diff --git a/web/main.js b/web/main.js
index c29068d..1342a47 100644
--- a/web/main.js
+++ b/web/main.js
@@ -201,10 +201,13 @@ const app = createApp({
         const startTime = new Date(state.exportForm.dateRange[0]);
         const oneYearLater = new Date(startTime);
         oneYearLater.setFullYear(startTime.getFullYear() + 1);
+        oneYearLater.setDate(oneYearLater.getDate() - 1); // 减去一天以确保不超过一年
         
         const oneYearEarlier = new Date(startTime);
         oneYearEarlier.setFullYear(startTime.getFullYear() - 1);
+        oneYearEarlier.setDate(oneYearEarlier.getDate() + 1); // 加上一天
         
+        // 结束时间不能早于开始时间一年前，也不能晚于开始时间一年后
         return date < oneYearEarlier || date > oneYearLater;
       }
       
@@ -213,10 +216,13 @@ const app = createApp({
         const endTime = new Date(state.exportForm.dateRange[1]);
         const oneYearLater = new Date(endTime);
         oneYearLater.setFullYear(endTime.getFullYear() + 1);
+        oneYearLater.setDate(oneYearLater.getDate() - 1); // 减去一天
         
         const oneYearEarlier = new Date(endTime);
         oneYearEarlier.setFullYear(endTime.getFullYear() - 1);
+        oneYearEarlier.setDate(oneYearEarlier.getDate() + 1); // 加上一天
         
+        // 开始时间不能晚于结束时间一年后，也不能早于结束时间一年前
         return date < oneYearEarlier || date > oneYearLater;
       }
       
@@ -978,13 +984,17 @@ const app = createApp({
     });
 
     // 时间范围变化时强制重新渲染日期选择器
-    Vue.watch(() => state.exportForm.dateRange, () => {
+    Vue.watch(() => state.exportForm.dateRange, (newVal) => {
       // 触发日期选择器重新计算禁用状态
-      if (exportFormRef.value) {
-        // 通过修改 key 强制组件重新渲染
+      if (exportFormRef.value && exportFormRef.value.$el) {
+        // 查找日期选择器元素并强制重新渲染
         const datePicker = exportFormRef.value.$el.querySelector('.el-date-editor');
         if (datePicker) {
-          datePicker.key = Date.now();
+          // 通过临时移除再添加来强制重新渲染
+          const parent = datePicker.parentElement;
+          const nextSibling = datePicker.nextSibling;
+          parent.removeChild(datePicker);
+          parent.insertBefore(datePicker, nextSibling);
         }
       }
     }, { deep: true });