diff --git a/src/main/java/com/yn/bftl/thirdparty/common/util/DateTimeUtils.java b/src/main/java/com/yn/bftl/thirdparty/common/util/DateTimeUtils.java
index 164a0ca..a2d2f63 100644
--- a/src/main/java/com/yn/bftl/thirdparty/common/util/DateTimeUtils.java
+++ b/src/main/java/com/yn/bftl/thirdparty/common/util/DateTimeUtils.java
@@ -1,5 +1,7 @@
 package com.yn.bftl.thirdparty.common.util;
 
+import cn.hutool.core.convert.Convert;
+import cn.hutool.core.date.DateUtil;
 import org.joda.time.DateTime;
 
 import java.time.Instant;
@@ -29,4 +31,8 @@
         ZoneId zoneId = ZoneId.systemDefault();
         return Instant.ofEpochMilli(timeInMillis).atZone(zoneId).toLocalDateTime();
     }
+
+    public static String setDateTimeToRFC3339(String dateStr) {
+        return DateUtil.format(Convert.toLocalDateTime(dateStr) ,"yyyy-MM-dd'T'HH:mm:ssXXX");
+    }
 }