diff --git a/Readmd.md b/Readmd.md
new file mode 100644
index 0000000..c5092f9
--- /dev/null
+++ b/Readmd.md
@@ -0,0 +1,7 @@
+# SpoofDPI
+
+## build
+`go build ./...`
+
+## install
+`go install github.com/jerry901/SpoofDPI/cmd/spoof-dpi`
diff --git a/cmd/spoof-dpi/main.go b/cmd/spoof-dpi/main.go
index 5dc991b..6dbe0b6 100644
--- a/cmd/spoof-dpi/main.go
+++ b/cmd/spoof-dpi/main.go
@@ -2,8 +2,10 @@ package main
 
 import (
     "fmt"
+    "github.com/jerry901/SpoofDPI/hello"
 )
 
 func main() {
     fmt.Println("Hello, world!")
+    hello.hello()
 }
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..a4497b5
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module SpoofDPI
+
+go 1.17
diff --git a/hello/hello.go b/hello/hello.go
new file mode 100644
index 0000000..0c27a41
--- /dev/null
+++ b/hello/hello.go
@@ -0,0 +1,11 @@
+package hello
+
+
+import (
+    "fmt"
+)
+
+
+func hello() {
+    fmt.Print("hello")
+}
diff --git a/spoof-dpi b/spoof-dpi
new file mode 100755
index 0000000..ac2e10a
Binary files /dev/null and b/spoof-dpi differ