修复用户需求排行榜：使用dataIndex显示真实姓名，与设计师绩效榜单保持一致

frontend/src/views/Analytics.vue

@@ -157,9 +157,6 @@
                         <template v-if="column.key === 'rank'">
                           <span class="rank-badge" :class="getRankClass(index + 1)">{{ index + 1 }}</span>
                         </template>
-                        <template v-else-if="column.key === 'realName'">
-                          <span>{{ record.realName || record.userName }}</span>
-                        </template>
                         <template v-else-if="column.key === 'completionRate'">
                           <a-progress 
                             :percent="Math.round(record.completionRate)" 
@@ -612,7 +609,7 @@ const efficiencyTableData = computed(() => [
 // 表格列定义
 const userColumns = [
   { title: '排名', key: 'rank', width: 80, align: 'center' },
-  { title: '用户名', key: 'realName', width: 120 },
+  { title: '用户名', dataIndex: 'realName', key: 'realName', width: 120 },
   { title: '部门', dataIndex: 'deptName', key: 'deptName' },
   { title: '发起数', dataIndex: 'totalDemands', key: 'totalDemands', sorter: (a: any, b: any) => a.totalDemands - b.totalDemands, align: 'center' },
   { title: '完成数', dataIndex: 'completedDemands', key: 'completedDemands', align: 'center' },