fix: 邮件下载正文乱码验证

service-base/src/main/java/com/simuwang/base/common/util/EmailUtil.java

@@ -180,6 +180,7 @@ public class EmailUtil {
                         logger.info(contentType+"========================"+html);
                         if(contentType.indexOf("charset=") != -1){
                             contentType = contentType.substring(contentType.indexOf("charset=")+8,contentType.length());
+                            logger.info(contentType+"========================"+"charset="+contentType.toLowerCase());
                             html = html.replace("charset="+contentType.toLowerCase(),"charset=UTF-8");
                             html = html.replace("charset="+contentType.toUpperCase(),"charset=UTF-8");
                         }