Some fixes and improvements (#1077)

* [refactor] api controller

* [update] use status code for jsonMsg and 401 to unauthorize

* [update] handle response status code via axios

* [lint] all .go files

sub/sub.go

@@ -7,6 +7,7 @@ import (
 	"net"
 	"net/http"
 	"strconv"
+
 	"x-ui/config"
 	"x-ui/logger"
 	"x-ui/util/common"
@@ -99,7 +100,7 @@ func (s *Server) initRouter() (*gin.Engine, error) {
 }
 
 func (s *Server) Start() (err error) {
-	//This is an anonymous function, no function name
+	// This is an anonymous function, no function name
 	defer func() {
 		if err != nil {
 			s.Stop()