diff --git a/adminConfig.html b/adminConfig.html
index 6f3dfd1..9d60d9e 100644
--- a/adminConfig.html
+++ b/adminConfig.html
@@ -196,7 +196,7 @@
 <script type="module">
  import { getLandingListApi, addLandingApi } from './src/api/member.js';
 (function () {
-  const FILE_UPLOAD_URL = 'http://tjapi.hlquant.com/hljwgo/api/file/upload'; 
+  const FILE_UPLOAD_URL = 'https://tjapi.hlquant.com/hljwgo/api/file/upload'; 
   // 状态
   let tableData = [];
   let currentPage = 1;
@@ -236,7 +236,6 @@
   const popupPreviewContainer = document.getElementById('popupPreviewContainer');
   const loadingIndicator = document.getElementById('loadingIndicator');
   const noData = document.getElementById('noData');
-
   // 工具：显示消息（简单替代 ElMessage）
 function showMessage(text, type = 'success', duration = 3000) {
   let el = document.getElementById('msgBoxTop');
@@ -302,6 +301,13 @@ function showMessage(text, type = 'success', duration = 3000) {
     }
   }
 
+  // 更严格的判断（使用 Date）
+  function isDialogTimeRangeValid() {
+    if (!fldStart.value || !fldEnd.value) return true; // 有空值不强制
+    const s = new Date(fldStart.value);
+    const e = new Date(fldEnd.value);
+    return e >= s;
+  }
   function renderTable() {
     tableBody.innerHTML = '';
     if (!tableData || tableData.length === 0) {
@@ -330,7 +336,7 @@ function showMessage(text, type = 'success', duration = 3000) {
 
       const btnDetail = document.createElement('button'); btnDetail.className = 'btn'; btnDetail.textContent = '详情';
       btnDetail.addEventListener('click', () => {
-        window.location.href = `/adminDetail.html?id=${row.id}`;
+        window.location.href = `/parkActivity/adminDetail.html?id=${row.id}`;
       });
       tdOps.appendChild(btnDetail);
 
@@ -363,14 +369,6 @@ function showMessage(text, type = 'success', duration = 3000) {
     currentPage = 1;
     getLandingList();
   });
-  // gotoBtn.addEventListener('click', () => {
-  //   const v = parseInt(gotoInput.value, 10);
-  //   if (!isNaN(v) && v >= 1) {
-  //     currentPage = v;
-  //     getLandingList();
-  //   }
-  // });
-
   // 打开新增弹窗
   btnAdd.addEventListener('click', () => {
     openAddDialog();
@@ -443,6 +441,13 @@ function showMessage(text, type = 'success', duration = 3000) {
   inputLanding.addEventListener('change', (e) => {
     const f = e.target.files[0];
     if (!f) return;
+    if (f.size > 2 * 1024 * 1024) {
+        showMessage('图片大小不能超过 2MB', 'error');
+      e.target.value = '';
+      if (typeof landingFile !== 'undefined') landingFile = null;
+      if (landingPreviewContainer) landingPreviewContainer.innerHTML = '';
+      return;
+    }
     const reader = new FileReader();
     reader.onload = function (ev) {
       const img = new Image();
@@ -469,6 +474,13 @@ function showMessage(text, type = 'success', duration = 3000) {
   inputPopup.addEventListener('change', (e) => {
     const f = e.target.files[0];
     if (!f) return;
+    if (f.size > 2 * 1024 * 1024) {
+        showMessage('图片大小不能超过 2MB', 'error');
+      e.target.value = '';
+      if (typeof popupFile !== 'undefined') popupFile = null;
+      if (popupPreviewContainer) popupPreviewContainer.innerHTML = '';
+      return;
+    }
     const reader = new FileReader();
     reader.onload = function (ev) {
       popupFile = f;
@@ -491,6 +503,10 @@ function showMessage(text, type = 'success', duration = 3000) {
     if (!introduction) { showMessage('请输入活动简介', 'error'); return; }
     if (!startTime) { showMessage('请选择开始时间', 'error'); return; }
     if (!endTime) { showMessage('请选择结束时间', 'error'); return; }
+     if (!isDialogTimeRangeValid()) {
+      showMessage('结束时间不能早于开始时间，请调整后保存', 'error');
+      return;
+    }
     // 如果既没有已上传的 url，也没有本地文件，则提示
     if (!landingUploadedUrl && !landingFile) { showMessage('请上传活动落地页', 'error'); return; }
     if (!popupUploadedUrl && !popupFile) { showMessage('请上传落地页弹窗', 'error'); return; }
diff --git a/adminDetail.html b/adminDetail.html
index fba9685..c78c8dd 100644
--- a/adminDetail.html
+++ b/adminDetail.html
@@ -231,7 +231,42 @@ function showMessage(text, type = 'success', duration = 3000) {
     const sp = new URLSearchParams(location.search);
     return sp.get(name);
   }
+    function syncEndMinWithStart() {
+    if (!filterStart || !filterEnd) return;
+    // set min attribute on end input so browser picker enforces it
+    if (filterStart.value) {
+      filterEnd.min = filterStart.value;
+    } else {
+      filterEnd.removeAttribute('min');
+    }
+  }
+  function isTimeRangeValid() {
+    if (!filterStart.value || !filterEnd.value) return true; // 空值不做强制（按需求可改）
+    // Compare strings directly is OK for datetime-local "YYYY-MM-DDTHH:MM" format
+    return filterEnd.value >= filterStart.value;
+  }
+// 绑定事件：开始时间变化时更新 end.min，并修正 end 小于 start 的情况
+  filterStart && filterStart.addEventListener('change', () => {
+    syncEndMinWithStart();
+    if (filterEnd.value && filterEnd.value < filterStart.value) {
+      // 把结束时间自动设为开始时间，提示用户
+      filterEnd.value = filterStart.value;
+      showMessage('结束时间已被调整为不早于开始时间', 'error');
+    }
+  });
 
