diff --git a/index.js b/index.js
new file mode 100644
index 0000000..286704e
--- /dev/null
+++ b/index.js
@@ -0,0 +1,47 @@
+class Person {
+	constructor(name) {
+		this.name = name
+	}
+	walk() {
+		console.log(`${this.name}在走路`)
+	}
+	work() {
+		console.log(`${this.name}在工作`)
+	}
+	sleep() {
+		console.log(`${this.name}在睡觉`)
+	}
+	eat() {
+		console.log(`${this.name}在吃饭`)
+	}
+	study() {
+		console.log(`${this.name}在学习`)
+	}
+	exercise() {
+		console.log(`${this.name}在运动`)
+	}
+}
+
+class Mobike {
+	constructor() {
+		this.name = '摩拜单车'
+	}
+	ride(userName) {
+		console.log(`${userName}在骑单车`)
+	}
+}
+
+const DATE = new Date(2019, 6, 21)
+const WEATER = '多云'
+const LOCATION = '广州'
+
+const me = new Person('我')
+const bike = new Mobike()
+
+me.walk()
+bike.ride(me.name)
+me.work()
+me.eat()
+me.study()
+me.exercise()
+me.sleep()