Update app.py

app.py

@@ -203,10 +203,10 @@ else:
             )
 if if_gpu_ok == True and len(gpu_infos) > 0:
     gpu_info = "\n".join(gpu_infos)
-    default_batch_size = min(mem) // 2
+    default_batch_size = min(mem) // 16
 else:
     gpu_info = i18n("很遗憾您这没有能用的显卡来支持您训练")
-    default_batch_size = 1
+    default_batch_size = 16
 gpus = "-".join([i[0] for i in gpu_infos])
 from lib.infer_pack.models import (
     SynthesizerTrnMs256NSFsid,