fix(测试计划): 计划列表排序问题

--bug=1041266 --user=宋昌昌 【测试计划】跨页批量归档计划-计划顺序变了 https://www.tapd.cn/55049933/s/1521745

backend/services/test-plan/src/main/java/io/metersphere/plan/service/TestPlanManagementService.java

@@ -18,6 +18,7 @@ import io.metersphere.sdk.util.Translator;
 import io.metersphere.system.utils.PageUtils;
 import io.metersphere.system.utils.Pager;
 import jakarta.annotation.Resource;
+import org.apache.commons.collections4.MapUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -61,7 +62,7 @@ public class TestPlanManagementService {
      */
     public Pager<List<TestPlanResponse>> page(TestPlanTableRequest request) {
         Page<Object> page = PageHelper.startPage(request.getCurrent(), request.getPageSize(),
-                StringUtils.isNotBlank(request.getSortString()) ? request.getSortString() : "t.update_time desc");
+                MapUtils.isEmpty(request.getSort()) ? "t.num desc" : request.getSortString());
         return PageUtils.setPageInfo(page, this.getTableList(request));
     }
 

frontend/src/views/test-plan/testPlan/components/planTable.vue

@@ -429,6 +429,7 @@
     {
       title: 'testPlan.testPlanIndex.createTime',
       slotName: 'createTime',
+      dataIndex: 'createTime',
       showInTable: true,
       sortable: {
         sortDirections: ['ascend', 'descend'],