diff --git a/game/container.go b/game/container.go
new file mode 100644
index 0000000..40f6390
--- /dev/null
+++ b/game/container.go
@@ -0,0 +1,5 @@
+package game
+
+// Container 容器
+type Container[T any] interface {
+}
diff --git a/game/item.go b/game/item.go
new file mode 100644
index 0000000..9e9dfe6
--- /dev/null
+++ b/game/item.go
@@ -0,0 +1,9 @@
+package game
+
+// Item 物品接口定义
+type Item[ID comparable] interface {
+	// GetID 获取物品id
+	GetID() ID
+	// GetCount 获取物品数量
+	GetCount() int
+}
diff --git a/utils/huge/int.go b/utils/huge/int.go
new file mode 100644
index 0000000..c61e83d
--- /dev/null
+++ b/utils/huge/int.go
@@ -0,0 +1,14 @@
+package huge
+
+import "math/big"
+
+type Int big.Int
+
+func NewInt[T uint | uint8 | uint16 | uint32 | uint64 | int | int8 | int16 | int32 | int64](x T, exp ...T) *Int {
+	num := int64(x)
+	i := big.NewInt(num)
+	for _, t := range exp {
+		i = i.Exp(i, big.NewInt(int64(t)), nil)
+	}
+	return (*Int)(i)
+}