diff --git a/backend/src/main/java/com/designhub/mapper/TaskMapper.java b/backend/src/main/java/com/designhub/mapper/TaskMapper.java
index 7767e3c..223103d 100644
--- a/backend/src/main/java/com/designhub/mapper/TaskMapper.java
+++ b/backend/src/main/java/com/designhub/mapper/TaskMapper.java
@@ -28,7 +28,9 @@ public interface TaskMapper extends BaseMapper<Task> {
             "  b.brand_name AS brand_name, " +
             "  c.category_name AS category_name, " +
             "  p.platform_name AS platform_name, " +
-            "  approver.real_name AS current_approver_name " +
+            "  approver.real_name AS current_approver_name, " +
+            "  primary_user.real_name AS primary_publisher_name, " +
+            "  primary_dept.dept_name AS primary_publisher_dept_name " +
             "FROM task t " +
             "LEFT JOIN sys_user u ON t.publisher_id = u.id " +
             "LEFT JOIN sys_dept d ON t.publisher_dept_id = d.id " +
@@ -36,6 +38,8 @@ public interface TaskMapper extends BaseMapper<Task> {
             "LEFT JOIN category c ON t.category_id = c.id " +
             "LEFT JOIN platform p ON t.platform_id = p.id " +
             "LEFT JOIN sys_user approver ON t.current_approver_id = approver.id " +
+            "LEFT JOIN sys_user primary_user ON t.primary_publisher_id = primary_user.id " +
+            "LEFT JOIN sys_dept primary_dept ON t.primary_publisher_dept_id = primary_dept.id " +
             "WHERE t.status = 'pending' AND t.approval_status = 'approved' AND t.deleted = 0 AND (t.is_pipeline = 0 OR t.is_pipeline IS NULL)" +
             "<if test='taskTypeId != null'> AND t.task_type_id = #{taskTypeId}</if>" +
             "<if test='demandTypeId != null'> AND t.demand_type_id = #{demandTypeId}</if>" +
@@ -87,7 +91,9 @@ public interface TaskMapper extends BaseMapper<Task> {
             "  b.brand_name AS brand_name, " +
             "  c.category_name AS category_name, " +
             "  p.platform_name AS platform_name, " +
-            "  approver.real_name AS current_approver_name " +
+            "  approver.real_name AS current_approver_name, " +
+            "  primary_user.real_name AS primary_publisher_name, " +
+            "  primary_dept.dept_name AS primary_publisher_dept_name " +
             "FROM task t " +
             "LEFT JOIN sys_user u ON t.publisher_id = u.id " +
             "LEFT JOIN sys_dept d ON t.publisher_dept_id = d.id " +
@@ -95,6 +101,8 @@ public interface TaskMapper extends BaseMapper<Task> {
             "LEFT JOIN category c ON t.category_id = c.id " +
             "LEFT JOIN platform p ON t.platform_id = p.id " +
             "LEFT JOIN sys_user approver ON t.current_approver_id = approver.id " +
+            "LEFT JOIN sys_user primary_user ON t.primary_publisher_id = primary_user.id " +
+            "LEFT JOIN sys_dept primary_dept ON t.primary_publisher_dept_id = primary_dept.id " +
             "WHERE t.status = 'pending' AND t.approval_status = 'approved' AND t.deleted = 0 AND (t.is_pipeline = 0 OR t.is_pipeline IS NULL)" +
             "<if test='allowedTaskTypeIds != null and allowedTaskTypeIds.size() > 0'>" +
             "  AND t.task_type_id IN " +
@@ -153,7 +161,9 @@ public interface TaskMapper extends BaseMapper<Task> {
             "       p.platform_name AS platformName, " +
             "       u.real_name AS publisherName, " +
             "       d.dept_name AS publisherDeptName, " +
-            "       approver.real_name AS currentApproverName " +
+            "       approver.real_name AS currentApproverName, " +
+            "       primary_user.real_name AS primaryPublisherName, " +
+            "       primary_dept.dept_name AS primaryPublisherDeptName " +
             "FROM task t " +
             "LEFT JOIN brand b ON t.brand_id = b.id " +
             "LEFT JOIN category c ON t.category_id = c.id " +
@@ -161,6 +171,8 @@ public interface TaskMapper extends BaseMapper<Task> {
             "LEFT JOIN sys_user u ON t.publisher_id = u.id " +
             "LEFT JOIN sys_dept d ON t.publisher_dept_id = d.id " +
             "LEFT JOIN sys_user approver ON t.current_approver_id = approver.id " +
+            "LEFT JOIN sys_user primary_user ON t.primary_publisher_id = primary_user.id " +
+            "LEFT JOIN sys_dept primary_dept ON t.primary_publisher_dept_id = primary_dept.id " +
             "WHERE t.publisher_id = #{userId} AND t.deleted = 0 " +
             "<if test='status != null'> AND t.status = #{status}</if> " +
             "ORDER BY t.create_time DESC" +
@@ -180,7 +192,9 @@ public interface TaskMapper extends BaseMapper<Task> {
             "       p.platform_name AS platformName, " +
             "       u.real_name AS publisherName, " +
             "       d.dept_name AS publisherDeptName, " +
-            "       approver.real_name AS currentApproverName " +
+            "       approver.real_name AS currentApproverName, " +
+            "       primary_user.real_name AS primaryPublisherName, " +
+            "       primary_dept.dept_name AS primaryPublisherDeptName " +
             "FROM task t " +
             "LEFT JOIN brand b ON t.brand_id = b.id " +
             "LEFT JOIN category c ON t.category_id = c.id " +
@@ -188,6 +202,8 @@ public interface TaskMapper extends BaseMapper<Task> {
             "LEFT JOIN sys_user u ON t.publisher_id = u.id " +
             "LEFT JOIN sys_dept d ON t.publisher_dept_id = d.id " +
             "LEFT JOIN sys_user approver ON t.current_approver_id = approver.id " +
+            "LEFT JOIN sys_user primary_user ON t.primary_publisher_id = primary_user.id " +
+            "LEFT JOIN sys_dept primary_dept ON t.primary_publisher_dept_id = primary_dept.id " +
             "WHERE (t.receiver_id = #{userId} OR t.detail_completer_id = #{userId}) AND t.deleted = 0 " +
             "<if test='status != null'> AND t.status = #{status}</if> " +
             "ORDER BY t.create_time DESC" +
diff --git a/backend/src/main/java/com/designhub/service/TaskService.java b/backend/src/main/java/com/designhub/service/TaskService.java
index fa93803..106762c 100644
--- a/backend/src/main/java/com/designhub/service/TaskService.java
+++ b/backend/src/main/java/com/designhub/service/TaskService.java
@@ -1405,6 +1405,22 @@ public class TaskService {
             }
         }
         
+        // 填充一级需求发起人信息
+        if (task.getPrimaryPublisherId() != null) {
+            User primaryPublisher = userService.getUserById(task.getPrimaryPublisherId());
+            if (primaryPublisher != null) {
+                task.setPrimaryPublisherName(primaryPublisher.getRealName() != null ? primaryPublisher.getRealName() : primaryPublisher.getUsername());
+            }
+        }
+        
+        // 填充一级需求发起人部门名称
+        if (task.getPrimaryPublisherDeptId() != null) {
+            Department primaryDept = departmentService.getDepartmentById(task.getPrimaryPublisherDeptId());
+            if (primaryDept != null) {
+                task.setPrimaryPublisherDeptName(primaryDept.getDeptName());
+            }
+        }
+        
         // 填充子任务统计信息
         fillSubTaskStats(task);
     }