diff --git a/src/lang/en.ts b/src/lang/en.ts
index d6987bf..7458dd8 100644
--- a/src/lang/en.ts
+++ b/src/lang/en.ts
@@ -271,6 +271,7 @@ export default {
     range: 'Set the download range',
     startIndex:'start ID',
     endIndex:'end ID',
-    download: 'Download'
+    download: 'Download',
+    limit:'Maximum 10 entries can be downloaded at once'
   }
 }
diff --git a/src/lang/zh-cn.ts b/src/lang/zh-cn.ts
index edb84f0..f0e5a80 100644
--- a/src/lang/zh-cn.ts
+++ b/src/lang/zh-cn.ts
@@ -260,6 +260,7 @@ export default {
     range: '设定下载区间',
     startIndex: '起始序号',
     endIndex: '结束序号',
-    download: '下载'
+    download: '下载',
+    limit:'一次最多下载10条数据'
   }
 }
diff --git a/src/utils/request.ts b/src/utils/request.ts
index 753e187..0e00cdd 100644
--- a/src/utils/request.ts
+++ b/src/utils/request.ts
@@ -5,7 +5,7 @@ import router from '@/router/index'
 import { getCookie, clonAllCookie } from '@/utils/cookie'
 // import cookie from '@/tools/cookie.js'
 
-axios.defaults.timeout = 60000 //响应时间
+axios.defaults.timeout = 600000 //响应时间
 // axios.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded;charset=UTF-8';        //配置请求头
 axios.defaults.headers.post['Content-Type'] = 'application/json'
 
diff --git a/src/views/Preview/index.vue b/src/views/Preview/index.vue
index 2334fa9..2f253ee 100644
--- a/src/views/Preview/index.vue
+++ b/src/views/Preview/index.vue
@@ -28,8 +28,13 @@
             <input v-model.number="range.end" type="number" :placeholder="maxIndex" min="1" />
           </div>
         </div>
-
-        <button v-loading="fileDownloading" @click="handleDownload" :disabled="!isValid" class="download-btn">
+        <div class="tips">{{ $t('Preview.limit') }}</div>
+        <button
+          v-loading="fileDownloading"
+          @click="handleDownload"
+          :disabled="!isValid"
+          class="download-btn"
+        >
           <span class="btn-text">{{ $t('Preview.download') }}</span>
         </button>
 
@@ -42,7 +47,7 @@
 <script setup>
 import { ref, computed, onMounted } from 'vue'
 import { Https } from '@/utils/request'
-import { debounce } from 'lodash-es'
+import { debounce, subtract } from 'lodash-es'
 
 // 模拟已提交人数
 const submittedCount = ref(0)
@@ -63,8 +68,15 @@ const handleFetchSubmittedCount = async () => {
 // 逻辑判断：区间是否合法
 const isValid = computed(() => {
   const { start, end } = range.value
-  // 必须是数字，且起始>0，结束>=起始，结束不超过当前总数
-  return start !== null && end !== null && start > 0 && end >= start && end <= maxIndex.value
+  // 必须是数字，且起始>0，结束>=起始，结束不超过当前总数，相差不超过10
+  return (
+    start !== null &&
+    end !== null &&
+    start > 0 &&
+    end >= start &&
+    end <= maxIndex.value &&
+    subtract(end, start) <= 10
+  )
 })
 
 // 错误提示文案
@@ -73,6 +85,7 @@ const errorMsg = computed(() => {
   if (start === null || end === null) return ''
   if (start < 10000) return '起始序号必须大于 10000'
   if (end < start) return '结束序号不能小于起始序号'
+  if (subtract(end, start) > 10) return '起始序号和结束序号相差不能超过10'
   if (end > maxIndex.value) return `结束序号不能超过最大值 ${maxIndex.value}`
   return ''
 })
@@ -229,7 +242,7 @@ onMounted(() => {
 .input-group {
   display: flex;
   gap: 1.6rem;
-  margin-bottom: 2.4rem;
+  margin-bottom: 1.2rem;
 }
 
 .field {
@@ -261,7 +274,11 @@ onMounted(() => {
   border-color: #6c5ce7;
   box-shadow: 0 0 0 4px rgba(108, 92, 231, 0.1);
 }
-
+.tips{
+  text-align: center;
+  margin-bottom: 1.2rem;
+  font-size: 1.4rem;
+}
 /* 按钮逻辑 */
 .download-btn {
   width: 100%;