Change optimizer for vits, test=tts (#2791)

paddlespeech/t2s/exps/vits/train.py

@@ -24,7 +24,7 @@ import yaml
 from paddle import DataParallel
 from paddle import distributed as dist
 from paddle.io import DataLoader
-from paddle.optimizer import Adam
+from paddle.optimizer import AdamW
 from yacs.config import CfgNode
 
 from paddlespeech.t2s.datasets.am_batch_fn import vits_multi_spk_batch_fn
@@ -164,14 +164,14 @@ def train_sp(args, config):
 
     lr_schedule_g = scheduler_classes[config["generator_scheduler"]](
         **config["generator_scheduler_params"])
-    optimizer_g = Adam(
+    optimizer_g = AdamW(
         learning_rate=lr_schedule_g,
         parameters=gen_parameters,
         **config["generator_optimizer_params"])
 
     lr_schedule_d = scheduler_classes[config["discriminator_scheduler"]](
         **config["discriminator_scheduler_params"])
-    optimizer_d = Adam(
+    optimizer_d = AdamW(
         learning_rate=lr_schedule_d,
         parameters=dis_parameters,
         **config["discriminator_optimizer_params"])