diff --git a/server/imserver/WSPListener.go b/server/imserver/WSPListener.go
index 70b97f3a..47bd4d78 100644
--- a/server/imserver/WSPListener.go
+++ b/server/imserver/WSPListener.go
@@ -59,21 +59,22 @@ func (this *WSPListener_) accept() {
 */
 func (this *WSPListener_) socketRead(conn net.Conn) {
 	buf := make([]byte, 1024 * 64)
-	//recvBuf := make([]byte, 1024 * 64)
+	recvBuf := make([]byte, 1024 * 64 * 2)
 	offset := 0
 	for {
 		bufLen, err := conn.Read(buf)
 		if err == nil && bufLen > 0 {
+			copy(buf[:bufLen], recvBuf[offset:])
 			warning := false
 			for bufLen - offset >= 12 {
-				packLen := int(buf[0]) >> 16 + int(buf[1])
-				if buf[8] == 'K' && buf[9] == 'S' {
+				packLen := int(recvBuf[0]) >> 16 + int(recvBuf[1])
+				if recvBuf[8] == 'K' && recvBuf[9] == 'S' {
 					if bufLen - offset < 12 + packLen {
 						continue
 					}
 					hdr := new(q5.MsgHdr)
-					hdr.MsgId = int(buf[0]) >> 16 + int(buf[1])
-					hdr.SeqId = int(buf[0]) >> 16 + int(buf[1])
+					hdr.MsgId = int(recvBuf[0]) >> 16 + int(recvBuf[1])
+					hdr.SeqId = int(recvBuf[0]) >> 16 + int(recvBuf[1])
 					offset += 12 + packLen
 				} else {
 					warning = true
@@ -81,6 +82,7 @@ func (this *WSPListener_) socketRead(conn net.Conn) {
 					continue
 				}
 			}
+			copy(recvBuf[:offset], recvBuf[:])
 			if warning {
 				f5.SysLog().Warning("收到client非法数据包")
 			}