fix basic auth response

proxy/http/server.go

@@ -118,11 +118,10 @@ Start:
 		return trace
 	}
 
-  	if len(s.config.Accounts) > 0 {
+	if len(s.config.Accounts) > 0 {
 		user, pass, ok := parseBasicAuth(request.Header.Get("Proxy-Authorization"))
 		if !ok || !s.config.HasAccount(user, pass) {
-			_, err := conn.Write([]byte("HTTP/1.1 407 Proxy Authentication Required\r\n" +
-			"Proxy-Authenticate: Basic realm=\"V2Ray\"\r\n\r\n"))
+			_, err := conn.Write([]byte("HTTP/1.1 407 Proxy Authentication Required\r\nProxy-Authenticate: Basic realm=\"proxy\"\r\n\r\n"))
 			return err
 		}
 	}