diff --git a/op_array/util.go b/op_array/util.go
new file mode 100644
index 0000000..5c7cf04
--- /dev/null
+++ b/op_array/util.go
@@ -0,0 +1,18 @@
+// Package op_array ...
+//
+// Description : op_array ...
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 2025-11-25 11:30
+package op_array
+
+// ToMap 数组转map
+func ToMap[Key comparable, Value any](dataList []Value, keyFormat func(item Value) Key) map[Key]Value {
+	res := make(map[Key]Value)
+	for _, item := range dataList {
+		key := keyFormat(item)
+		res[key] = item
+	}
+	return res
+}