diff --git a/paddleseg/core/export.py b/paddleseg/core/export.py
index 839f22980..f2f18a61b 100644
--- a/paddleseg/core/export.py
+++ b/paddleseg/core/export.py
@@ -54,15 +54,15 @@ def export(args, model=None, save_dir=None, use_ema=False):
     input_spec = [paddle.static.InputSpec(shape=shape, dtype='float32')]
     model.eval()
     model = paddle.jit.to_static(model, input_spec=input_spec)
-    uniform_output_enabled = cfg.dic.get('uniform_output_enabled', False)
-    if args.for_fd or uniform_output_enabled:
+    export_during_train = cfg.dic.get('export_during_train', False)
+    if args.for_fd or export_during_train:
         save_name = 'inference'
         yaml_name = 'inference.yml'
     else:
         save_name = 'model'
         yaml_name = 'deploy.yaml'
 
-    if uniform_output_enabled:
+    if export_during_train:
         inference_model_path = os.path.join(save_dir, "inference", save_name)
         yml_file = os.path.join(save_dir, "inference", yaml_name)
         if use_ema:
diff --git a/paddleseg/core/train.py b/paddleseg/core/train.py
index 4c35a0e78..ca608c827 100644
--- a/paddleseg/core/train.py
+++ b/paddleseg/core/train.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import os
+import gc
 import time
 import yaml
 import json
@@ -124,6 +125,7 @@ def train(model,
             param.stop_gradient = True
 
     uniform_output_enabled = kwargs.pop("uniform_output_enabled", False)
+    export_during_train = kwargs.pop("export_during_train", False)
     cli_args = kwargs.pop("cli_args", None)
     model.train()
     nranks = paddle.distributed.ParallelEnv().nranks
@@ -365,15 +367,17 @@ def train(model,
                             os.path.join(current_save_dir, 'model.pdparams'))
                 paddle.save(optimizer.state_dict(),
                             os.path.join(current_save_dir, 'model.pdopt'))
-                if uniform_output_enabled:
+                if export_during_train:
                     export(cli_args, model, current_save_dir)
+                    gc.collect()
 
                 if use_ema:
                     paddle.save(
                         ema_model.state_dict(),
                         os.path.join(current_save_dir, 'ema_model.pdparams'))
-                    if uniform_output_enabled:
+                    if export_during_train:
                         export(cli_args, ema_model, current_save_dir, use_ema)
+                        gc.collect()
 
                 save_models.append(current_save_dir)
                 if len(save_models) > keep_checkpoint_max > 0:
@@ -403,8 +407,10 @@ def train(model,
                         paddle.save(
                             states_dict,
                             os.path.join(best_model_dir, 'model.pdstates'))
-                        if uniform_output_enabled:
+                        if export_during_train:
                             export(cli_args, model, best_model_dir)
+                            gc.collect()
+                        if uniform_output_enabled:
                             save_model_info(states_dict, best_model_dir)
                             update_train_results(cli_args,
                                                  "best_model",
@@ -447,9 +453,11 @@ def train(model,
                                 ema_states_dict,
                                 os.path.join(best_ema_model_dir,
                                              'ema_model.pdstates'))
-                            if uniform_output_enabled:
+                            if export_during_train:
                                 export(cli_args, ema_model, best_ema_model_dir,
                                        use_ema)
+                                gc.collect()
+                            if uniform_output_enabled:
                                 save_model_info(ema_states_dict,
                                                 best_ema_model_dir)
                                 update_train_results(cli_args,
diff --git a/tools/train.py b/tools/train.py
index b0f26840a..d5b67674b 100644
--- a/tools/train.py
+++ b/tools/train.py
@@ -180,6 +180,7 @@ def main(args):
     utils.set_device(args.device)
     utils.set_cv2_num_threads(args.num_workers)
     uniform_output_enabled = cfg.dic.get("uniform_output_enabled", False)
+    export_during_train = cfg.dic.get("export_during_train", False)
     if uniform_output_enabled:
         if not os.path.exists(args.save_dir):
             os.makedirs(args.save_dir)
@@ -244,7 +245,9 @@ def main(args):
           print_mem_info=print_mem_info,
           shuffle=shuffle,
           uniform_output_enabled=uniform_output_enabled,
-          cli_args=None if not uniform_output_enabled else args)
+          export_during_train=export_during_train,
+          cli_args=args
+          if export_during_train or uniform_output_enabled else None)
 
 
 if __name__ == '__main__':