[Hackathon 7th] add missing keywords of aishell3/vits-vc (#3932)

* Update default.yaml

* Update train.py

* Update default.yaml

paddlespeech/t2s/exps/vits/train.py

@@ -230,15 +230,17 @@ def train_sp(args, config):
         output_dir=output_dir)
 
     trainer = Trainer(
-        updater, stop_trigger=(config.max_epoch, 'epoch'), out=output_dir)
+        updater,
+        stop_trigger=(config.train_max_steps, "iteration"),
+        out=output_dir)
 
     if dist.get_rank() == 0:
         trainer.extend(
-            evaluator, trigger=(config.eval_interval_epochs, 'epoch'))
+            evaluator, trigger=(config.eval_interval_steps, 'iteration'))
         trainer.extend(VisualDL(output_dir), trigger=(1, 'iteration'))
     trainer.extend(
         Snapshot(max_size=config.num_snapshots),
-        trigger=(config.save_interval_epochs, 'epoch'))
+        trigger=(config.save_interval_steps, 'iteration'))
 
     print("Trainer Done!")
     trainer.run()