fix doc (#68)

Liu-xiandong · web-flow · commit 336aa6398d35 · 2022-05-19T20:33:25.000+08:00
diff --git a/docs/source/examples/cylinder2d.rst b/docs/source/examples/cylinder2d.rst
@@ -1,5 +1,5 @@
 2D Unsteady Cylinder Flow with Continuous Method
-======================
+===============================================
 
 This guide introduces how to build a PINN model with continuous time method to simulate 2d unsteady flow passing over a cylinder with PaddleScience.
 
diff --git a/docs/source/examples/cylinder3d.rst b/docs/source/examples/cylinder3d.rst
@@ -1,5 +1,5 @@
-Flow around a Cylinder with Discrete Method
-======================
+3D Unsteady Cylinder Flow with Discrete Method
+==============================================
 
 This guide introduces to how to build a PINN model for simulating the flow around a cylinder in PaddleScience.
 
diff --git a/docs/source/index.rst b/docs/source/index.rst
@@ -67,7 +67,7 @@ The component organization is illustrated in the following figure.
 
    Lid Driven Cavity Flow  <examples/ldc2d>
    Darcy Flow in Porous Medium <examples/darcy>
-   Flow around a 3D Cylinder with Discrete Method <examples/cylinder3d>
+   3D Unsteady Cylinder Flow with Discrete Method <examples/cylinder3d>
    2D Unsteady Cylinder Flow with Continuous Method <examples/cylinder2d>
    Vortex induced Vibration <examples/viv>
 
diff --git a/examples/cylinder/3d_unsteady_discrete/optimize/README.md b/examples/cylinder/3d_unsteady_discrete/optimize/README.md
@@ -22,4 +22,5 @@ In terms of `scale`, due to the introduction of distributed technology, 100 mill
 |N1C8 | 200k | 1.6M | 0.99 | 
 |N2C16 | 200k | 3.2M | 0.96 | 
 |N4C32 | 200k | 6.4M | 0.93 | 
+
 Note that N1C8 stands for using 1 node and 8 GPUs. Others are the same.
diff --git a/examples/laplace/README.md b/examples/laplace/README.md
@@ -161,4 +161,5 @@ The scalability performance is as follows:
 |N1C8 | 5.8M * 4 |  0.9661 s | 
 |N2C16 | 5.8M * 8 |  0.9684 s | 
 |N4C32 | 5.8M * 16 |  0.9679 s | 
+
 Note that N1C8 stands for using 1 node and 8 GPUs. Others are the same.
