diff --git a/interfaces/kits/hyperaio/src/hyperaio.cpp b/interfaces/kits/hyperaio/src/hyperaio.cpp
index 1f5dc006db5daa9b77efbde83ea1972fc9105c87..780b2179831afeba5764a7b33150ddaa34e0ae9a 100644
--- a/interfaces/kits/hyperaio/src/hyperaio.cpp
+++ b/interfaces/kits/hyperaio/src/hyperaio.cpp
@@ -55,7 +55,7 @@ static bool HasAccessIouringPermission()
 
 static bool ValidateReqNum(uint32_t reqNum)
 {
-    return reqNum > 0 && reqNum <= URING_QUEUE_SIZE - 1;
+    return reqNum > 0 && reqNum <= URING_QUEUE_SIZE;
 }
 
 uint32_t HyperAio::SupportIouring()