diff --git a/include/backwardad.hpp b/include/backwardad.hpp
index 190527e..358ed01 100644
--- a/include/backwardad.hpp
+++ b/include/backwardad.hpp
@@ -1,7 +1,7 @@
 #pragma once
 #include <vector>
-#include "types/gradient.hpp"
-#include "gradient.hpp"
+#include "types/node.hpp"
+#include "node_ops.hpp"
 
 namespace backwardad {
 
diff --git a/include/dual.hpp b/include/dual_ops.hpp
similarity index 100%
rename from include/dual.hpp
rename to include/dual_ops.hpp
diff --git a/include/forwardad.hpp b/include/forwardad.hpp
index d084b57..34823cf 100644
--- a/include/forwardad.hpp
+++ b/include/forwardad.hpp
@@ -1,7 +1,7 @@
 /*前向自动微分的声明部分*/
 #pragma once
 #include <vector>
-#include "dual.hpp"
+#include "dual_ops.hpp"
 #include "types/common.hpp"
 
 namespace forwardad{
diff --git a/include/gradient.hpp b/include/node_ops.hpp
similarity index 99%
rename from include/gradient.hpp
rename to include/node_ops.hpp
index b588eeb..0486750 100644
--- a/include/gradient.hpp
+++ b/include/node_ops.hpp
@@ -1,5 +1,5 @@
 #pragma once
-#include "types/gradient.hpp"
+#include "types/node.hpp"
 
 namespace backwardad {
     inline Node operator+(const Node& a, const Node& b) {
diff --git a/include/types/gradient.hpp b/include/types/node.hpp
similarity index 100%
rename from include/types/gradient.hpp
rename to include/types/node.hpp