diff --git a/apps/wpm/migrations/0130_handover_clear_defect.py b/apps/wpm/migrations/0130_handover_clear_defect.py
new file mode 100644
index 00000000..f56f93ea
--- /dev/null
+++ b/apps/wpm/migrations/0130_handover_clear_defect.py
@@ -0,0 +1,16 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0129_mlogbdefect_is_inherited'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='handover',
+            name='clear_defect',
+            field=models.BooleanField(default=False, verbose_name='合批清除缺陷'),
+        ),
+    ]
diff --git a/apps/wpm/models.py b/apps/wpm/models.py
index abc604b6..1dcf1955 100644
--- a/apps/wpm/models.py
+++ b/apps/wpm/models.py
@@ -677,6 +677,7 @@ class Handover(CommonADModel):
     H_DIV = 20
     new_batch = models.TextField('新批次号', null=True, blank=True, db_index=True)
     new_wm = models.ForeignKey(WMaterial, on_delete=models.SET_NULL, null=True, blank=True)
+    clear_defect = models.BooleanField('合批清除缺陷', default=False)
     mtype = models.PositiveSmallIntegerField("合并类型", default=H_NORMAL, choices=
                                              [(H_NORMAL, '正常'), (H_DIV, '分批'), (H_MERGE, '合批')])
     type = models.PositiveSmallIntegerField('交接类型', choices=[
diff --git a/apps/wpm/serializers.py b/apps/wpm/serializers.py
index 5276ed24..0ff39357 100644
--- a/apps/wpm/serializers.py
+++ b/apps/wpm/serializers.py
@@ -1304,16 +1304,21 @@ class HandoverSerializer(CustomModelSerializer):
             elif deptOrmgroupId != current_mdept_id:
                 raise ParseError(f'第{ind+1}行-交接物料所属工段/车间不一致')
             if mtype == Handover.H_MERGE:
+                clear_defect = attrs.get('clear_defect', False)
+                if clear_defect and wm.state != WMaterial.WM_OK:
+                    raise ParseError(f'第{ind+1}行-清除缺陷合批仅支持合格品')
+                if clear_defect and new_wm is not None and new_wm.defect is not None:
+                    raise ParseError('清除缺陷合批的目标批次不能带缺陷')
                 if next_mat is None:
                     next_mat = wm.material
                     next_state = wm.state
-                    next_defect = wm.defect
+                    next_defect = None if clear_defect else wm.defect
                 else:
                     if next_mat != wm.material:
                         raise ParseError(f'第{ind+1}行-合并的物料不一致')
                     if next_state != wm.state:
                         raise ParseError(f'第{ind+1}行-合并的物料状态不一致')
-                    if next_defect != wm.defect:
+                    if not clear_defect and next_defect != wm.defect:
                         raise ParseError(f'第{ind+1}行-合并的物料缺陷不一致')
             if tracking == Material.MA_TRACKING_SINGLE:
                 handoverbw = item.get("handoverbw", [])
diff --git a/apps/wpm/services.py b/apps/wpm/services.py
index 91ddfe34..52901842 100644
--- a/apps/wpm/services.py
+++ b/apps/wpm/services.py
@@ -757,6 +757,8 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
     mids = []
     exclude_batchst_ids = []
     check_batch_exist = False
+    merge_target_defect = None
+    merge_clear_defect = False
     if mtype == Handover.H_MERGE:
         if new_batch:
             batches = [new_batch]
@@ -766,6 +768,12 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
             check_batch_exist = True
         target_b, _ = BatchSt.g_create(batch=new_batch, handover=handover, material_start=material, check_batch_exist=check_batch_exist)
         exclude_batchst_ids.append(target_b.id)
+        merge_clear_defect = bool(handover.clear_defect)
+        if merge_clear_defect:
+            merge_target_defect = None
+        else:
+            source_wm_ids = [hb[0] for hb in handoverb_list]
+            merge_target_defect = WMaterial.objects.filter(id__in=source_wm_ids).first().defect
     elif mtype == Handover.H_DIV:
         if handover.wm is None:
             raise ParseError('拆批请选择车间库存')
@@ -810,7 +818,10 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
             if handover.type == Handover.H_NORMAL:
                 if mtype == Handover.H_MERGE and handover.new_wm:
                     wm_to = WMaterial.objects.select_for_update().get(id=handover.new_wm.id)
-                    if wm_to.state != wm_from.state or wm_to.material != wm_from.material or wm_to.defect != wm_from.defect:
+                    defect_ok = wm_to.defect == wm_from.defect or (
+                        merge_clear_defect and wm_to.defect is None and wm_from.state == WMaterial.WM_OK
+                    )
+                    if wm_to.state != wm_from.state or wm_to.material != wm_from.material or not defect_ok:
                         raise ParseError("正常合并到的车间库存状态或物料异常")
                 else:
                     wm_to, _ = WMaterial.locked_get_or_create(
@@ -820,7 +831,7 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
                         belong_dept=recive_dept,
                         state=wm_from.state,
                         notok_sign=wm_from.notok_sign,
-                        defect=wm_from.defect,
+                        defect=merge_target_defect if mtype == Handover.H_MERGE else wm_from.defect,
                         defaults={
                             "batch_ofrom": wm_from.batch_ofrom,
                             "material_ofrom": wm_from.material_ofrom,
@@ -916,7 +927,7 @@ def handover_submit(handover:Handover, user: User, now: Union[datetime.datetime,
                         belong_dept=recive_dept,
                         state=wm_from.state,
                         notok_sign=wm_from.notok_sign,
-                        defect=wm_from.defect,
+                        defect=merge_target_defect if mtype == Handover.H_MERGE else wm_from.defect,
                         defaults={
                             "batch_ofrom": wm_from.batch_ofrom,
                             "material_ofrom": wm_from.material_ofrom,