diff --git a/frontend/src/views/TaskHall.vue b/frontend/src/views/TaskHall.vue
index eccb5bb..aeffac2 100644
--- a/frontend/src/views/TaskHall.vue
+++ b/frontend/src/views/TaskHall.vue
@@ -4051,6 +4051,10 @@ const handleRejectTwoLevelTask = async (task: Task) => {
         if (task.approvalStatus === 'pending_primary_approval') {
           await taskApi.rejectPrimaryTask(task.id!, rejectReason.trim())
           message.success('一级需求任务已驳回，任务已退回给发起人')
+        } else if (task.approvalStatus === 'pending_detail_completion' || task.currentApproverRole === 'detail_completer') {
+          // 待完善明细状态的任务驳回（退回给一级需求发起人）
+          await taskApi.rejectPrimaryTask(task.id!, rejectReason.trim())
+          message.success('任务已驳回，已退回给一级需求发起人')
         } else if (task.currentApproverRole === 'demand_leader') {
           // 需求部门负责人驳回（pending_demand_approval状态）
           await taskApi.rejectByDemandLeader(task.id!, rejectReason.trim())
@@ -5714,6 +5718,10 @@ const handleRejectTask = (task: Task) => {
         if (task.approvalStatus === 'pending_primary_approval') {
           await taskApi.rejectPrimaryTask(task.id!, reason)
           message.success('一级需求任务已驳回')
+        } else if (task.approvalStatus === 'pending_detail_completion' || task.currentApproverRole === 'detail_completer') {
+          // 待完善明细状态的任务驳回（退回给一级需求发起人）
+          await taskApi.rejectPrimaryTask(task.id!, reason)
+          message.success('任务已驳回，已退回给一级需求发起人')
         } else if (task.currentApproverRole === 'demand_leader') {
           // 需求部门负责人驳回（pending_demand_approval状态）
           await taskApi.rejectByDemandLeader(task.id!, reason)