feat: material添加img字段

apps/mtm/migrations/0061_material_img.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.12 on 2025-08-21 09:34
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('mtm', '0060_route_params_json'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='material',
+            name='img',
+            field=models.TextField(blank=True, null=True, verbose_name='图片'),
+        ),
+    ]

apps/mtm/models.py

@@ -108,6 +108,7 @@ class Material(CommonAModel):
     unit_price = models.DecimalField('单价', max_digits=14, decimal_places=2, null=True, blank=True)
     into_wm = models.BooleanField('是否进入车间库存', default=True)
     bin_number_main = models.CharField('主库位号', max_length=50, null=True, blank=True)
+    img = models.TextField('图片', null=True, blank=True)
 
     class Meta:
         verbose_name = '物料表'