diff --git a/Ubiquitous/XiZi_AIoT/services/lib/usyscall/usyscall.c b/Ubiquitous/XiZi_AIoT/services/lib/usyscall/usyscall.c
index 3e6d151ab..8ed5fbee6 100644
--- a/Ubiquitous/XiZi_AIoT/services/lib/usyscall/usyscall.c
+++ b/Ubiquitous/XiZi_AIoT/services/lib/usyscall/usyscall.c
@@ -154,7 +154,7 @@ int mmap_with_attr(uintptr_t vaddr, uintptr_t paddr, int len, uintptr_t attr)
         .type = SYS_MMAP_CUSTOMIZE,
         .attr = attr,
     };
-    return syscall(SYSCALL_MMAP, (intptr_t)vaddr, (intptr_t)paddr, (intptr_t)len, (intptr_t)&info);
+    return syscall(SYSCALL_MMAP, (intptr_t)&vaddr, (intptr_t)&paddr, (intptr_t)len, (intptr_t)&info);
 }
 
 int register_irq(int irq, int opcode)