设备覆盖区字段非必填

apps/third/migrations/0002_alter_tdevice_areas.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.12 on 2022-08-25 09:34
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('am', '0002_initial'),
+        ('third', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='tdevice',
+            name='areas',
+            field=models.ManyToManyField(blank=True, related_name='tareas', to='am.Area', verbose_name='覆盖区'),
+        ),
+    ]

apps/third/models.py

@@ -38,7 +38,7 @@ class TDevice(BaseModel):
     area = models.ForeignKey(Area, on_delete=models.SET_NULL,
                              verbose_name='所在区', null=True, blank=True)
     areas = models.ManyToManyField(Area, verbose_name='覆盖区',
-                                   related_name='tareas')
+                                   related_name='tareas', blank=True)
     obj_cate = models.CharField('绑定对象', max_length=20, help_text='people/...', null=True, blank=True)
     employee = models.OneToOneField(Employee, verbose_name='当前绑定人员', on_delete=models.SET_NULL,
                                     null=True, blank=True)