diff --git a/mykit-data-common/src/main/java/io/mykit/data/common/utils/SHA1Utils.java b/mykit-data-common/src/main/java/io/mykit/data/common/utils/SHA1Utils.java
index 207207a..b33d0e5 100644
--- a/mykit-data-common/src/main/java/io/mykit/data/common/utils/SHA1Utils.java
+++ b/mykit-data-common/src/main/java/io/mykit/data/common/utils/SHA1Utils.java
@@ -48,6 +48,6 @@ public static String b64_sha1(String s) {
             return null;
         }
         // base64加密
-        return new sun.misc.BASE64Encoder().encode(sha1);
+        return java.util.Base64.getEncoder().encodeToString(sha1);
     }
 }