Update README.md

README.md

@@ -3,24 +3,24 @@
 Golang configuration,use to Viper reading from remote Nacos config systems. Viper remote for Naocs.
 
 ```go
-	runtime_viper := viper.New()
+runtime_viper := viper.New()
 
-	remote.SetOptions(&remote.Option{
+remote.SetOptions(&remote.Option{
    Url:         "localhost",
    Port:        80,
    NamespaceId: "public",
    GroupName:   "DEFAULT_GROUP",
    Config: 	remote.Config{ DataId: "config_dev" },
    Auth:        nil,
-  })
+})
 
-	err := remote_viper.AddRemoteProvider("nacos", "localhost", "")
-	remote_viper.SetConfigType("yaml")
+err := remote_viper.AddRemoteProvider("nacos", "localhost", "")
+remote_viper.SetConfigType("yaml")
 
-	_ = remote_viper.ReadRemoteConfig()             //sync get remote configs to remote_viper instance memory . for example , remote_viper.GetString(key)
-	_ = remote_viper.WatchRemoteConfigOnChannel()   //async watch , auto refresh configs.
+_ = remote_viper.ReadRemoteConfig()             //sync get remote configs to remote_viper instance memory . for example , remote_viper.GetString(key)
+_ = remote_viper.WatchRemoteConfigOnChannel()   //async watch , auto refresh configs.
 
-	appName := remote_viper.GetString("key")
+appName := remote_viper.GetString("key")   // sync get config by key
 
-	fmt.Println(appName)
+fmt.Println(appName)
 ```