diff --git a/src/pages/vimp-log-page.vue b/src/pages/vimp-log-page.vue
index e430502..25c1f1c 100644
--- a/src/pages/vimp-log-page.vue
+++ b/src/pages/vimp-log-page.vue
@@ -78,6 +78,16 @@ const resetSearchFields = () => {
   searchFields.stationCode = stationList.value.find((station) => station.online)?.code;
   searchFields.logType_in = [];
 };
+const getExtraFields = () => {
+  const logType_in = searchFields.logType_in.length > 0 ? [...searchFields.logType_in] : undefined;
+  const createdTime_precisest = searchFields.createdTime[0];
+  const createdTime_preciseed = searchFields.createdTime[1];
+  return {
+    logType_in,
+    createdTime_precisest,
+    createdTime_preciseed,
+  };
+};
 const onDateChange = (value: [number, number] | null) => {
   if (!value) {
     return;
@@ -157,11 +167,7 @@ const { mutate: getVimpLogList, isPending: isTableLoading } = useMutation({
     if (!searchFields.stationCode) throw Error('请选择车站');
     const res = await postNdmVimpLogPage(searchFields.stationCode, {
       model: {},
-      extra: {
-        createdTime_precisest: searchFields.createdTime[0],
-        createdTime_preciseed: searchFields.createdTime[1],
-        logType_in: searchFields.logType_in,
-      },
+      extra: getExtraFields(),
       current: tablePagination.page ?? 1,
       size: tablePagination.pageSize ?? 10,
       order: 'descending',
@@ -195,11 +201,7 @@ const { mutate: downloadTableData, isPending: isDownloading } = useMutation({
     if (!searchFields.stationCode) throw Error('请选择车站');
     const data = await ndmVimpLogDefaultExportByTemplate(searchFields.stationCode, {
       model: {},
-      extra: {
-        createdTime_precisest: searchFields.createdTime[0],
-        createdTime_preciseed: searchFields.createdTime[1],
-        logType_in: searchFields.logType_in,
-      },
+      extra: getExtraFields(),
       current: tablePagination.page ?? 1,
       size: tablePagination.pageSize ?? 10,
       order: 'descending',