diff --git a/src/main/java/com/github/hcsp/Home.java b/src/main/java/com/github/hcsp/Home.java
index 3146268..aa5798a 100644
--- a/src/main/java/com/github/hcsp/Home.java
+++ b/src/main/java/com/github/hcsp/Home.java
@@ -1,9 +1,7 @@
 package com.github.hcsp;
 
-import com.github.hcsp.pet1.Cat;
-import com.github.hcsp.pet2.Cat;
 
 public class Home {
-    Cat cat1;
-    Cat cat2;
+    com.github.hcsp.pet1.Cat cat1;
+    com.github.hcsp.pet2.Cat cat2;
 }
diff --git a/src/main/java/com/github/hcsp/pet1/Cat.java b/src/main/java/com/github/hcsp/pet1/Cat.java
index 4adfa9f..782f19b 100644
--- a/src/main/java/com/github/hcsp/pet1/Cat.java
+++ b/src/main/java/com/github/hcsp/pet1/Cat.java
@@ -1,3 +1,4 @@
 package com.github.hcsp.pet1;
 
-public class Cat {}
+public class Cat {
+}
diff --git a/src/main/java/com/github/hcsp/pet2/Cat.java b/src/main/java/com/github/hcsp/pet2/Cat.java
index 58fea11..d1ea1b3 100644
--- a/src/main/java/com/github/hcsp/pet2/Cat.java
+++ b/src/main/java/com/github/hcsp/pet2/Cat.java
@@ -1,3 +1,5 @@
 package com.github.hcsp.pet2;
 
-public class Cat {}
+public class Cat {
+
+}