diff --git a/configs/_base_/datasets/paired_imgs_256x256_crop.py b/configs/_base_/datasets/paired_imgs_256x256_crop.py
index ec4dc4f4e0..6770420cf5 100644
--- a/configs/_base_/datasets/paired_imgs_256x256_crop.py
+++ b/configs/_base_/datasets/paired_imgs_256x256_crop.py
@@ -69,7 +69,7 @@
 
 # `batch_size` and `data_root` need to be set.
 train_dataloader = dict(
-    batch_size=1,
+    batch_size=4,
     num_workers=4,
     persistent_workers=True,
     sampler=dict(type='InfiniteSampler', shuffle=True),
@@ -79,7 +79,7 @@
         pipeline=train_pipeline))
 
 val_dataloader = dict(
-    batch_size=1,
+    batch_size=4,
     num_workers=4,
     dataset=dict(
         type=dataset_type,
@@ -89,7 +89,7 @@
     persistent_workers=True)
 
 test_dataloader = dict(
-    batch_size=1,
+    batch_size=4,
     num_workers=4,
     dataset=dict(
         type=dataset_type,
diff --git a/configs/_base_/datasets/unpaired_imgs_256x256.py b/configs/_base_/datasets/unpaired_imgs_256x256.py
index 42be934f3e..1b55ccc51d 100644
--- a/configs/_base_/datasets/unpaired_imgs_256x256.py
+++ b/configs/_base_/datasets/unpaired_imgs_256x256.py
@@ -64,7 +64,7 @@
 
 # `batch_size` and `data_root` need to be set.
 train_dataloader = dict(
-    batch_size=1,
+    batch_size=4,
     num_workers=4,
     persistent_workers=True,
     sampler=dict(type='InfiniteSampler', shuffle=True),
@@ -74,7 +74,7 @@
         pipeline=train_pipeline))
 
 val_dataloader = dict(
-    batch_size=1,
+    batch_size=4,
     num_workers=4,
     dataset=dict(
         type=dataset_type,
@@ -85,7 +85,7 @@
     persistent_workers=True)
 
 test_dataloader = dict(
-    batch_size=1,
+    batch_size=4,
     num_workers=4,
     dataset=dict(
         type=dataset_type,
diff --git a/configs/_base_/gen_default_runtime.py b/configs/_base_/gen_default_runtime.py
index a13f62f701..64a510e42e 100644
--- a/configs/_base_/gen_default_runtime.py
+++ b/configs/_base_/gen_default_runtime.py
@@ -19,8 +19,9 @@
         type='CheckpointHook',
         interval=10000,
         by_epoch=False,
-        less_keys=['FID-Full-50k/fid'],
-        greater_keys=['IS-50k/is'],
+        max_keep_ckpts=20,
+        less_keys=['FID-Full-50k/fid', 'swd/avg'],
+        greater_keys=['IS-50k/is', 'ms-ssim/avg'],
         save_optimizer=True))
 
 # config for environment
diff --git a/configs/_base_/matting_default_runtime.py b/configs/_base_/matting_default_runtime.py
index 9d9f09cd6c..e544dd8677 100644
--- a/configs/_base_/matting_default_runtime.py
+++ b/configs/_base_/matting_default_runtime.py
@@ -26,7 +26,7 @@
     fn_key='trimap_path',
     img_keys=['pred_alpha', 'trimap', 'gt_merged', 'gt_alpha'],
     bgr2rgb=True)
-custom_hooks = [dict(type='BasicVisualizationHook', interval=1)]
+custom_hooks = [dict(type='BasicVisualizationHook', interval=2000)]
 
 log_level = 'INFO'
 log_processor = dict(type='LogProcessor', by_epoch=False)
diff --git a/configs/ggan/ggan_dcgan-archi_lr1e-3-1xb128-12Mimgs_celeba-cropped-64x64.py b/configs/ggan/ggan_dcgan-archi_lr1e-3-1xb128-12Mimgs_celeba-cropped-64x64.py
index a3c56f1355..a42716a2d9 100644
--- a/configs/ggan/ggan_dcgan-archi_lr1e-3-1xb128-12Mimgs_celeba-cropped-64x64.py
+++ b/configs/ggan/ggan_dcgan-archi_lr1e-3-1xb128-12Mimgs_celeba-cropped-64x64.py
@@ -32,9 +32,7 @@
 ]
 default_hooks = dict(
     checkpoint=dict(
-        max_keep_ckpts=20,
-        save_best=['FID-Full-50k/fid', 'swd/avg', 'ms-ssim/avg'],
-        rule=['less', 'less', 'greater']))
+        max_keep_ckpts=20, save_best='FID-Full-50k/fid', rule='less'))
 
 # METRICS
 metrics = [
diff --git a/configs/ggan/ggan_dcgan-archi_lr1e-4-1xb64-10Mimgs_celeba-cropped-128x128.py b/configs/ggan/ggan_dcgan-archi_lr1e-4-1xb64-10Mimgs_celeba-cropped-128x128.py
index 3d2052ec01..4173260d8b 100644
--- a/configs/ggan/ggan_dcgan-archi_lr1e-4-1xb64-10Mimgs_celeba-cropped-128x128.py
+++ b/configs/ggan/ggan_dcgan-archi_lr1e-4-1xb64-10Mimgs_celeba-cropped-128x128.py
@@ -22,11 +22,11 @@
     discriminator=dict(
         optimizer=dict(type='Adam', lr=0.0001, betas=(0.5, 0.99))))
 
+train_cfg = dict(max_iters=160000)
+
 default_hooks = dict(
     checkpoint=dict(
-        max_keep_ckpts=20,
-        save_best=['FID-Full-50k/fid', 'swd/avg', 'ms-ssim/avg'],
-        rule=['less', 'less', 'greater']))
+        max_keep_ckpts=20, save_best='FID-Full-50k/fid', rule='less'))
 
 # VIS_HOOK
 custom_hooks = [
@@ -37,8 +37,6 @@
         vis_kwargs_list=dict(type='GAN', name='fake_img'))
 ]
 
-train_cfg = dict(max_iters=160000)
-
 # METRICS
 metrics = [
     dict(
@@ -58,14 +56,5 @@
         image_shape=(3, 128, 128))
 ]
 
-val_metrics = [
-    dict(
-        type='FrechetInceptionDistance',
-        prefix='FID-Full-50k',
-        fake_nums=50000,
-        inception_style='StyleGAN',
-        sample_model='orig'),
-]
-
-val_evaluator = dict(metrics=val_metrics)
+val_evaluator = dict(metrics=metrics)
 test_evaluator = dict(metrics=metrics)