+  // 绑定事件：结束时间变化时校验，如果不合法则阻止并提示（并回退到开始时间或清空）
+  filterEnd && filterEnd.addEventListener('change', () => {
+    if (!isTimeRangeValid()) {
+      showMessage('结束时间不能早于开始时间，请调整', 'error');
+      // 方案：把结束时间重置为开始时间（更直观），也可选择清空
+      if (filterStart.value) {
+        filterEnd.value = filterStart.value;
+      } else {
+        filterEnd.value = '';
+      }
+    }
+  });
   // 构建列表查询参数对象
   function buildQueryParams() {
     const id = parseQueryParam('id');
@@ -287,6 +322,7 @@ function showMessage(text, type = 'success', duration = 3000) {
     tableBody.innerHTML = '';
     if (!tableData || tableData.length === 0) {
       noData.style.display = 'block';
+      return
     } else {
       noData.style.display = 'none';
     }
diff --git a/index.html b/index.html
index b929060..d1a6be1 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <link rel="icon" href="/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0"/>
-    <title>新时代、新龙头、新节奏</title>
+    <title></title>
     <style>
       * {
         margin: 0;
@@ -122,11 +122,13 @@
           if (res.code == 200 && res.data) {
             return {
               landingImageUrl: res.data.list[0].landing_page, 
-              popupImageUrl: res.data.list[0].landing_page_popup 
+              popupImageUrl: res.data.list[0].landing_page_popup,
+              title:  res.data.list[0].name
             };
           } else {
-            console.warn('网络错误，请稍后重试');
-            return null;
+            return {
+              msg:res.msg
+            };
           }
         } catch (error) {
           console.error('网络错误，请稍后重试');
@@ -150,7 +152,26 @@
           // 确定最终落地图和是否展示弹窗
           let finalLandingUrl;
           let shouldShowPopup = false;
-
+          document.title = imagePaths.title?imagePaths.title:imagePaths.msg
+          if(imagePaths?.msg){
+             document.body.innerHTML = `
+                <div style="
+                  display:flex;
+                  align-items:center;
+                  justify-content:center;
+                  height:100vh;
+                  font-size:40px;
+                  color:#333;
+                  font-family:'PingFang SC', 'Microsoft Yahei', Arial, sans-serif;
+                  text-align:center;
+                  padding:20px;
+                  box-sizing:border-box;
+                ">
+                  ${imagePaths.msg}
+                </div>
+              `;
+            return
+          }
           if (imagePaths?.landingImageUrl) {
             finalLandingUrl = imagePaths.landingImageUrl;
             // if (!cachedImage || cachedImage.url !== finalLandingUrl) {