diff --git a/bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/encryption/Sm4Utils.java b/bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/encryption/Sm4Utils.java
index 72b4979..6bb2885 100644
--- a/bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/encryption/Sm4Utils.java
+++ b/bonus-common/bonus-common-core/src/main/java/com/bonus/common/core/utils/encryption/Sm4Utils.java
@@ -63,5 +63,8 @@ public class Sm4Utils {
         // 解密密文
         String decryptedText = Sm4Utils.decrypt(plainText);
         System.out.println("解密后: " + decryptedText);
+
+        String sign = "jyy:2025-07-16";
+        System.out.println("sign加密后: " + Sm4Utils.encrypt(sign));
     }
 }