diff --git a/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java b/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
index 932fad5..0a215c0 100644
--- a/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
+++ b/backend/src/main/java/com/designhub/mapper/TaskItemMapper.java
@@ -186,7 +186,6 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
-            "      OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
@@ -251,7 +250,6 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
-            "      OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
@@ -315,7 +313,6 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
-            "      OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +
@@ -378,7 +375,6 @@ public interface TaskItemMapper extends BaseMapper<TaskItem> {
             "      OR ti.item_no LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR t.spu_info LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(t.remark, '') LIKE CONCAT('%', #{keyword}, '%') " +
-            "      OR COALESCE(t.description, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(t.product_barcodes, '') LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR u.real_name LIKE CONCAT('%', #{keyword}, '%') " +
             "      OR COALESCE(pp.real_name, '') LIKE CONCAT('%', #{keyword}, '%') " +