Update train_hparams.yaml (#1)

- Update train_hparams.yaml (f6f31aa514a154577206fe8e9e51c4bb4ac7bad0)


Co-authored-by: tony <[email protected]>

train_hparams.yaml

@@ -90,7 +90,7 @@ model_ema_decay: 0.9998
 model_ema_force_cpu: false
 model_ema_warmup: true
 model_kwargs:
-  fix_init: true
+  fix_init: false
 momentum: 0.9
 no_aug: false
 no_ddp_bb: false