diff --git a/opsli-base-support/opsli-core/src/main/java/org/opsli/core/utils/Base64ConvertUtil.java b/opsli-base-support/opsli-core/src/main/java/org/opsli/core/utils/Base64ConvertUtil.java
deleted file mode 100644
index 3a5e277..0000000
--- a/opsli-base-support/opsli-core/src/main/java/org/opsli/core/utils/Base64ConvertUtil.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package org.opsli.core.utils;
-
-import java.io.UnsupportedEncodingException;
-import java.nio.charset.StandardCharsets;
-import java.util.Base64;
-
-/**
- * Base64工具
- * @author 孙志强
- * @date 2018/11/05 23:10
- */
-public final class Base64ConvertUtil {
-    /**
-     * 加密
-     * @param str
-     * @return java.lang.String
-     */
-    public static String encode(String str) throws UnsupportedEncodingException {
-        byte[] encodeBytes = Base64.getEncoder().encode(str.getBytes(StandardCharsets.UTF_8));
-        return new String(encodeBytes);
-    }
-
-    /**
-     * 解密
-     * @param str
-     * @return java.lang.String
-     */
-    public static String decode(String str) throws UnsupportedEncodingException {
-        byte[] decodeBytes = Base64.getDecoder().decode(str.getBytes(StandardCharsets.UTF_8));
-        return new String(decodeBytes);
-    }
-
-    // ==============
-    private Base64ConvertUtil(){}
-}