diff --git a/creation/07_prototype/README.md b/creation/07_prototype/README.md
index 62e3ef0..c2bfbe2 100644
--- a/creation/07_prototype/README.md
+++ b/creation/07_prototype/README.md
@@ -1,5 +1,5 @@
 # 原型模式
 
-原型模式使对象能复制自身，并且暴露到接口中，使客户端面向接口编程时，不知道接口实际对象的情况下生成新的对象。
+原型模式用于快速复制具有相同属性的自身对象.
 
-原型模式配合原型管理器使用，使得客户端在不知道具体类的情况下，通过接口管理器得到新的实例，并且包含部分预设定配置。
+一般是通过实现实现: `Clone()`接口来实现，注意**必须返回新的内存实例**.
diff --git a/creation/07_prototype/prototype.go b/creation/07_prototype/prototype.go
index 2da0ec6..3ec7ce5 100644
--- a/creation/07_prototype/prototype.go
+++ b/creation/07_prototype/prototype.go
@@ -1,24 +1,26 @@
 package prototype
 
-//Cloneable 是原型对象需要实现的接口
+//Cloneable is the key interface
 type Cloneable interface {
 	Clone() Cloneable
 }
 
-type PrototypeManager struct {
-	prototypes map[string]Cloneable
+//cloneLab 克隆实验室,可以克隆很多动物
+type cloneLab struct {
+	animals map[string]Cloneable
 }
 
-func NewPrototypeManager() *PrototypeManager {
-	return &PrototypeManager{
-		prototypes: make(map[string]Cloneable),
+//new 返回一个
+func newCloneLab() *cloneLab {
+	return &cloneLab{
+		animals: make(map[string]Cloneable),
 	}
 }
 
-func (p *PrototypeManager) Get(name string) Cloneable {
-	return p.prototypes[name]
+func (c *cloneLab) Get(name string) Cloneable {
+	return c.animals[name]
 }
 
-func (p *PrototypeManager) Set(name string, prototype Cloneable) {
-	p.prototypes[name] = prototype
+func (c *cloneLab) Set(name string, newObject Cloneable) {
+	c.animals[name] = newObject
 }
diff --git a/creation/07_prototype/prototype_test.go b/creation/07_prototype/prototype_test.go
index cdde8f5..4b83a5d 100644
--- a/creation/07_prototype/prototype_test.go
+++ b/creation/07_prototype/prototype_test.go
@@ -2,51 +2,57 @@ package prototype
 
 import "testing"
 
-var manager *PrototypeManager
+//cloneLab 克隆实验室
+var lab *cloneLab
 
-type Type1 struct {
-	name string
+type sheep struct {
+	name   string
+	weight int
 }
 
-func (t *Type1) Clone() Cloneable {
-	tc := *t
+func (s *sheep) Clone() Cloneable {
+	tc := *s
 	return &tc
 }
 
-type Type2 struct {
-	name string
+type cow struct {
+	name   string
+	gender bool
 }
 
-func (t *Type2) Clone() Cloneable {
-	tc := *t
-	return &tc
+func (c *cow) Clone() Cloneable {
+	newCow := &cow{
+		gender: c.gender,
+		name:   c.name,
+	}
+	return newCow
 }
 
 func TestClone(t *testing.T) {
-	t1 := manager.Get("t1")
 
-	t2 := t1.Clone()
+	sheep1 := &sheep{
+		name:   "sheep",
+		weight: 10,
+	}
 
-	if t1 == t2 {
+	sheep2 := sheep1.Clone()
+
+	if sheep1 == sheep2 {
 		t.Fatal("error! get clone not working")
 	}
 }
 
-func TestCloneFromManager(t *testing.T) {
-	c := manager.Get("t1").Clone()
+func TestCloneFromLab(t *testing.T) {
 
-	t1 := c.(*Type1)
-	if t1.name != "type1" {
+	lab := newCloneLab()
+
+	lab.Set("cow", &cow{name: "i am cow", gender: true})
+
+	c := lab.Get("cow").Clone()
+
+	cw := c.(*cow)
+	if cw.name != "i am cow" {
 		t.Fatal("error")
 	}
 
 }
-
-func init() {
-	manager = NewPrototypeManager()
-
-	t1 := &Type1{
-		name: "type1",
-	}
-	manager.Set("t1", t1)
-}