diff --git a/Week 01/id_301/circularDeque.go b/Week 01/id_301/circularDeque.go
new file mode 100644
index 000000000..14c200e1b
--- /dev/null
+++ b/Week 01/id_301/circularDeque.go	
@@ -0,0 +1,119 @@
+package main
+
+import "fmt"
+
+type MyCircularDeque struct {
+	size   int
+	length int
+	data   []int
+}
+
+/** Initialize your data structure here. Set the size of the deque to be k. */
+func Constructor(k int) MyCircularDeque {
+	var circularDeque MyCircularDeque
+	circularDeque = *new(MyCircularDeque)
+	circularDeque.size = k
+	circularDeque.length = 0
+	return circularDeque
+}
+
+/** Adds an item at the front of Deque. Return true if the operation is successful. */
+func (this *MyCircularDeque) InsertFront(value int) bool {
+	if this.IsFull() {
+		return false
+	}
+	this.data = append([]int{value}, this.data...)
+	this.length++
+	return true
+}
+
+/** Adds an item at the rear of Deque. Return true if the operation is successful. */
+func (this *MyCircularDeque) InsertLast(value int) bool {
+	if this.IsFull() {
+		return false
+	}
+	this.data = append(this.data, value)
+	this.length++
+	return true
+}
+
+/** Deletes an item from the front of Deque. Return true if the operation is successful. */
+func (this *MyCircularDeque) DeleteFront() bool {
+	if this.IsEmpty() {
+		return false
+	}
+	if this.length == 1 {
+		this.data = []int{}
+	} else {
+		this.data = this.data[1:]
+	}
+	this.length--
+	return true
+}
+
+/** Deletes an item from the rear of Deque. Return true if the operation is successful. */
+func (this *MyCircularDeque) DeleteLast() bool {
+	if this.IsEmpty() {
+		return false
+	}
+	if this.length == 1 {
+		this.data = []int{}
+	} else {
+		this.data = this.data[:this.length-1]
+	}
+	this.length--
+	return true
+}
+
+/** Get the front item from the deque. */
+func (this *MyCircularDeque) GetFront() int {
+	if this.IsEmpty() {
+		return -1
+	}
+	val := this.data[0]
+	return val
+}
+
+/** Get the last item from the deque. */
+func (this *MyCircularDeque) GetRear() int {
+	if this.IsEmpty() {
+		return -1
+	}
+	val := this.data[this.length-1]
+	return val
+}
+
+/** Checks whether the circular deque is empty or not. */
+func (this *MyCircularDeque) IsEmpty() bool {
+	if this.length == 0 {
+		return true
+	}
+	return false
+}
+
+/** Checks whether the circular deque is full or not. */
+func (this *MyCircularDeque) IsFull() bool {
+	if this.size == this.length {
+		return true
+	} else {
+		return false
+	}
+}
+
+func main() {
+	c := Constructor(3)
+	fmt.Println(c.size)
+	fmt.Println(c.InsertFront(3))
+	fmt.Println(c.length)
+	fmt.Println(c.InsertLast(1))
+	fmt.Println(c.length)
+	fmt.Println(c.InsertLast(10))
+	fmt.Println(c.length)
+	fmt.Println(c.InsertLast(11))
+	fmt.Println(c.length)
+	fmt.Println(c.InsertLast(11))
+	fmt.Println(c.length)
+	//fmt.Println(c.DeleteFront())
+	fmt.Println(c.length)
+	fmt.Println(c.IsFull())
+}
diff --git a/Week_01/id_301/linklist/link_node.go b/Week 01/id_301/linklist/link_node.go
similarity index 100%
rename from Week_01/id_301/linklist/link_node.go
rename to Week 01/id_301/linklist/link_node.go
diff --git a/Week_01/id_301/main.go b/Week 01/id_301/main.go
similarity index 97%
rename from Week_01/id_301/main.go
rename to Week 01/id_301/main.go
index 580e8518a..00b4a7db9 100644
--- a/Week_01/id_301/main.go
+++ b/Week 01/id_301/main.go	
@@ -25,8 +25,10 @@ func main() {
 	//l2.Next.Next.Val = 7
 	//fmt.Println(l1.Val)
 	//fmt.Println(linklist.MergeTwoLists(l1, l2).Next.Next.Next.Next.Val)
-	a1 := []int{1, 3, 9, 8, 7}
-	fmt.Println(TwoSum(a1, 10))
+	//a1 := []int{1, 3, 9, 8, 7}
+	//fmt.Println(TwoSum(a1, 10))
+	c := Constructor(3)
+	fmt.Println(c.InsertFront(3))
 }
 
 /**
@@ -254,3 +256,7 @@ func MergeTwoLists(l1 *linklist.ListNode, l2 *linklist.ListNode) *linklist.ListN
 	}
 	return res
 }
+
+/**
+收集雨水
+*/