diff --git a/examples/qcloud_iot_hub_sdk_coap/qcloud_iot_hub_sdk_coap.c b/examples/qcloud_iot_hub_sdk_coap/qcloud_iot_hub_sdk_coap.c
index 9d312bff..914e7f5a 100644
--- a/examples/qcloud_iot_hub_sdk_coap/qcloud_iot_hub_sdk_coap.c
+++ b/examples/qcloud_iot_hub_sdk_coap/qcloud_iot_hub_sdk_coap.c
@@ -41,7 +41,7 @@ void application_entry(void *arg)
     coap_basic_thread();
 
     while (1) {
-        printf("This is a mqtt demo!\r\n");
+        printf("This is a coap demo!\r\n");
         tos_task_delay(1000);
     }
 }