diff --git a/image/http.png b/image/http.png
new file mode 100644
index 0000000..be93148
Binary files /dev/null and b/image/http.png differ
diff --git a/image/httpProxy.png b/image/httpProxy.png
new file mode 100644
index 0000000..8581d25
Binary files /dev/null and b/image/httpProxy.png differ
diff --git a/image/sock5.png b/image/sock5.png
new file mode 100644
index 0000000..960555e
Binary files /dev/null and b/image/sock5.png differ
diff --git a/image/tcp.png b/image/tcp.png
new file mode 100644
index 0000000..883fbce
Binary files /dev/null and b/image/tcp.png differ