enhance: escalate ProxyHeader as a global config

main.go

@@ -61,6 +61,7 @@ func main() {
 	}
 
 	api := routers.InitRouter()
+	api.TrustedPlatform = conf.SystemConfig.ProxyHeader
 	server := &http.Server{Handler: api}
 
 	// 收到信号后关闭服务器
@@ -102,7 +103,6 @@ func main() {
 			}
 		}
 
-		api.TrustedPlatform = conf.UnixConfig.ProxyHeader
 		util.Log().Info("Listening to %q", conf.UnixConfig.Listen)
 		if err := RunUnix(server); err != nil {
 			util.Log().Error("Failed to listen to %q: %s", conf.UnixConfig.Listen, err)