update README.md

README.md

@@ -1,12 +1,47 @@
 # Touch the world
 ## What's this
 A proxy tool implemented by rust.
-## Status
-**IN PROCESSING...**
+## Build
+You need a rust build environment.
+```shell
+cargo build --release
+```
+## How to use
+ 1. Creat a new config file `config.json`.
+    Such as:
+```json
+{
+  "input": {
+    "name": "socks5",
+    "config": {
+      "local_host": "127.0.0.1",
+      "local_port": 1080
+    }
+  },
+  "output": {
+    "name": "ss-aes-256-gcm",
+    "config": {
+      "remote_host": "127.0.0.1",
+      "remote_port": 3391
+    }
+  }
+}
+```
+ 2. Make sure you use this directory structure.
+```
+(root dir)
+    ├--config
+    |   └--config.json
+    └--touch-rust.exe / touch-rust
+```
+ 3. run `./touch-rust`
 
-- [x] Socks5 support
-- [x] Shadowsocks AEAD support
-- [ ] HTTP proxy support
-- [ ] UDP support
-- [ ] More Encrypt support
+## Status
+|        protocol         |support|
+|           :---:         | :---: |
+|          SOCKS5         |   ✅  |
+|    Shadowsocks AEAD     |   ✅  |
+|   HTTP proxy support    |   ❌  |
+|       UDP support       |   ❌  |
+| More protocol support...|Coming soon...|