diff --git a/core/adapter/syscall/src/hdf_syscall_adapter.c b/core/adapter/syscall/src/hdf_syscall_adapter.c
index a92c70caffe7125ec547524db43a00642194b660..908022746acc9deadeb4d375bef721f9a1460772 100644
--- a/core/adapter/syscall/src/hdf_syscall_adapter.c
+++ b/core/adapter/syscall/src/hdf_syscall_adapter.c
@@ -53,7 +53,7 @@ static int32_t HdfDevEventGrowReadBuffer(struct HdfWriteReadBuf *buffer)
         return HDF_DEV_ERR_NO_MEMORY;
     }
 
-    OsalMemFree((void*)buffer->readBuffer);
+    OsalMemFree((void*)(uintptr_t)buffer->readBuffer);
     buffer->readBuffer = (uintptr_t)newBuff;
     return HDF_SUCCESS;
 }
@@ -171,7 +171,7 @@ static int32_t HdfDevEventReadAndDispatch(struct HdfDevListenerThread *thread, i
     ret = HdfDevEventDispatchLocked(thread, adapter, &bwr);
 
 finish:
-    OsalMemFree((void*)bwr.readBuffer);
+    OsalMemFree((void*)(uintptr_t)bwr.readBuffer);
     OsalMutexUnlock(&thread->mutex);
     return ret;
 }
diff --git a/core/adapter/vnode/src/hdf_vnode_adapter.c b/core/adapter/vnode/src/hdf_vnode_adapter.c
index f1ddc1babbd5ecb86f3538bfa07f51822c27e64a..4694f1c5cef8b6865e67a962031d298f194f743e 100644
--- a/core/adapter/vnode/src/hdf_vnode_adapter.c
+++ b/core/adapter/vnode/src/hdf_vnode_adapter.c
@@ -228,7 +228,7 @@ static int HdfVNodeAdapterServCall(const struct HdfVNodeAdapterClient *client, u
     (void)HdfSbufWriteUint64(reply, (uintptr_t)&client->ioServiceClient);
     ret = client->adapter->ioService.dispatcher->Dispatch(client->adapter->ioService.target,
         bwr.cmdCode, data, reply);
-    if (bwr.readSize != 0 && HdfSbufCopyToUser(reply, (void*)bwr.readBuffer, bwr.readSize) != HDF_SUCCESS) {
+    if (bwr.readSize != 0 && HdfSbufCopyToUser(reply, (void*)(uintptr_t)bwr.readBuffer, bwr.readSize) != HDF_SUCCESS) {
         HdfSBufRecycle(data);
         HdfSBufRecycle(reply);
         return HDF_ERR_IO;
@@ -277,7 +277,7 @@ static int HdfVNodeAdapterReadDevEvent(struct HdfVNodeAdapterClient *client, uns
         bwr.readSize = eventSize;
         ret = HDF_DEV_ERR_NORANGE;
     } else {
-        if (HdfSbufCopyToUser(event->data, (void *)bwr.readBuffer, bwr.readSize) != HDF_SUCCESS) {
+        if (HdfSbufCopyToUser(event->data, (void *)(uintptr_t)bwr.readBuffer, bwr.readSize) != HDF_SUCCESS) {
             OsalMutexUnlock(&client->mutex);
             return HDF_ERR_IO;
         }