Fix: dial tcp with context to avoid margin of error

adapters/outbound/shadowsocks.go

@@ -1,6 +1,7 @@
 package adapters
 
 import (
+	"context"
 	"crypto/tls"
 	"encoding/json"
 	"fmt"
@@ -57,8 +58,8 @@ type v2rayObfsOption struct {
 	Mux            bool              `obfs:"mux,omitempty"`
 }
 
-func (ss *ShadowSocks) Dial(metadata *C.Metadata) (C.Conn, error) {
-	c, err := dialTimeout("tcp", ss.server, tcpTimeout)
+func (ss *ShadowSocks) DialContext(ctx context.Context, metadata *C.Metadata) (C.Conn, error) {
+	c, err := dialContext(ctx, "tcp", ss.server)
 	if err != nil {
 		return nil, fmt.Errorf("%s connect error: %s", ss.server, err.Error())
 	}