diff --git a/apps/wpm/migrations/0095_alter_mlogbdefect_defect.py b/apps/wpm/migrations/0095_alter_mlogbdefect_defect.py
new file mode 100644
index 00000000..e3bd0a69
--- /dev/null
+++ b/apps/wpm/migrations/0095_alter_mlogbdefect_defect.py
@@ -0,0 +1,20 @@
+# Generated by Django 3.2.12 on 2025-03-07 00:47
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('qm', '0047_ftestwork_count_ok_full'),
+        ('wpm', '0094_auto_20250306_1414'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='mlogbdefect',
+            name='defect',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='qm.defect', verbose_name='缺陷'),
+        ),
+    ]
diff --git a/apps/wpm/models.py b/apps/wpm/models.py
index 01c814e2..79bc12e0 100644
--- a/apps/wpm/models.py
+++ b/apps/wpm/models.py
@@ -321,9 +321,7 @@ class Mlogb(BaseModel):
                               on_delete=models.CASCADE, related_name='mlogb_mtask', null=True, blank=True)
 
     wm_in = models.ForeignKey(WMaterial, verbose_name='投入物料所在库存', 
-    on_delete=models.SET_NULL, null=True, blank=True, related_name="mlogb_wm_in")
-    wm_to = models.ForeignKey(WMaterial, verbose_name='产出物料所在库存', 
-    on_delete=models.SET_NULL, null=True, blank=True, related_name="mlogb_wm_to")
+    on_delete=models.SET_NULL, null=True, blank=True)
     material_in = models.ForeignKey(
         Material, verbose_name='投入物料', on_delete=models.CASCADE, related_name='mlogb_material_in',
         null=True, blank=True)
@@ -410,7 +408,7 @@ class Mlogb(BaseModel):
 
 class MlogbDefect(BaseModel):
     mlogb = models.ForeignKey(Mlogb, verbose_name='生产记录', on_delete=models.CASCADE)
-    defect = models.ForeignKey("qm.Defect", verbose_name='缺陷', on_delete=models.CASCADE)
+    defect = models.ForeignKey("qm.Defect", verbose_name='缺陷', on_delete=models.CASCADE, null=True, blank=True)
     count_test = models.IntegerField("抽检数", null=True, blank=True)
     floor = models.IntegerField("层数", null=True, blank=True)
     count = models.PositiveIntegerField('数量', default=0)