add more allowed header

middleware/cors/cors.go

 
 	config.AddAllowMethods(http.MethodDelete, http.MethodOptions, http.MethodPatch)
 	// x-requested-with antd上传组件需要
-	config.AddAllowHeaders("Authorization", "X-Require-Cookie", "X-Device", "x-requested-with", "X-Tourist-Id")
+	config.AddAllowHeaders("User-Agent", "Lang", "Authorization", "X-Require-Cookie", "X-Device", "x-requested-with", "X-Tourist-Id")
 	config.AllowCredentials = true
 	config.AllowOriginFunc = func(origin string) bool {
 		if gin.Mode() == gin.DebugMode {