diff --git a/server/imserver/wsplistener.go b/server/imserver/wsplistener.go
index 32dad261..b9e7deb5 100644
--- a/server/imserver/wsplistener.go
+++ b/server/imserver/wsplistener.go
@@ -110,8 +110,10 @@ func (this *WSPListener) decodePacket(conn net.Conn, buf []byte, offset *int, bu
 			hdr.MsgId = msgHead.MsgId
 			hdr.SocketHandle = msgHead.SocketHandle
 			hdr.SeqId = msgHead.SeqId
+			hdr.Data = buf[int(*offset) + f5.WSPROXYPACKHEAD_C_SIZE:
+				int(*offset) + f5.WSPROXYPACKHEAD_C_SIZE + int(msgHead.PackLen)]
 			this.ch <- hdr
-			*offset += 20 + int(msgHead.PackLen)
+			*offset += f5.WSPROXYPACKHEAD_C_SIZE + int(msgHead.PackLen)
 		} else {
 			warning = true
 			*offset++