update README.md

RuoYi

2021-01-14 cca2f5c62ddb9539bceae1f5a92386389e24a5b3

 ruoyi-common/src/main/java/com/ruoyi/common/core/text/CharsetKit.java

@@ -66,7 +66,7 @@


        if (null == destCharset)

        {

            srcCharset = StandardCharsets.UTF_8;

            destCharset = StandardCharsets.UTF_8;

        }



        if (StringUtils.isEmpty(source) || srcCharset.equals(destCharset))