fix: some

src/views/finance/agent-recharge/index.vue

@@ -124,7 +124,7 @@
                 accept="image/*"
                 content-type="image/jpeg"
                 @uploading-change="voucherUploading = $event"
-                @change="createFormRef?.validateField('payment_voucher_key')"
+                @change="handleVoucherChange"
               />
             </ElFormItem>
             <ElFormItem
@@ -473,6 +473,7 @@
   const paymentMethodOptionsLoading = ref(false)
   const otherVoucherUploading = ref(false)
   const ocrLoading = ref(false)
+  const recognizedVoucherKey = ref('')
 
   // 搜索表单初始值
   const initialSearchState: AgentRechargeQueryParams = {
@@ -1177,6 +1178,21 @@
   // 已上传的支付凭证对象键（OCR 识别取第一个）
   const offlineVoucherKeys = computed(() => toVoucherKeyList(createForm.payment_voucher_key))
 
+  // 凭证变更：校验字段，并对首次上传自动识别一次（已有流水号则跳过）
+  const handleVoucherChange = (keys: string[] | string) => {
+    createFormRef.value?.validateField('payment_voucher_key')
+    const list = toVoucherKeyList(keys)
+    const firstKey = list[0] || ''
+    if (!firstKey) {
+      recognizedVoucherKey.value = ''
+      return
+    }
+    if (firstKey === recognizedVoucherKey.value) return
+    recognizedVoucherKey.value = firstKey
+    if (createForm.external_transaction_no?.trim()) return
+    void handleRecognizeVoucher()
+  }
+
   // 识别付款凭证中的交易流水号：只做预填，失败不阻断人工填写
   const handleRecognizeVoucher = async () => {
     if (ocrLoading.value) return