diff --git a/easymap/normal_map.go b/easymap/normal.go
similarity index 100%
rename from easymap/normal_map.go
rename to easymap/normal.go
diff --git a/easymap/sync_normal.go b/easymap/sync_normal.go
new file mode 100644
index 0000000..6c1107d
--- /dev/null
+++ b/easymap/sync_normal.go
@@ -0,0 +1,8 @@
+// Package easymap...
+//
+// Description : 内置的sync.Map
+//
+// Author : go_developer@163.com<张德满>
+//
+// Date : 2021-02-24 2:08 下午
+package easymap
diff --git a/easymap/sync_segment.go b/easymap/sync_segment.go
new file mode 100644
index 0000000..43ef504
--- /dev/null
+++ b/easymap/sync_segment.go
@@ -0,0 +1,8 @@
+// Package easymap...
+//
+// Description : 内置sync.Map + segment
+//
+// Author : go_developer@163.com<张德满>
+//
+// Date : 2021-02-24 2:08 下午
+package easymap