diff --git a/service/cloud-demo1/src/main/java/cn/bunny/controller/PropertiesController.java b/service/cloud-demo1/src/main/java/cn/bunny/controller/PropertiesController.java
index dd364a4..d27786a 100644
--- a/service/cloud-demo1/src/main/java/cn/bunny/controller/PropertiesController.java
+++ b/service/cloud-demo1/src/main/java/cn/bunny/controller/PropertiesController.java
@@ -28,13 +28,20 @@ public class PropertiesController {
     @SentinelResource(value = "getConfig", fallback = "getConfigFallBack")
     @Operation(summary = "获取云端配置属性", description = "获取云端配置属性")
     public String getConfig() {
+        // 也可以使用try进行捕获和处理
+        // try {
+        //     SphU.entry("zzz");
+        // } catch (BlockException e) {
+        //     throw new RuntimeException(e);
+        // }
         return "timeout：" + orderProperties.getTimeout() + "；autoConfirm：" + orderProperties.getConfirm() + "；dbUrl：" + orderProperties.getDbUrl();
     }
 
     /**
      * 当获取速度过快时会走这个
+     * Throwable 好处还可以处理业务错误也可以走这个
      */
-    public String getConfigFallBack() {
+    public String getConfigFallBack(Throwable throwable) {
         return "获取云端配置属性，操作过快。。。";
     }