diff --git a/ppcls/modeling/architectures/distillation_models.py b/ppcls/modeling/architectures/distillation_models.py
index 5ef3b32cb6a3413bdce4e20f24e10761b2485837..55d165dcd8d67018865699b7d06715f071ea493d 100644
--- a/ppcls/modeling/architectures/distillation_models.py
+++ b/ppcls/modeling/architectures/distillation_models.py
@@ -50,7 +50,7 @@ class ResNet50_vd_distill_MobileNetV3_large_x1_0(nn.Layer):
 
 class ResNeXt101_32x16d_wsl_distill_ResNet50_vd(nn.Layer):
     def __init__(self, class_dim=1000, **args):
-        super(ResNet50_vd_distill_MobileNetV3_large_x1_0, self).__init__()
+        super(ResNeXt101_32x16d_wsl_distill_ResNet50_vd, self).__init__()
 
         self.teacher = ResNeXt101_32x16d_wsl(class_dim=class_dim, **args)
 
@@ -62,4 +62,4 @@ class ResNeXt101_32x16d_wsl_distill_ResNet50_vd(nn.Layer):
 
         student_label = self.student(input)
 
-        return teacher_label, student_label
\ No newline at end of file
+        return teacher_label, student_label
diff --git a/ppcls/modeling/architectures/res2net.py b/ppcls/modeling/architectures/res2net.py
index 1949262aff5c34999e3234bb992edc2d9309fac6..4980e34af97ee55b5f18e15c3f0ed5f0670183d3 100644
--- a/ppcls/modeling/architectures/res2net.py
+++ b/ppcls/modeling/architectures/res2net.py
@@ -247,11 +247,6 @@ def Res2Net50_14w_8s(**args):
     return model
 
 
-def Res2Net50_48w_2s(**args):
-    model = Res2Net(layers=50, scales=2, width=48, **args)
-    return model
-
-
 def Res2Net50_26w_6s(**args):
     model = Res2Net(layers=50, scales=6, width=26, **args)
     return model
diff --git a/ppcls/modeling/architectures/res2net_vd.py b/ppcls/modeling/architectures/res2net_vd.py
index e4ffb77353a22f47da3b01726292eadbd98ebbda..9961d520f4544126e94f925654a3d4a0b9e686ee 100644
--- a/ppcls/modeling/architectures/res2net_vd.py
+++ b/ppcls/modeling/architectures/res2net_vd.py
@@ -270,11 +270,6 @@ def Res2Net50_vd_14w_8s(**args):
     return model
 
 
-def Res2Net50_vd_48w_2s(**args):
-    model = Res2Net_vd(layers=50, scales=2, width=48, **args)
-    return model
-
-
 def Res2Net50_vd_26w_6s(**args):
     model = Res2Net_vd(layers=50, scales=6, width=26, **args)
     return model
diff --git a/ppcls/modeling/architectures/resnest.py b/ppcls/modeling/architectures/resnest.py
index 0875c06a9b948f6597f616a522d34c508bbdb992..4eeefddf44cc1ca89ed896e9556f191a13470b4c 100644
--- a/ppcls/modeling/architectures/resnest.py
+++ b/ppcls/modeling/architectures/resnest.py
@@ -242,7 +242,7 @@ class BottleneckBlock(nn.Layer):
                 num_filters=group_width,
                 filter_size=3,
                 stride=1,
-                dilation=dialtion,
+                dilation=dilation,
                 groups=cardinality,
                 act="relu",
                 name=name + "_conv2")