diff --git a/paddleclas.py b/paddleclas.py
index 58a3cddd3c674c0114ce8c8eec71b61483f7f3c9..6ccdbd0bae17465f0ae696d8f012dec81e23df75 100644
--- a/paddleclas.py
+++ b/paddleclas.py
@@ -73,6 +73,7 @@ MODEL_SERIES = {
         "HRNet_W48_C_ssld"
     ],
     "Inception": ["GoogLeNet", "InceptionV3", "InceptionV4"],
+    "MixNet": ["MixNet_S", "MixNet_M", "MixNet_L"],
     "MobileNetV1": [
         "MobileNetV1_x0_25", "MobileNetV1_x0_5", "MobileNetV1_x0_75",
         "MobileNetV1", "MobileNetV1_ssld"
diff --git a/ppcls/arch/backbone/__init__.py b/ppcls/arch/backbone/__init__.py
index 1764830dcb01262d2c60dfd2ab7a2c8dc6670324..aa95ebc7806db6e17b6f2f8a3785c058f60e77f0 100644
--- a/ppcls/arch/backbone/__init__.py
+++ b/ppcls/arch/backbone/__init__.py
@@ -65,6 +65,7 @@ from ppcls.arch.backbone.variant_models.vgg_variant import VGG19Sigmoid
 from ppcls.arch.backbone.variant_models.pp_lcnet_variant import PPLCNet_x2_5_Tanh
 
 
+# help whl get all the models' api (class type) and components' api (func type)
 def get_apis():
     current_func = sys._getframe().f_code.co_name
     current_module = sys.modules[__name__]