diff --git a/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java b/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
index 1c2edcc..4ff4494 100644
--- a/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
+++ b/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
@@ -44,7 +44,7 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "LEFT JOIN brand b ON t.brand_id = b.id " +
             "LEFT JOIN category c ON t.category_id = c.id " +
             "LEFT JOIN platform p ON t.platform_id = p.id " +
-            "LEFT JOIN demand_type dt ON ti.task_type_id = dt.id " +
+            "LEFT JOIN task_type dt ON ti.task_type_id = dt.id " +
             "WHERE ti.status = 'pending' AND ti.is_locked = 0 AND t.deleted = 0 AND t.approval_status = 'approved' " +
             "<if test='taskTypeId != null'> AND ti.task_type_id = #{taskTypeId}</if> " +
             "<if test='keyword != null and keyword != \"\"'> " +
@@ -76,7 +76,7 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "LEFT JOIN brand b ON t.brand_id = b.id " +
             "LEFT JOIN category c ON t.category_id = c.id " +
             "LEFT JOIN platform p ON t.platform_id = p.id " +
-            "LEFT JOIN demand_type dt ON ti.task_type_id = dt.id " +
+            "LEFT JOIN task_type dt ON ti.task_type_id = dt.id " +
             "LEFT JOIN sys_user u ON t.publisher_id = u.id " +
             "WHERE ti.status = 'in_progress' " +
             "  AND t.deleted = 0 " +
@@ -104,7 +104,7 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "LEFT JOIN brand b ON t.brand_id = b.id " +
             "LEFT JOIN category c ON t.category_id = c.id " +
             "LEFT JOIN platform p ON t.platform_id = p.id " +
-            "LEFT JOIN demand_type dt ON ti.task_type_id = dt.id " +
+            "LEFT JOIN task_type dt ON ti.task_type_id = dt.id " +
             "LEFT JOIN sys_user u ON t.publisher_id = u.id " +
             "WHERE ti.status = 'completed' " +
             "  AND t.deleted = 0 " +
@@ -120,7 +120,7 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
     @Select("SELECT ti.*, " +
             "  dt.type_name AS taskTypeName " +
             "FROM task_item ti " +
-            "LEFT JOIN demand_type dt ON ti.task_type_id = dt.id " +
+            "LEFT JOIN task_type dt ON ti.task_type_id = dt.id " +
             "WHERE ti.task_id = #{taskId} " +
             "ORDER BY ti.sort_order ASC")
     List<TaskItem> selectByTaskId(@Param("taskId") Long taskId);