diff --git a/labx-05/labx-05-sca-nacos-config-demo/src/main/java/cn/iocoder/springcloudalibaba/labx5/nacosdemo/controller/DemoController.java b/labx-05/labx-05-sca-nacos-config-demo/src/main/java/cn/iocoder/springcloudalibaba/labx5/nacosdemo/controller/DemoController.java
index fd0cd469..a5d470ae 100644
--- a/labx-05/labx-05-sca-nacos-config-demo/src/main/java/cn/iocoder/springcloudalibaba/labx5/nacosdemo/controller/DemoController.java
+++ b/labx-05/labx-05-sca-nacos-config-demo/src/main/java/cn/iocoder/springcloudalibaba/labx5/nacosdemo/controller/DemoController.java
@@ -17,21 +17,22 @@ public class DemoController {
     @Autowired
     private OrderProperties orderProperties;
 
-    // 测试 @ConfigurationProperties 注解的配置属性类
+    /**
+     * 测试 @ConfigurationProperties 注解的配置属性类
+     */
     @GetMapping("/test01")
     public OrderProperties test01() {
         return orderProperties;
     }
 
-    // @NacosValue(value = "${order.pay-timeout-seconds}")
-    @Value(value = "${order.pay-timeout-seconds}")
+    @Value(value = "${order.pay-timeout-seconds}") // @NacosValue(value = "${order.pay-timeout-seconds}")
     private Integer payTimeoutSeconds;
-
-    // @NacosValue(value = "${order.create-frequency-seconds}")
-    @Value(value = "${order.create-frequency-seconds}")
+    @Value(value = "${order.create-frequency-seconds}") // @NacosValue(value = "${order.create-frequency-seconds}")
     private Integer createFrequencySeconds;
 
-    // 测试 @Value 注解的属性
+    /**
+     * 测试 @Value 注解的属性
+     */
     @GetMapping("/test02")
     public Map<String, Object> test02() {
         return new JSONObject().fluentPut("payTimeoutSeconds", payTimeoutSeconds)
diff --git a/labx-05/labx-05-sca-nacos-config-demo/src/main/resources/bootstrap.yaml b/labx-05/labx-05-sca-nacos-config-demo/src/main/resources/bootstrap.yaml
index 19fd7d43..fb5bb9ec 100644
--- a/labx-05/labx-05-sca-nacos-config-demo/src/main/resources/bootstrap.yaml
+++ b/labx-05/labx-05-sca-nacos-config-demo/src/main/resources/bootstrap.yaml
@@ -4,6 +4,7 @@ spring:
 
   cloud:
     nacos:
+      # Nacos Config 配置项，对应 NacosConfigProperties 配置属性类
       config:
         server-addr: 127.0.0.1:8848 # Nacos 服务器地址
         namespace: # 使用的 Nacos 的命名空间，默认为 null