReferenceDetect
+        );
         config.setDateFormat("yyyy-MM-dd HH:mm:ss");
         config.setSerializeFilters(new DesensitizeValueFilter());
         return config;