diff --git a/apps/wpm/migrations/0049_auto_20240522_1447.py b/apps/wpm/migrations/0049_auto_20240522_1447.py
new file mode 100644
index 00000000..46fad5bb
--- /dev/null
+++ b/apps/wpm/migrations/0049_auto_20240522_1447.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.12 on 2024-05-22 06:47
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('wpm', '0048_alter_stlog_sflog'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='mlog',
+            name='count_n_zjd',
+            field=models.PositiveIntegerField(default=0, verbose_name='直径大'),
+        ),
+        migrations.AddField(
+            model_name='mlog',
+            name='count_n_zjx',
+            field=models.PositiveIntegerField(default=0, verbose_name='直径小'),
+        ),
+    ]
diff --git a/apps/wpm/models.py b/apps/wpm/models.py
index 0d888265..41901de7 100644
--- a/apps/wpm/models.py
+++ b/apps/wpm/models.py
@@ -150,6 +150,8 @@ class Mlog(CommonADModel):
     count_n_sc = models.PositiveIntegerField('色差', default=0)
     count_n_tydd = models.PositiveIntegerField('椭圆度大', default=0)
     count_n_sw = models.PositiveIntegerField('水雾', default=0)
+    count_n_zjx = models.PositiveIntegerField('直径小', default=0)
+    count_n_zjd = models.PositiveIntegerField('直径大', default=0)
     count_n_bhpcd = models.PositiveIntegerField('壁厚偏差大', default=0)
     count_n_xzp = models.PositiveIntegerField('箱中破', default=0)
     count_n_thhs = models.PositiveIntegerField('退火后碎', default=0)