diff --git a/core/src/main/java/com/gitee/drinkjava2/frog/brain/BrainPicture.java b/core/src/main/java/com/gitee/drinkjava2/frog/brain/BrainPicture.java
index a2fa54e9bd1f21deadfb0cf6b431e51e35023054..3fcdf42cfcc67bdb3ab2f9627a95ee7143fce207 100644
--- a/core/src/main/java/com/gitee/drinkjava2/frog/brain/BrainPicture.java
+++ b/core/src/main/java/com/gitee/drinkjava2/frog/brain/BrainPicture.java
@@ -1,6 +1,6 @@
 package com.gitee.drinkjava2.frog.brain;
 
- 
+
 import static java.awt.Color.BLACK;
 import static java.awt.Color.RED;
 import static java.awt.Color.WHITE;
diff --git a/core/src/main/java/com/gitee/drinkjava2/frog/egg/Egg.java b/core/src/main/java/com/gitee/drinkjava2/frog/egg/Egg.java
index d6e446b15c6c83094ee1605ecd236a936eb7b14f..b879a73de0eddaa4519d034a3f4301f3595efac4 100644
--- a/core/src/main/java/com/gitee/drinkjava2/frog/egg/Egg.java
+++ b/core/src/main/java/com/gitee/drinkjava2/frog/egg/Egg.java
@@ -47,9 +47,7 @@ public class Egg implements Serializable {
         x = a.x;
         y = a.y;
         for (ArrayList<Integer> gene : a.genes) {//下蛋就是把动物的基因拷贝到新蛋里，并有可能变异
-            ArrayList<Integer> g = new ArrayList<>();
-            g.addAll(gene);
-            genes.add(g);
+            genes.add(new ArrayList<>(gene));
         }
     }
 
diff --git a/core/src/main/java/com/gitee/drinkjava2/frog/util/RandomUtils.java b/core/src/main/java/com/gitee/drinkjava2/frog/util/RandomUtils.java
index dff753356dbc253fb766c98477a33a7b939d6da8..01ece1d2d5911e6f07c297133339d250178d5c89 100644
--- a/core/src/main/java/com/gitee/drinkjava2/frog/util/RandomUtils.java
+++ b/core/src/main/java/com/gitee/drinkjava2/frog/util/RandomUtils.java
@@ -42,7 +42,7 @@ public class RandomUtils {
         return rand.nextFloat();
     }
 
-    public static boolean percent(float percent) {// 有百分这percent的机率为true
+    public static boolean percent(float percent) {// 有百分之percent的机率为true
         return rand.nextFloat() * 100 < percent;
     }