diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/FillRuleUtil.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/FillRuleUtil.java
index c95e185c..ce5e2f84 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/FillRuleUtil.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/FillRuleUtil.java
@@ -18,6 +18,10 @@ import com.jero.common.handler.IFillRuleHandler;
 @Slf4j
 public class FillRuleUtil {
 
+    private FillRuleUtil(){
+
+    }
+
     /**
      * @param ruleCode ruleCode
      * @return