diff --git a/doc/fluid/build_and_install/paddleci.png b/doc/fluid/build_and_install/paddleci.png
new file mode 120000
index 0000000000000000000000000000000000000000..c3eb1457acc77cab9360e654240d1e8f548035b4
--- /dev/null
+++ b/doc/fluid/build_and_install/paddleci.png
@@ -0,0 +1 @@
+../../v2/build_and_install/paddleci.png
\ No newline at end of file
diff --git a/doc/fluid/design/motivation/refactorization.md b/doc/fluid/design/motivation/refactorization.md
index 4e1d660cef6369f04db8e1e83360f6af25259f96..1f7d06c40764ac6cb8b48d47f19320c6de7866c1 100644
--- a/doc/fluid/design/motivation/refactorization.md
+++ b/doc/fluid/design/motivation/refactorization.md
@@ -125,12 +125,12 @@ Compile Time -> IR -> Runtime
 
 ## Operator/OpWithKernel/OpKernel
 
-![class_diagram](http://api.paddlepaddle.org/graphviz?dot=https://gist.githubusercontent.com/reyoung/53df507f6749762675dff3e7ce53372f/raw/49caf1fb70820fb4a6c217634317c9306f361f36/op_op_with_kern_class_diagram.dot)
+![class_diagram](../../images/op_op_with_kern_class_diagram.dot)
 
 ---
 
 ## Operator
-![class_diagram](http://api.paddlepaddle.org/graphviz?dot=https://gist.githubusercontent.com/reyoung/53df507f6749762675dff3e7ce53372f/raw/dd598e8f1976f5759f58af5e5ef94738a6b2e661/op.dot)
+![class_diagram](../../images/op.dot)
 
 * `Operator` is the fundamental building block of the user interface.
     * Operator stores input/output variable names and attributes.
@@ -141,7 +141,7 @@ Compile Time -> IR -> Runtime
 
 ## OpWithKernel/Kernel
 
-![class_diagram](http://api.paddlepaddle.org/graphviz?dot=https://gist.githubusercontent.com/reyoung/53df507f6749762675dff3e7ce53372f/raw/9d7f4eba185cf41c8e2fbfb40ae21890dbddcd39/op_with_kernel.dot)
+![class_diagram](../../images/op_with_kernel.dot)
 
 * `OpWithKernel` inherits `Operator`.
 * `OpWithKernel` contains a Kernel map.
diff --git a/doc/fluid/images/op.dot b/doc/fluid/images/op.dot
new file mode 100644
index 0000000000000000000000000000000000000000..c8ad839cb88788e9b5906402257cc7bbc3ddcb54
--- /dev/null
+++ b/doc/fluid/images/op.dot
@@ -0,0 +1,4 @@
+digraph sample { 
+  graph [rankdir=TD]; node [shape=record];
+  op [label="{Operator| InferShape()=0\lRun()=0\l | map<string, string[]> inputs_\lmap<string, string[]> outputs_ \l AttributeMap attrs_\l}"]; 
+}
\ No newline at end of file
diff --git a/doc/fluid/images/op_op_with_kern_class_diagram.dot b/doc/fluid/images/op_op_with_kern_class_diagram.dot
new file mode 100644
index 0000000000000000000000000000000000000000..8f24e9ea83acf879c7008f2d97113c0a4cc111c3
--- /dev/null
+++ b/doc/fluid/images/op_op_with_kern_class_diagram.dot
@@ -0,0 +1,38 @@
+digraph sample { 
+  graph [rankdir=TD]; node [shape=record];
+  op [label="{Operator| InferShape()=0\lRun()=0\l | map<string, string[]> inputs_\lmap<string, string[]> outputs_ \l AttributeMap attrs_\l}"]; 
+  op_with_kern [label="{OpWithKernel | InferShape()=0\lRun()\l | map<OpKernelKey,OpKernel>kernels_ }"]
+  op_kernel [label="{OpKernel | Compute()=0}"]
+  op_kernel_key [label="{OpKernelKey| Place place\n...}"]
+
+  op -> op_with_kern [dir=back, arrowtail=onormal]
+  op_with_kern -> op_kernel [arrowhead=vee, label="contains many"]
+
+  {
+    rank=same;
+    op_with_kern
+    op_kernel
+  }
+
+  op_kernel -> op_kernel_key [style=invis]
+
+  {
+    rank=same;
+    op_kernel
+    op_kernel_key
+  }
+
+  op_with_kern -> op_kernel_key [arrowhead=vee, label ="\nas map key"]
+
+  mul_op [label="MulOp"]
+  op_with_kern -> mul_op [dir=back, arrowtail=onormal]
+  mul_kernel [label="template <typename Place>\lclass MulOpKernel\l"]
+  op_kernel -> mul_kernel [dir=back, arrowtail=onormal]
+  mul_op -> mul_kernel [arrowhead=vee, label="register many"]
+  
+  {
+    rank=same;
+    mul_op;
+    mul_kernel;
+  }
+}
\ No newline at end of file
diff --git a/doc/fluid/images/op_with_kernel.dot b/doc/fluid/images/op_with_kernel.dot
new file mode 100644
index 0000000000000000000000000000000000000000..4f5af4f7b5f5a69693a058c99eb658900136077a
--- /dev/null
+++ b/doc/fluid/images/op_with_kernel.dot
@@ -0,0 +1,26 @@
+digraph sample { 
+  graph [rankdir=TD]; node [shape=record];
+  op [label="{Operator}"]; 
+  op_with_kern [label="{OpWithKernel | InferShape()=0\lRun()\l | map<OpKernelKey,OpKernel>kernels_ }"]
+  op_kernel [label="{OpKernel | Compute()=0}"]
+  op_kernel_key [label="{OpKernelKey| Place place\n...}"]
+
+  op -> op_with_kern [dir=back, arrowtail=onormal]
+  op_with_kern -> op_kernel [arrowhead=vee, label="contains many"]
+
+  {
+    rank=same;
+    op_with_kern
+    op_kernel
+  }
+
+  op_kernel -> op_kernel_key [style=invis]
+
+  {
+    rank=same;
+    op_kernel
+    op_kernel_key
+  }
+
+  op_with_kern -> op_kernel_key [arrowhead=vee, label ="\nas map key"]
+}
\ No newline at end of file