diff --git a/apps/wpm/migrations/0029_mlog_count_break.py b/apps/wpm/migrations/0029_mlog_count_break.py
new file mode 100644
index 00000000..7d927603
--- /dev/null
+++ b/apps/wpm/migrations/0029_mlog_count_break.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2023-11-02 08:15
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0028_mlog_material_in'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='mlog',
+            name='count_break',
+            field=models.PositiveIntegerField(default=0, verbose_name='碎料数'),
+        ),
+    ]
diff --git a/apps/wpm/models.py b/apps/wpm/models.py
index d3f8a255..cb8357b1 100644
--- a/apps/wpm/models.py
+++ b/apps/wpm/models.py
@@ -109,6 +109,7 @@ class Mlog(CommonADModel):
 
     count_ok = models.PositiveIntegerField('合格数', default=0)
     count_notok = models.PositiveIntegerField('不合格数', default=0)
+    count_break = models.PositiveIntegerField('碎料数', default=0)
 
     count_n_zw = models.PositiveIntegerField('炸纹', default=0)
     count_n_tw = models.PositiveIntegerField('条纹', default=0)