diff --git a/backend/src/main/java/com/designhub/entity/TaskItem.java b/backend/src/main/java/com/designhub/entity/TaskItem.java
index 9f33296..955c85a 100644
--- a/backend/src/main/java/com/designhub/entity/TaskItem.java
+++ b/backend/src/main/java/com/designhub/entity/TaskItem.java
@@ -81,6 +81,11 @@ public class TaskItem implements Serializable {
      */
     private String receiverName;
 
+    /**
+     * 抢单时间
+     */
+    private LocalDateTime claimTime;
+
     /**
      * 接单部门ID
      */
diff --git a/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java b/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
index 6947a22..667bf42 100644
--- a/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
+++ b/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
@@ -319,6 +319,7 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "receiver_name = #{receiverName}, " +
             "receiver_dept_id = #{receiverDeptId}, " +
             "status = 'in_progress', " +
+            "claim_time = NOW(), " +
             "deadline = CASE WHEN #{deadline} IS NOT NULL THEN #{deadline} ELSE deadline END, " +
             "update_time = NOW() " +
             "WHERE id = #{itemId} " +
@@ -337,6 +338,7 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
      */
     @Update("UPDATE task_item SET " +
             "status = 'in_progress', " +
+            "claim_time = NOW(), " +
             "deadline = CASE WHEN #{deadline} IS NOT NULL THEN #{deadline} ELSE deadline END, " +
             "update_time = NOW() " +
             "WHERE id = #{itemId} " +
diff --git a/backend/src/main/java/com/designhub/service/AnalyticsService.java b/backend/src/main/java/com/designhub/service/AnalyticsService.java
index 3c2a8d1..9d27f2d 100644
--- a/backend/src/main/java/com/designhub/service/AnalyticsService.java
+++ b/backend/src/main/java/com/designhub/service/AnalyticsService.java
@@ -1627,6 +1627,7 @@ public class AnalyticsService {
                             .taskNo(task.getTaskNo())
                             .taskTitle(task.getTitle())
                             .taskScore(taskScore)
+                            .claimTime(task.getActualStartTime())  // 主任务使用actualStartTime作为抢单时间
                             .deadline(task.getDeadline())
                             .actualEndTime(task.getActualEndTime())
                             .overdueHours(overdueHoursLong)
@@ -1684,6 +1685,7 @@ public class AnalyticsService {
                             .taskNo(task.getTaskNo())
                             .taskTitle(task.getTitle())
                             .taskScore(taskScore)
+                            .claimTime(task.getActualStartTime())  // 主任务使用actualStartTime作为抢单时间
                             .deadline(task.getDeadline())
                             .actualEndTime(null)  // 进行中任务没有完成时间
                             .overdueHours(overdueHoursLong)
@@ -1761,6 +1763,7 @@ public class AnalyticsService {
                                 .taskNo(taskNo)
                                 .taskTitle(taskTitle + " (" + taskNo + ")")
                                 .taskScore(itemScore)
+                                .claimTime(item.getClaimTime())  // 子任务使用claimTime
                                 .deadline(expectedDeadline)
                                 .actualEndTime(item.getCompleteTime())
                                 .overdueHours(overdueHoursLong)
@@ -1817,6 +1820,7 @@ public class AnalyticsService {
                                 .taskNo(taskNo)
                                 .taskTitle(taskTitle + " (" + taskNo + ")")
                                 .taskScore(itemScore)
+                                .claimTime(item.getClaimTime())  // 子任务使用claimTime
                                 .deadline(expectedDeadline)
                                 .actualEndTime(null)  // 进行中子任务没有完成时间
                                 .overdueHours(overdueHoursLong)
diff --git a/backend/src/main/java/com/designhub/vo/DeductionDetailVO.java b/backend/src/main/java/com/designhub/vo/DeductionDetailVO.java
index def1bb0..5723015 100644
--- a/backend/src/main/java/com/designhub/vo/DeductionDetailVO.java
+++ b/backend/src/main/java/com/designhub/vo/DeductionDetailVO.java
@@ -45,6 +45,7 @@ public class DeductionDetailVO {
         private String taskNo;
         private String taskTitle;
         private BigDecimal taskScore;
+        private LocalDateTime claimTime;      // 抢单时间
         private LocalDateTime deadline;
         private LocalDateTime actualEndTime;
         private Long overdueHours;
diff --git a/frontend/src/api/analytics.ts b/frontend/src/api/analytics.ts
index dffa7a9..986cb8a 100644
--- a/frontend/src/api/analytics.ts
+++ b/frontend/src/api/analytics.ts
@@ -362,6 +362,7 @@ export interface DelayDeductionItem {
   taskNo: string;
   taskTitle: string;
   taskScore: number;
+  claimTime: string;      // 抢单时间
   deadline: string;
   actualEndTime: string;
   overdueHours: number;
diff --git a/frontend/src/views/Analytics.vue b/frontend/src/views/Analytics.vue
index c2eb749..ece557b 100644
--- a/frontend/src/views/Analytics.vue
+++ b/frontend/src/views/Analytics.vue
@@ -624,7 +624,7 @@
                 <template v-else-if="column.key === 'overdueHours'">
                   <span>{{ record.overdueHours }} 小时</span>
                 </template>
-                <template v-else-if="column.key === 'deadline' || column.key === 'actualEndTime'">
+                <template v-else-if="column.key === 'claimTime' || column.key === 'deadline' || column.key === 'actualEndTime'">
                   {{ formatDateTime(record[column.key]) }}
                 </template>
               </template>
@@ -942,6 +942,7 @@ const delayDeductionColumns = [
   { title: '任务编号', dataIndex: 'taskNo', key: 'taskNo', width: 120 },
   { title: '任务名称', dataIndex: 'taskTitle', key: 'taskTitle', ellipsis: true },
   { title: '任务积分', dataIndex: 'taskScore', key: 'taskScore', width: 100, align: 'center' },
+  { title: '抢单时间', key: 'claimTime', width: 150 },
   { title: '截止时间', key: 'deadline', width: 150 },
   { title: '实际完成时间', key: 'actualEndTime', width: 150 },
   { title: '延误时长', key: 'overdueHours', width: 100, align: 'center' },