fix

Author: HydrogenSulfate

examples/cylinder/2d_unsteady/conf/cylinder2d_unsteady_Re100.yaml

@@ -1,3 +1,12 @@
+defaults:
+  - ppsci_default
+  - TRAIN: train_default
+  - TRAIN/ema: ema_default
+  - TRAIN/swa: swa_default
+  - EVAL: eval_default
+  - INFER: infer_default
+  - _self_
+
 hydra:
   run:
     # dynamic output directory according to running time and override name