diff --git a/src/main/kotlin/cn/fadinglight/vo/BillVO.kt b/src/main/kotlin/cn/fadinglight/vo/BillVO.kt
new file mode 100644
index 0000000..c8b0347
--- /dev/null
+++ b/src/main/kotlin/cn/fadinglight/vo/BillVO.kt
@@ -0,0 +1,36 @@
+package cn.fadinglight.vo
+
+import cn.fadinglight.models.Bill
+import cn.fadinglight.models.BillType
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class BillVO(
+    val id: Int? = null,
+    val type: String,
+    val date: String,
+    val money: Float,
+    val cls: String,
+    val label: String,
+    val options: String = "",
+)
+
+fun BillVO.bill() = Bill(
+    id = id,
+    type = BillType.valueOf(type),
+    date = date,
+    money = money,
+    cls = cls,
+    label = label,
+    options = options,
+)
+
+fun Bill.vo() = BillVO(
+    id = id,
+    type = type.name,
+    date = date,
+    money = money,
+    cls = cls,
+    label = label,
+    options = options,
+)
\ No newline at end of file
diff --git a/src/main/kotlin/cn/fadinglight/vo/LabelVO.kt b/src/main/kotlin/cn/fadinglight/vo/LabelVO.kt
new file mode 100644
index 0000000..c0d93d7
--- /dev/null
+++ b/src/main/kotlin/cn/fadinglight/vo/LabelVO.kt
@@ -0,0 +1,33 @@
+package cn.fadinglight.vo
+
+import cn.fadinglight.models.Label
+import cn.fadinglight.models.LabelType
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class LabelVO(
+    val name: String,
+    val count: Int,
+    var labels: List<LabelVO>?,
+)
+
+@Serializable
+data class LabelGroup(
+    val consume: List<LabelVO>,
+    val income: List<LabelVO>,
+)
+
+
+fun LabelVO.label(type: LabelType) = Label(
+    id = null,
+    type = type,
+    name = name,
+    count = 0,
+    relativedId = null
+)
+
+fun Label.vo() = LabelVO(
+    name = name,
+    count = count,
+    labels = emptyList(),
+)