diff --git a/README.md b/README.md
index 4c98505..27370c1 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,26 @@
-# nacos-viper-remote
\ No newline at end of file
+# Viper remote for Nacos
+
+Golang configuration,use to Viper reading from remote Nacos config systems. Viper remote for Naocs.
+
+```go
+runtime_viper := viper.New()
+
+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")
+
+_ = 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")   // sync get config by key
+
+fmt.Println(appName)
+```
diff --git a/example_config.yaml b/example_config.yaml
index eb8fbd2..3de4f29 100644
--- a/example_config.yaml
+++ b/example_config.yaml
@@ -8,7 +8,7 @@ yoyogo:
       strategy: "round-robin"    # round-robin  , weight-time ,  random
       type: "nacos"
       metadata:
-        url: "120.53.133.30"
+        url: "localhost"
         port: 80
         namespace: "public"
         group: "DEFAULT_GROUP"
@@ -17,4 +17,4 @@ yoyogo:
         auth:
           enable: true
           username: "root"
-          password: "1234"
\ No newline at end of file
+          password: "1234"