diff --git a/doc/fluid/api/api_guides/index.rst b/doc/fluid/api/api_guides/index.rst
index 98c3d4ca63c9770d6a154378a01b0c67e6f0cc77..b8a8a958c71e7b4ef6d2220dac2ff34ffa7c2a27 100644
--- a/doc/fluid/api/api_guides/index.rst
+++ b/doc/fluid/api/api_guides/index.rst
@@ -7,4 +7,8 @@ API Guide
   :maxdepth: 1
   
   high_low_level_api.md
+  low_level/layers/index.rst
+  low_level/executor.rst
   low_level/inference.rst
+  low_level/metrics.rst
+  low_level/optimizer.rst
diff --git a/doc/fluid/api/api_guides/low_level/layers/index.rst b/doc/fluid/api/api_guides/low_level/layers/index.rst
index 3f664ae1eff169c12cfb7dc87a1095c4172d7ff9..8de1bbf4587bbe27ae5ba8431fccce4a54af4d31 100644
--- a/doc/fluid/api/api_guides/low_level/layers/index.rst
+++ b/doc/fluid/api/api_guides/low_level/layers/index.rst
@@ -4,4 +4,15 @@ fluid.layers
 
 ..  toctree::
     :maxdepth: 1
-    
\ No newline at end of file
+
+    activations.rst
+    control_flow.rst
+    conv.rst
+    data_in_out.rst
+    detection.rst
+    index_en.rst
+    loss_function.rst
+    math.rst
+    model_save_reader.rst
+    pooling.rst
+    sequence.rst