diff --git a/src/composables/file.ts b/src/composables/file.ts
index 5ff2611..94847c0 100644
--- a/src/composables/file.ts
+++ b/src/composables/file.ts
@@ -21,14 +21,22 @@ export function reset() {
   }))
 }
 
-export function addFive() {
-  files.value.push(
-    ...Array.from({ length: 5 }).map(() => ({
+export function add(len = 1) {
+  if (len == 1) {
+    files.value.push({
       in: "",
       out: "",
       error: false,
-    })),
-  )
+    })
+  } else {
+    files.value.push(
+      ...Array.from({ length: len }).map(() => ({
+        in: "",
+        out: "",
+        error: false,
+      })),
+    )
+  }
 }
 
 export function remove(index: number) {
diff --git a/src/desktop/File.vue b/src/desktop/File.vue
index d7cab43..c72dd89 100644
--- a/src/desktop/File.vue
+++ b/src/desktop/File.vue
@@ -1,6 +1,6 @@
 <script lang="ts" setup>
 import {
-  addFive,
+  add,
   download,
   files,
   onChange,
@@ -13,7 +13,8 @@ import {
   <n-flex vertical>
     <n-flex>
       <n-button @click="reset">清空</n-button>
-      <n-button @click="addFive">增加5个</n-button>
+      <n-button @click="add(1)">增加1个</n-button>
+      <n-button @click="add(5)">增加5个</n-button>
       <n-button @click="run">先运行</n-button>
       <n-button @click="download">再下载</n-button>
     </n-flex>