how could this happen, how to fix it?

[kameronren]

jdl version: 0.11.0
net.setInitializer(new XavierInitializer(),Type.WEIGHT);
net.setInitializer(new NormalInitializer(),Type.BIAS);
net.initialize(manager, DataType.FLOAT32,new Shape(32,3,256,256));
System.out.println(net.isInitialized()); // the print result is "false", why?!! how to fix it??