diff --git a/5.数组索引.go b/5.数组索引.go
new file mode 100644
index 0000000..83c410b
--- /dev/null
+++ b/5.数组索引.go
@@ -0,0 +1,25 @@
+package main
+
+import "fmt"
+
+func main() {
+	list_()
+}
+
+func list_() {
+	// 数组
+	var nameList [3]string = [3]string{"skimrme", "lukychen", "Qmeimei"}
+	fmt.Println(nameList)
+
+	// 索引
+	// "skimrme"  "lukychen"   "Qmeimei"
+	//     0          1            2       正向索引
+	//    -3         -2           -1       负向索引
+	fmt.Println(nameList[0])   // 正向索引取值
+	fmt.Println(nameList[2])
+	fmt.Println(nameList[len(nameList)-2])  // 负向索引取值  （go语言原则上不支持的骚操作）
+	// 数组可被切换 但是仿佛是自上而下的
+	nameList[len(nameList)-2] = "123"
+	fmt.Println(nameList)
+
+}
\ No newline at end of file
diff --git a/6.切片.go b/6.切片.go
new file mode 100644
index 0000000..75c45b6
--- /dev/null
+++ b/6.切片.go
@@ -0,0 +1,58 @@
+package main
+
+import (
+	"fmt"
+	"sort"
+)
+
+
+func main() {
+	slice_()
+}
+
+func slice_() {
+	var nameList []string
+	nameList = append(nameList, "1")
+	nameList = append(nameList, "2")
+
+	fmt.Println(nameList[0])
+
+	var nameList1 []string
+	fmt.Println(nameList1 == nil)
+
+	// 初始化
+	var nameList2 []string = []string{}
+	/*
+	其他初始化的方法
+	var nameList2 = []string{}
+	nameList2 := []string{}
+	nameList2 = make([string], 0)
+ 	*/
+	nameList2 = append(nameList2, "1")
+	nameList2 = append(nameList2, "2")
+
+	fmt.Println(nameList2 == nil)
+
+	// make 函数
+	// 格式
+	//make([]type, length, capacity)
+	// 可以创建指定长度，指定容量的切片
+	ageList := make([]int, 3)
+	fmt.Println(ageList)
+	
+	// 数组切片
+	array :=[3]int{1, 2, 3}
+	slices := array[:]
+	fmt.Println(slices)
+	fmt.Println(array[0:2])
+	fmt.Println(array[2:])
+
+	// 切片排序
+	var ints = []int{2, 4, 5, 2, 8, 0, 2, 5,}
+	sort.Ints(ints)
+	fmt.Println(ints)  //  默认升序
+	sort.Sort(sort.Reverse(sort.IntSlice(ints)))  // 降序
+	fmt.Println(ints)
+
+}
+
diff --git a/7.map.go b/7.map.go
new file mode 100644
index 0000000..e69de29