diff --git a/ch6-2/ch6-2-provider-service/src/main/java/cn/springcloud/book/controller/TestController.java b/ch6-2/ch6-2-provider-service/src/main/java/cn/springcloud/book/controller/TestController.java
index d4714315..550b21c6 100644
--- a/ch6-2/ch6-2-provider-service/src/main/java/cn/springcloud/book/controller/TestController.java
+++ b/ch6-2/ch6-2-provider-service/src/main/java/cn/springcloud/book/controller/TestController.java
@@ -10,7 +10,11 @@
 public class TestController {
 
 	@RequestMapping(value = "/getUser",method = RequestMethod.GET)
-	public String getUser(@RequestParam("username") String username){
-		return "This is real user";
+	public String getUser(@RequestParam("username") String username) throws Exception{
+		if(username.equals("spring")) {
+			return "This is real user";
+		}else {
+			throw new Exception();
+		}
 	}
 }