fix print bug

Author: HydrogenSulfate

ppsci/solver/train.py

@@ -209,7 +209,7 @@ def closure():
         solver.train_time_info["reader_cost"].update(reader_cost)
         solver.train_time_info["batch_cost"].update(batch_cost)
         printer.update_train_loss(solver, loss_dict, total_batch_size)
-        if iter_id == 1 and iter_id % log_freq == 0:
+        if iter_id == 1 or iter_id % log_freq == 0:
             printer.log_train_info(solver, total_batch_size, epoch_id, iter_id)
 
         batch_tic = time.perf_counter()