diff --git a/components/drivers/pci/pci.c b/components/drivers/pci/pci.c
index 67a5b5b57370..19c9994ca88e 100644
--- a/components/drivers/pci/pci.c
+++ b/components/drivers/pci/pci.c
@@ -717,7 +717,7 @@ rt_ubase_t rt_pci_get_addr(struct rt_pci_device *pdev, rt_ubase_t flags)
     for (int i = 0; i < RT_PCI_BAR_NR_MAX; i++)
     {
         if (pdev->resource[i].flags == flags)
-            return pdev->resource[i].base;
+            return (rt_ubase_t)rt_ioremap((void *)pdev->resource[i].base, pdev->resource[i].size);
     }
     return 0;
 }