diff --git a/Demo-Service/综合应用/comp_usart.c b/Demo-Service/综合应用/comp_usart.c
index 8336ab53..3dc608f0 100644
--- a/Demo-Service/综合应用/comp_usart.c
+++ b/Demo-Service/综合应用/comp_usart.c
@@ -168,7 +168,7 @@ uCreateTask_TimInt
  */
 uCreateTask_TimQry
 (
-    tmid_uart1_send, tQueryFlagGroup(uart1_send) | uart1_sem.counter | uart1_queue.counter, false,
+    tmid_uart1_send, tQueryFlagGroup(uart1_send) || uart1_sem.counter || uart1_queue.counter, false,
     task_uart1_send, 4, 384, 0, 0
 )
 {