diff --git a/src/views/oa/erp/finInvoiceInfo/edit.vue b/src/views/oa/erp/finInvoiceInfo/edit.vue
index c539f3b..7df509b 100644
--- a/src/views/oa/erp/finInvoiceInfo/edit.vue
+++ b/src/views/oa/erp/finInvoiceInfo/edit.vue
@@ -139,7 +139,14 @@
           <el-col :span="8">
             <el-form-item label="提前开票" prop="earlyFlag">
               <el-radio-group v-model="form.earlyFlag">
-                <el-radio v-for="dict in early_flag" :key="dict.value" :value="dict.value">{{ dict.label }}</el-radio>
+                <el-radio
+                  v-for="dict in early_flag"
+                  :key="dict.value"
+                  :value="dict.value"
+                  :disabled="isSpareInvoiceCategory && dict.value === EARLY_FLAG.YES"
+                >
+                  {{ dict.label }}
+                </el-radio>
               </el-radio-group>
             </el-form-item>
           </el-col>
@@ -399,6 +406,14 @@ const EARLY_FLAG = reactive({
   NO: '0' //否
 });
 
+/** 项目类型：1实施类 2备件类 */
+const INVOICE_CATEGORY = {
+  IMPLEMENTATION: '1',
+  SPARE: '2'
+};
+
+const isSpareInvoiceCategory = computed(() => form.value.invoiceCategory === INVOICE_CATEGORY.SPARE);
+
 const FLOW_STATUS = reactive({
   DRAFT: 'draft',
   WAITING: 'waiting'
@@ -501,6 +516,16 @@ const data = reactive<PageData<FinInvoiceInfoForm, FinInvoiceInfoQuery>>({
 
 const { form, rules } = toRefs(data);
 
+watch(
+  () => form.value.invoiceCategory,
+  (category) => {
+    if (category === INVOICE_CATEGORY.SPARE && form.value.earlyFlag === EARLY_FLAG.YES) {
+      form.value.earlyFlag = EARLY_FLAG.NO;
+      form.value.earlyReason = undefined;
+    }
+  }
+);
+
 // 附件ID字符串转换（用于FileUpload组件）
 const ossIdString = computed({
   get: () => {
@@ -1109,6 +1134,11 @@ const handleSave = async (status: string, mode: boolean) => {
     return;
   }
 
+  if (form.value.invoiceCategory === INVOICE_CATEGORY.SPARE && form.value.earlyFlag === EARLY_FLAG.YES) {
+    ElMessage.warning('备件类项目不能选择提前开票');
+    return;
+  }
+
   if (form.value.returnedRate != null && Number(form.value.returnedRate) > 100) {
     ElMessage.warning('累计回款比例不能超过100%');
     return;