diff --git a/components/drivers/Kconfig b/components/drivers/Kconfig
index 53468e1f903eb732ff2c8581fa7aac7b191f3e67..8d8e0aa5967e9729f7b37c58480bca745188b56c 100755
--- a/components/drivers/Kconfig
+++ b/components/drivers/Kconfig
@@ -4,6 +4,12 @@ config RT_USING_DEVICE_IPC
     bool "Using device drivers IPC"
     default y
 
+if RT_USING_DEVICE_IPC
+    config RT_PIPE_BUFSZ
+        int "Set pipe buffer size"
+        default 512
+endif
+
 config RT_USING_SERIAL
     bool "Using serial device drivers"
     select RT_USING_DEVICE_IPC