diff --git "a/homework/week1/Go12008\345\220\264\346\266\233/main.go" "b/homework/week1/Go12008\345\220\264\346\266\233/main.go"
new file mode 100644
index 0000000000000000000000000000000000000000..5a1bada98bfc9ddefe78b9ee5adc736a6111b78d
--- /dev/null
+++ "b/homework/week1/Go12008\345\220\264\346\266\233/main.go"
@@ -0,0 +1,109 @@
+package main
+
+import (
+	"fmt"
+	"math/rand"
+	"strings"
+	"time"
+)
+
+func main1() {
+	var a string
+	var err error
+	fmt.Println("Plz input your string:")
+	_, err = fmt.Scanf("%s", &a)
+	if err != nil {
+		panic(err)
+	}
+	a = strings.TrimSpace(a)
+	var mod int
+	ran := 9999
+	for _, v := range a {
+		mod = mod + int(v)%ran
+	}
+	mod = mod % ran
+	fmt.Println(mod)
+}
+
+func main2() {
+	for i := 1; i < 10; i++ {
+		for j := 1; j <= i; j++ {
+			//tab缩进分割
+			// fmt.Printf("%d * %d = %d\t", j, i, j*i, " ")
+			//格式化字符串，赋值给变量s
+			s := fmt.Sprintf("%d*%d=%d", j, i, j*i)
+			//格式化输出变量s，控制s的输出宽度即可
+			fmt.Printf("%-7s", s)
+			// fmt.Println(s)
+		}
+		fmt.Println("")
+	}
+	fmt.Println("=====================================================")
+	sum, mul, n, even, odd := 0, 0, 0, 0, 0
+	for r1 := 0; ; {
+		//控制随机数的个数，达到个数后退出循环
+		if n >= 20 {
+			break
+		}
+		//循环获取随机数，纳秒+循环次数作为种子
+		src := rand.NewSource(time.Now().UnixNano() + int64(n))
+		gen := rand.New(src)
+		//生成[0,20）的随机数
+		r1 = gen.Intn(20)
+		//判断随机数是[0,20)的随机数，如果不是再次循环
+		if r1 <= 0 {
+			continue
+		}
+
+		if r1%2 == 0 {
+			even += 1
+			fmt.Printf("Random even number is :%d\n", r1)
+			//随机数为偶数时，求乘法
+			if mul == 0 {
+				mul = 1
+			}
+			mul *= r1
+		} else {
+			odd += 1
+			fmt.Printf("Random odd number is :%d\n", r1)
+			//随机数为奇数时，求加法
+			sum += r1
+		}
+		// fmt.Printf("Random number is :%d\n", r1)
+		n++
+	}
+	fmt.Printf("count of Random number is :%d\n", n)
+	fmt.Printf("count of even Random number is :%d\n", even)
+	fmt.Printf("count of odd Random number is :%d\n", odd)
+	fmt.Printf("Random number sum & mul result is %d,%d\n", sum, mul)
+	fmt.Println("=====================================================")
+	//使用循环
+	for start1, start2 := 0, 1; ; {
+		if start1 == 0 {
+			fmt.Printf("Fibonacci sequence nubmer is:%d\n", start1)
+			fmt.Printf("Fibonacci sequence nubmer is:%d\n", start2)
+		}
+		result := start1 + start2
+		if result > 100 {
+			break
+		}
+		fmt.Printf("Fibonacci sequence nubmer is:%d\n", result)
+		start1, start2 = start2, result
+	}
+	fmt.Println("=====================================================")
+	//使用slice
+	array := [2]int{0, 1}
+	slice := array[:]
+	for {
+		result := slice[len(slice)-1] + slice[len(slice)-2]
+		if result > 100 {
+			break
+		}
+		slice = append(slice, result)
+	}
+	fmt.Printf("Fibonacci sequence nubmer slice is:%v\n", slice)
+}
+
+func main() {
+	fmt.Println("hello world!")
+}