diff --git a/components/drivers/src/ringblk_buf.c b/components/drivers/src/ringblk_buf.c
index 86e812cd4cab1080e9762f1b4b82137ef05efcd2..7d83149c5ebe5ff45e2d0dea9d6d5c0c8b76f1d2 100644
--- a/components/drivers/src/ringblk_buf.c
+++ b/components/drivers/src/ringblk_buf.c
@@ -95,9 +95,9 @@ void rt_rbb_destroy(rt_rbb_t rbb)
 {
     RT_ASSERT(rbb);
 
-    rt_free(rbb);
     rt_free(rbb->buf);
     rt_free(rbb->blk_set);
+    rt_free(rbb);
 
 }
 RTM_EXPORT(rt_rbb_destroy);