问红石粒子不会改变颜色

EN

PacketContainer packet = new PacketContainer(PacketType.Play.Server.WORLD_PARTICLES);
packet.getModifier().writeDefaults();
packet.getParticles().write(0, Particle.REDSTONE);
float x = (float) loc.getX();
float y = (float) loc.getY() + 3;
float z = (float) loc.getZ();
float red = 0;
float green = 0;
float blue = 1;
packet.getFloat().write(0, x).write(1, y).write(2, z); // Location
packet.getFloat().write(3, red).write(4, green).write(5, blue); // Offset
packet.getFloat().write(6, 0F); // Particle data ?
packet.getIntegers().write(0, 1); // Amount

ProtocolManager manager = ProtocolLibrary.getProtocolManager();
try {
    for (Player player : getters) manager.sendServerPacket(player, packet);
} catch (Exception ex) {ex.printStackTrace();}