diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..318e671
Binary files /dev/null and b/.DS_Store differ
diff --git a/Client/.DS_Store b/Client/.DS_Store
new file mode 100644
index 0000000..9e8f77d
Binary files /dev/null and b/Client/.DS_Store differ
diff --git a/Client/Client.go b/Client/Client.go
new file mode 100644
index 0000000..a37dbbc
--- /dev/null
+++ b/Client/Client.go
@@ -0,0 +1,25 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"net/http"
+	"net/http/httputil"
+)
+
+func main() {
+	url := "http://10.50.0.129:9999/hi"
+	req, _ := http.NewRequest("GET", url, nil)
+	res, err := http.Head(url)
+	res.Header.Set("Hello", "BasicHTTP!")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	dumpRes, _ := httputil.DumpResponse(res, true)
+	fmt.Printf("%s", dumpRes)
+
+	dump, _ := httputil.DumpRequestOut(req, true)
+	fmt.Printf("%s", dump)
+
+}
\ No newline at end of file
diff --git a/Curl.md b/Curl.md
index ce6f29d..addb29a 100644
--- a/Curl.md
+++ b/Curl.md
@@ -1 +1,10 @@
 # Please show HTTP Request and Response using curl command
+
+
+toukaininnoMacBook-Pro% curl -i http://10.50.0.129:9999/hi                    
+HTTP/1.1 200 OK
+Date: Wed, 10 Jun 2020 18:40:05 GMT
+Content-Length: 12
+Content-Type: text/plain; charset=utf-8
+
+10.50.0.129
\ No newline at end of file
diff --git a/README.md b/README.md
index 99b6488..1f3606e 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,12 @@
 # Exp3BasicHttp
 For Labo of Basic HTTP for Exp3 of Univ
 
+## Mission
+
+1. show Server Directory README.md
+2. show Client Directory README.md
+2. show Curl.md
+
 ## Setup
 
 1. access 'https://github.com/Hardw01f/Exp3BasicHttp'
diff --git a/Server/.DS_Store b/Server/.DS_Store
new file mode 100644
index 0000000..7579756
Binary files /dev/null and b/Server/.DS_Store differ
diff --git a/Server/README.md b/Server/README.md
index 27b8f2a..572e856 100644
--- a/Server/README.md
+++ b/Server/README.md
@@ -1,5 +1,7 @@
 # Please write code of simple HTTP(Web) server
 
+write this directory
+
 ## Specification
 
 - write by using favorit language
@@ -7,3 +9,16 @@
 - listen the API '/hi'
 - return your IP address in Response Body
 - return 'Hello: BasicHTTP!' Header in Response Header
+
+## Response Exsample
+
+```
+HTTP/1.1 200 OK
+Hello: BasicHTTP!
+Date: Tue, 26 May 2020 06:53:14 GMT
+Content-Length: 13
+Content-Type: text/plain; charset=utf-8
+
+10.10.11.194
+
+```
diff --git a/Server/Server.go b/Server/Server.go
new file mode 100644
index 0000000..127106e
--- /dev/null
+++ b/Server/Server.go
@@ -0,0 +1,24 @@
+package main
+
+import (
+        "fmt"
+        "net"
+        "net/http"
+)
+
+func getipv4 (w http.ResponseWriter, r *http.Request){
+        addrs, _ := net.InterfaceAddrs()
+        for _, addr := range addrs {
+                if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback(){
+                        if ipnet.IP.To4() != nil {
+                        fmt.Fprintln(w, ipnet.IP.String())
+                        break
+                        }
+                }
+        }
+}
+
+func main() {
+        http.HandleFunc("/hi", getipv4)
+        http.ListenAndServe(":9999",nil)
+}
\ No newline at end of file