diff --git a/src/api/oa/erp/contractOrder/types.ts b/src/api/oa/erp/contractOrder/types.ts
new file mode 100644
index 0000000..a7e1add
--- /dev/null
+++ b/src/api/oa/erp/contractOrder/types.ts
@@ -0,0 +1,12 @@
+export interface ContractOrderPurchaseMaterialVO {
+  contractMaterialId: string | number;
+  contractId: string | number;
+  materialCode?: string;
+  materialName?: string;
+  saleMaterialName?: string;
+  specificationDescription?: string;
+  unitName?: string;
+  contractAmount?: number;
+  purchasedAmount?: number;
+  unpurchasedAmount?: number;
+}