diff --git a/src/config.rs b/src/config.rs
index 87355e1..2f34a0a 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -5,7 +5,7 @@ pub const FLAGS_BITS_MASK: u16 = 0xffe0;
 // common头的flags里面的flag，可以组合
 pub const SDLAN_FLAGS_FROM_SN: u16 = 0x0020;
 pub const SDLAN_FLAGS_SOCKET: u16 = 0x0040;
-pub const SDLAN_FLAGS_OPTIONS: u16 = 0x0080;
+pub const SDLAN_FLAGS_HAS_V6: u16 = 0x0080;
 
 pub const IPV4_SIZE: u8 = 4;
 pub const IPV6_SIZE: u8 = 16;
diff --git a/src/packet/common.rs b/src/packet/common.rs
index 27bbfd8..a2d6bbd 100644
--- a/src/packet/common.rs
+++ b/src/packet/common.rs
@@ -183,6 +183,18 @@ pub fn encode_packet_encrypted<T: serde::Serialize>(
     Ok(result)
 }
 
+/*
+pub fn encode_packet_packet_encrypt(
+    cmn: &Common,
+    pkt: &Packet<'_>,
+    header_pass: &[u8],
+) -> Result<Vec<u8>> {
+    let data2 = aes_encrypt(header_pass, pkt.data)?;
+    pkt.data = &data2;
+    encode_packet_packet(cmn, pkt)
+}
+*/
+
 pub fn encode_packet_packet(cmn: &Common, pkt: &Packet<'_>) -> Result<Vec<u8>> {
     let hdr = cmn.encode();
     let body = pkt.marshal()?;