From ba9f551eb545fc5079c31da7e258b4266132d176 Mon Sep 17 00:00:00 2001
From: vany5921 <908744431@qq.com>
Date: Mon, 6 Jan 2020 17:35:05 +0800
Subject: [PATCH] Update gpio.md

---
 docs/zh_CN/api/gpio.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/docs/zh_CN/api/gpio.md b/docs/zh_CN/api/gpio.md
index 66634f09..6a89c2b9 100644
--- a/docs/zh_CN/api/gpio.md
+++ b/docs/zh_CN/api/gpio.md
@@ -20,10 +20,10 @@
 |    9 |  G9 |SDIO      |
 |   10 |  G10 |SDIO      |
 |   11 |  G11 |SDIO      |
-|   12 |  G12 |LCD      |
-|   13 |  G13 |LCD      |
+|   12 |  G12 |IIS_SCLK      |
+|   13 |  G13 |IIS_WS      |
 |   14 |  G14 |LCD      |
-|   15 |  G15 |LCD      |
+|   15 |  G15 |IIS_OUT      |
 |   16 |  R2 |UART      |
 |   17 |  T2 |UART     |
 |   18 |  G18 |TF,Top terminal(SCK),M5-BUS|
@@ -606,4 +606,4 @@ int.
 
 **函数返回值:**
 
-通道频率
\ No newline at end of file
+通道频率