diff --git a/spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme-zh.md b/spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme-zh.md
index f4132dd69..33c3f0233 100644
--- a/spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme-zh.md
+++ b/spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme-zh.md
@@ -30,10 +30,10 @@
 		@RefreshScope
 		class SampleController {
 	
-    		@Value("${user.name}")
+    		@Value("${user.nickname:zz}")
     		String userName;
 	
-    		@Value("${user.age}")
+    		@Value("${user.age:18}")
     		int age;
 		}
 
@@ -51,7 +51,7 @@
 
 3. 在命令行执行如下命令，向 Nacos Server 中添加一条配置。
 	
-		curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos-config-example.properties&group=DEFAULT_GROUP&content=user.id=1%0Auser.name=james%0Auser.age=17"
+		curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos-config-example.properties&group=DEFAULT_GROUP&content=user.id=1%0Auser.nickname=james%0Auser.age=17"
 		
 	**注：你也可以使用其他方式添加，遵循 HTTP API 规范即可，若您使用的 Nacos 版本自带控制台，建议直接使用控制台进行配置**
 	
@@ -63,7 +63,7 @@
 		内容如下
 		
    		user.id=1
-		user.name=james
+		user.nickname=james
 		user.age=17	
 
 ### 应用启动
@@ -89,7 +89,7 @@
 #### 验证动态刷新
 1. 执行如下命令，修改 Nacos Server 端的配置数据
 
-		curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos-config-example.properties&group=DEFAULT_GROUP&content=user.id=1%0Auser.name=james%0Auser.age=18"
+		curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos-config-example.properties&group=DEFAULT_GROUP&content=user.id=1%0Auser.nickname=james%0Auser.age=18"
 
 2. 在浏览器地址栏输入 `http://127.0.0.1:18084/user`，并点击调转，可以看到应用从 Nacos Server 中获取了最新的数据，age 变成了 18。
 
diff --git a/spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme.md b/spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme.md
index 8535ab2fa..072bfa8e2 100644
--- a/spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme.md
+++ b/spring-cloud-alibaba-examples/nacos-example/nacos-config-example/readme.md
@@ -30,10 +30,10 @@ Before we start the demo, let's learn how to connect Nacos Config to a Spring Cl
 		@RefreshScope
 		class SampleController {
 	
-    		@Value("${user.name}")
+    		@Value("${user.nickname:zz}")
     		String userName;
 	
-    		@Value("${user.age}")
+    		@Value("${user.age:18}")
     		int age;
 		}
 
@@ -51,7 +51,7 @@ Before we start the demo, let's learn how to connect Nacos Config to a Spring Cl
 
 3. Execute the following command to add a configuration to Nacos Server.
 	
-		curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos-config-example.properties&group=DEFAULT_GROUP&content=user.id=1%0Auser.name=james%0Auser.age=17"
+		curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos-config-example.properties&group=DEFAULT_GROUP&content=user.id=1%0Auser.nickname=james%0Auser.age=17"
 		
 	**Note: You can also add it in other ways. If you are using the Nacos version with its own console, it is recommended to configure it directly using the console.**
 	
@@ -64,7 +64,7 @@ Before we start the demo, let's learn how to connect Nacos Config to a Spring Cl
 		content is
 		
 		user.id=1
-		user.name=james
+		user.nickname=james
 		user.age=17	
 
 ### Start Application
@@ -90,7 +90,7 @@ Enter `http://127.0.0.1:18084/user` in the browser address bar and click Go to,
 #### Dynamic Refresh
 1. Run the following command to modify the configuration data on the Nacos Server side.
 
-		curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos-config-example.properties&group=DEFAULT_GROUP&content=user.id=1%0Auser.name=james%0Auser.age=18"
+		curl -X POST "http://127.0.0.1:8848/nacos/v1/cs/configs?dataId=nacos-config-example.properties&group=DEFAULT_GROUP&content=user.id=1%0Auser.nickname=james%0Auser.age=18"
 
 2. Enter `http://127.0.0.1:18084/user` in the browser address bar and click Go to,
 We can see that the app got the latest data from Nacos Server and the age becomes 18.