修复交互模式打不开的bug

main.go

@@ -687,8 +687,6 @@ func passToOutClient(iics incomingInserverConnState, isfallback bool, wlc net.Co
 			if iics.isFallbackH2 {
 				//h2 的fallback 非常特殊，要单独处理. 下面进行h2c拨号并向真实h2c服务器发起请求。
 
-				//暂时不知道如何为 h2 设置 PROXY protocol
-
 				rq := iics.fallbackH2Request
 				rq.Host = targetAddr.Name
 				urlStr := "https://" + targetAddr.String() + iics.theRequestPath

proxy/config_standard.go

@@ -71,6 +71,7 @@ func LoadConfig(configFileName, listenURL, dialURL string, jsonMode int) (standa
 			if err != nil {
 
 				log.Printf("can not load standard config file: %s\n", err)
+				confMode = -1
 				return
 			}
 
@@ -93,6 +94,7 @@ func LoadConfig(configFileName, listenURL, dialURL string, jsonMode int) (standa
 		} else {
 			log.Printf("no -L listen URL provided \n")
 			err = errors.New("no -L listen URL provided")
+			confMode = -1
 			return
 		}
 	}