diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e9b226e..345d3f1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ jobs:
     name: Test
     strategy:
       matrix:
-        go-version: [1.13.x, 1.14.x]
+        go-version: [1.13.x, 1.14.x, 1.20.x]
         platform: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.platform }}
     steps:
diff --git a/proxy.go b/proxy.go
index 89298d7..ea60f98 100644
--- a/proxy.go
+++ b/proxy.go
@@ -13,12 +13,11 @@ type Proxy struct {
 	sentBytes     uint64
 	receivedBytes uint64
 	laddr, raddr  *net.TCPAddr
-	// lconn, rconn  io.ReadWriteCloser
-	lconn, rconn net.Conn
-	erred        bool
-	errsig       chan bool
-	tlsUnwrapp   bool
-	tlsAddress   string
+	lconn, rconn  net.Conn
+	erred         bool
+	errsig        chan bool
+	tlsUnwrapp    bool
+	tlsAddress    string
 
 	Matcher  func([]byte)
 	Replacer func([]byte) []byte