diff --git a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysCheckRuleServiceImpl.java b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysCheckRuleServiceImpl.java
index eb2b5fff..05733379 100644
--- a/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysCheckRuleServiceImpl.java
+++ b/jero-boot/jero-boot-module-system/src/main/java/com/jero/modules/system/service/impl/SysCheckRuleServiceImpl.java
@@ -25,7 +25,7 @@ public class SysCheckRuleServiceImpl extends ServiceImpl<SysCheckRuleMapper, Sys
     /**
      * 位数特殊符号，用于检查整个值，而不是裁剪某一段
      */
-    private final String CHECK_ALL_SYMBOL = "*";
+    private static final String CHECK_ALL_SYMBOL = "*";
 
     @Override
     public SysCheckRule getByCode(String ruleCode) {