@Override
 public int encodec(byte[] data, int pos, WSContext ctx) {
   pos += IoUtil.writeInt(correction_cluser_id, data, pos);
   return pos;
 }
 @Override
 public int decodec(byte[] data, int pos, WSContext ctx) {
   correction_cluser_id = IoUtil.readInt(data, pos);
   pos += 4;
   return pos;
 }