diff --git a/configs/_base_/models/deeplabv3_unet_s5-d16.py b/configs/_base_/models/deeplabv3_unet_s5-d16.py
index 0cd262999..db4707cf4 100644
--- a/configs/_base_/models/deeplabv3_unet_s5-d16.py
+++ b/configs/_base_/models/deeplabv3_unet_s5-d16.py
@@ -47,4 +47,4 @@ model = dict(
             type='CrossEntropyLoss', use_sigmoid=False, loss_weight=0.4)),
     # model training and testing settings
     train_cfg=dict(),
-    test_cfg=dict(mode='slide', crop_size=256, stride=170))
+    test_cfg=dict(mode='slide', crop_size=(256, 256), stride=(170, 170)))
diff --git a/configs/_base_/models/fcn_unet_s5-d16.py b/configs/_base_/models/fcn_unet_s5-d16.py
index a33e79728..0fb966c6c 100644
--- a/configs/_base_/models/fcn_unet_s5-d16.py
+++ b/configs/_base_/models/fcn_unet_s5-d16.py
@@ -48,4 +48,4 @@ model = dict(
             type='CrossEntropyLoss', use_sigmoid=False, loss_weight=0.4)),
     # model training and testing settings
     train_cfg=dict(),
-    test_cfg=dict(mode='slide', crop_size=256, stride=170))
+    test_cfg=dict(mode='slide', crop_size=(256, 256), stride=(170, 170)))
diff --git a/configs/_base_/models/pspnet_unet_s5-d16.py b/configs/_base_/models/pspnet_unet_s5-d16.py
index fcff9ec4f..768f0fea0 100644
--- a/configs/_base_/models/pspnet_unet_s5-d16.py
+++ b/configs/_base_/models/pspnet_unet_s5-d16.py
@@ -47,4 +47,4 @@ model = dict(
             type='CrossEntropyLoss', use_sigmoid=False, loss_weight=0.4)),
     # model training and testing settings
     train_cfg=dict(),
-    test_cfg=dict(mode='slide', crop_size=256, stride=170))
+    test_cfg=dict(mode='slide', crop_size=(256, 256), stride=(170, 170)))