diff --git a/src/views/purchase/purchasingrequisition/add.vue b/src/views/purchase/purchasingrequisition/add.vue
index 67756eb..0e30e36 100644
--- a/src/views/purchase/purchasingrequisition/add.vue
+++ b/src/views/purchase/purchasingrequisition/add.vue
@@ -194,7 +194,7 @@
 												:disabled="isPurchaseTypeDisabled"
 												style="width: 100%"
 											>
-												<el-option v-for="item in purchaseTypeDeptOptions" :key="item.value" :label="item.label" :value="item.value" />
+												<el-option v-for="item in purchaseTypeDeptOptions" :key="item.value" :label="item.label" :value="item.value" :disabled="item.disabled" />
 											</el-select>
 										</el-form-item>
 									</el-col>
@@ -1101,7 +1101,7 @@ const DEPT_PURCHASE_TYPE = {
 	BUSINESS_NEGOTIATION: '3',
 	ENTRUST_CENTER: '4',
 	INQUIRY: '5',
-	/** 公开招标（部门自行采购下委托采购中心采购时可选择） */
+	DIRECT_PURCHASE: '6',
 	OPEN_TENDERING: '100',
 } as const;
 
@@ -2183,12 +2183,16 @@ const getPurchaseTypeDeptDelegationDict = async () => {
 	}
 };
 
-/** 部门采购方式下拉选项：根据采购途径动态切换字典 */
+/** 部门采购方式下拉选项：根据采购途径动态切换字典，直接采购仅预算<2000时可选 */
 const purchaseTypeDeptOptions = computed(() => {
 	if (isEntrustCenterChannel.value) {
 		return purchaseTypeDeptDelegationList.value;
 	}
-	return purchaseTypeDeptList.value;
+	const budget = Number(dataForm.budget) || 0;
+	return purchaseTypeDeptList.value.map((item: any) => ({
+		...item,
+		disabled: item.value === DEPT_PURCHASE_TYPE.DIRECT_PURCHASE && budget >= 2000,
+	}));
 });
 
 // 获取学校采购形式字典