将文件夹命名从拼音改为英文，整理了一些代码，将导入语句迁移到了头部

rank/migrations/0002_alter_dashoubiaoxian_dingdan.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.2.27 on 2026-05-12 02:25
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dingdan', '0026_fadanfenhonglilv_alter_fadan_shenqingren_shenfen_and_more'),
+        ('dengji', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='dashoubiaoxian',
+            name='dingdan',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='biaoxian', to='dingdan.dingdan', to_field='dingdan_id', verbose_name='关联订单'),
+        ),
+    ]