fix nat, add testing workflow

Author: p4gefau1t

.github/workflows/dev-build.yml

@@ -20,6 +20,8 @@ jobs:
         go-version: ${{ matrix.go-version }}
     - name: Checkout code
       uses: actions/checkout@v2
+    - name: Run tests
+      run: cd test && go test && cd ..
     - name: Build
       run: mkdir dist && go build -tags "full" -o dist
     - name: Upload Binary

common/common.go

@@ -11,7 +11,7 @@ import (
 )
 
 const (
-	Version = "v0.4.5"
+	Version = "v0.4.6"
 )
 
 type Runnable interface {

docs/config.toml

@@ -16,7 +16,7 @@ enableMissingTranslationPlaceholders = false
     # Source Code repository section
     description = "An unidentifiable mechanism that helps you bypass GFW. "
     github_repository = "https://github.com/p4gefau1t/trojan-go"
-    version = "0.4.5"
+    version = "0.4.6"
 
     # Documentation repository section
     # documentation repository (set edit link to documentation repository)

docs/content/developer/simplesocks.md

@@ -8,7 +8,7 @@ SimpleSocks协议是无认证机制的简单代理协议，本质上就是去除
 
 SimpleSocks甚至比Socks5更简单，下面是头部结构。
 
-```
+```text
 +-----+------+----------+----------+-----------+
 | CMD | ATYP | DST.ADDR | DST.PORT |  Payload  |
 +-----+------+----------+----------+-----------+

proxy/client/nat.go

@@ -88,6 +88,7 @@ func (n *NAT) listenTCP(errChan chan error) {
 	})
 	if err != nil {
 		errChan <- err
+		return
 	}
 	n.listener = listener
 	defer listener.Close()