diff --git a/src/controller/admin/export_task.js b/src/controller/admin/export_task.js
index be09d60..0ce0d66 100644
--- a/src/controller/admin/export_task.js
+++ b/src/controller/admin/export_task.js
@@ -69,18 +69,13 @@ module.exports = class extends Base {
       return this.fail('请选择要导出的附件类型');
     }
 
-    // 防重复：同一用户5分钟内不允许创建相同条件的任务
-    const fiveMinAgo = think.datetime(new Date(Date.now() - 5 * 60 * 1000));
-    const duplicate = await this.model('export_task').where({
-      create_by: this.adminUser?.id || 0,
-      file_types: JSON.stringify(file_types),
-      filter_params: JSON.stringify(filter_params || {}),
-      create_time: ['>', fiveMinAgo],
+    // 全局只允许一个打包中的任务
+    const processing = await this.model('export_task').where({
       is_deleted: 0,
       status: ['in', [0, 1]]
     }).find();
-    if (!think.isEmpty(duplicate)) {
-      return this.fail('您有相同条件的任务正在处理中，请勿重复提交');
+    if (!think.isEmpty(processing)) {
+      return this.json({ code: 1001, msg: '有任务正在打包中，请稍后再试' });
     }
 
     const model = this.model('export_task');
diff --git a/view/admin/patient_index.html b/view/admin/patient_index.html
index 2a59ba4..ff4f9ba 100644
--- a/view/admin/patient_index.html
+++ b/view/admin/patient_index.html
@@ -667,6 +667,15 @@ const app = createApp({
         if (res.code === 0) {
           exportFilesVisible.value = false;
           exportSuccessVisible.value = true;
+        } else if (res.code === 1001) {
+          exportFilesVisible.value = false;
+          ElementPlus.ElMessageBox.confirm(
+            res.msg || '有任务正在打包中，请稍后再试',
+            '提示',
+            { confirmButtonText: '去查看', cancelButtonText: '关闭', type: 'warning' }
+          ).then(function() {
+            goExportTask();
+          }).catch(function() {});
         } else {
           ElementPlus.ElMessage.error(res.msg || '创建任务失败');
         }