diff --git a/diy2-test.py b/diy2-test.py
index 33c089c..4e6eec3 100644
--- a/diy2-test.py
+++ b/diy2-test.py
@@ -12,7 +12,8 @@ class Dog:   # 狗类
 
 class Husky(Dog):   # 哈士奇类
     def __init__(self):
-        ？？
+        super().__init__()
+        self.skin = "black"
 
 coco = Husky()
 print(coco.skin)
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