diff --git a/backend/cmd/server/app b/backend/cmd/server/app
new file mode 100644
index 0000000..f01fa97
Binary files /dev/null and b/backend/cmd/server/app differ
diff --git a/frontend/.env.production b/frontend/.env.production
new file mode 100644
index 0000000..4e2b8d7
--- /dev/null
+++ b/frontend/.env.production
@@ -0,0 +1 @@
+VITE_API_BASE = /api
\ No newline at end of file
diff --git a/frontend/src/api/http.ts b/frontend/src/api/http.ts
index faa069d..47c9a73 100644
--- a/frontend/src/api/http.ts
+++ b/frontend/src/api/http.ts
@@ -1,7 +1,7 @@
 import { useAuthStore } from '@/stores/auth'
 import axios, { AxiosError, type AxiosInstance, type InternalAxiosRequestConfig } from 'axios'
 
-const apiBase = import.meta.env.DEV ? '' : (import.meta.env.VITE_API_BASE || 'http://localhost:8080')
+const apiBase = import.meta.env.DEV ? 'http://localhost:8080' : ''
 
 export const http: AxiosInstance = axios.create({
   baseURL: apiBase,
diff --git a/frontend/src/views/import/ImportView.vue b/frontend/src/views/import/ImportView.vue
index f197677..19020f9 100644
--- a/frontend/src/views/import/ImportView.vue
+++ b/frontend/src/views/import/ImportView.vue
@@ -1,5 +1,4 @@
 <script setup lang="ts">
-import { onMounted, ref } from 'vue'
 import {
   apiDownloadOrdersTemplate,
   apiImportJobErrors,
@@ -9,6 +8,7 @@ import {
   apiImportOrdersPreview,
   type ImportJob,
 } from '@/api/importer'
+import { onMounted, ref } from 'vue'
 
 const file = ref<File | null>(null)
 const preview = ref<any[]>([])
@@ -127,7 +127,7 @@ onMounted(loadJobs)
           <div class="text-sm font-medium">Excel 导入</div>
           <input type="file" accept=".xlsx" @change="pick" class="text-sm text-slate-300" />
           <div class="flex gap-2">
-            <button class="rounded bg-indigo-600 px-3 py-2 text-sm hover:bg-indigo-500 disabled:opacity-60" :disabled="!file || loading" @click="doPreview">
+            <button class="rounded bg-indigo-600 px-3 py-2 text-sm hover:bg-indigo-500 disabled:opacity-60" :disabled="loading" @click="doPreview">
               预览
             </button>
             <button class="rounded bg-emerald-600 px-3 py-2 text-sm hover:bg-emerald-500 disabled:opacity-60" :disabled="!file || loading" @click="doCommit">