diff --git a/inc/hgl/type/KeyValue.h b/inc/hgl/type/KeyValue.h
new file mode 100644
index 0000000..54e24d4
--- /dev/null
+++ b/inc/hgl/type/KeyValue.h
@@ -0,0 +1,10 @@
+#pragma once
+
+namespace hgl
+{
+    template<typename K,typename V> struct KeyValue
+    {
+        K key;
+        V value;
+    };
+}//namespace hgl
diff --git a/inc/hgl/type/Map.h b/inc/hgl/type/Map.h
index 8a3b826..357b75b 100644
--- a/inc/hgl/type/Map.h
+++ b/inc/hgl/type/Map.h
@@ -1,17 +1,13 @@
 #pragma once
 
+#include<hgl/type/KeyValue.h>
 #include<hgl/type/List.h>
 #include<hgl/type/Pair.h>
 #include<hgl/type/Pool.h>
 #include<hgl/thread/RWLock.h>
+
 namespace hgl
 {
-    template<typename K,typename V> struct KeyValue
-    {
-        K key;
-        V value;
-    };
-
     /**
     * 索引数据模板
     */