From f35f8dace7061ffd8034f9b8e0d0665d08c8d614 Mon Sep 17 00:00:00 2001
From: mapingshuo <mps2012@yeah.net>
Date: Fri, 3 Jul 2020 14:47:07 +0800
Subject: [PATCH] test=develop,test=document (#3877)

---
 docs/index.rst | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/docs/index.rst b/docs/index.rst
index c241f091ed..b2fba7daba 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -59,7 +59,14 @@ Welcome to Paddle-Lite's documentation!
   demo_guides/baidu_xpu
   demo_guides/rockchip_npu
   demo_guides/mediatek_apu
-  
+
+.. toctree::
+  :maxdepth: 1
+  :caption: 训练示例（预览）
+  :name: sec-train_demo_guides
+
+  demo_guides/cpp_train_demo
+
 .. toctree::
   :maxdepth: 1
   :caption: API文档
-- 
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