diff --git a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/encryption/EncryptedString.java b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/encryption/EncryptedString.java
index 47b3ae8f..1330d6d0 100644
--- a/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/encryption/EncryptedString.java
+++ b/jero-boot/jero-boot-base/jero-boot-base-core/src/main/java/com/jero/common/util/encryption/EncryptedString.java
@@ -6,7 +6,11 @@ import lombok.Data;
 @Data
 public class  EncryptedString {
 
-    public static  String key = "1234567890adbcde";//长度为16个字符
+    private EncryptedString(){
 
-    public static  String iv  = "1234567890hjlkew";//长度为16个字符
+    }
+    //长度为16个字符
+    public static final String key = "1234567890adbcde";
+    //长度为16个字符
+    public static final String iv  = "1234567890hjlkew";
 }