diff --git a/history/014_3cells/src/main/java/com/gitee/drinkjava2/frog/objects/OneDotEye.java b/history/014_3cells/src/main/java/com/gitee/drinkjava2/frog/objects/OneDotEye.java
new file mode 100644
index 0000000..3c1e700
--- /dev/null
+++ b/history/014_3cells/src/main/java/com/gitee/drinkjava2/frog/objects/OneDotEye.java
@@ -0,0 +1,24 @@
+package com.gitee.drinkjava2.frog.objects;
+
+import com.gitee.drinkjava2.frog.Env;
+import com.gitee.drinkjava2.frog.Frog;
+import com.gitee.drinkjava2.frog.objects.EnvObject.DefaultEnvObject;
+
+/**
+ * DotEye的作用只有一个，就是定期在视网膜细胞上激活一个点，告知食物存在
+ */
+public class OneDotEye extends DefaultEnvObject {
+    public static int code = 0;
+
+    @Override
+    public void active(int screen, int step) {
+        code++;
+        if (code % 20 == 0) { //每隔20步在所有青蛙的视网膜上画一个图案 ，单个点调试时设为每20步激活时就是食物 
+            for (int i = screen; i < screen + Env.FROG_PER_SCREEN; i++) {
+                Frog f = Env.frogs.get(i);
+                f.energys[0][0][0] = f.consts[0];
+            }
+        }
+    }
+
+}