diff --git a/app/migrations/0048_auto_20211129_0412.py b/app/migrations/0048_auto_20211129_0412.py
new file mode 100644
index 0000000..3af8484
--- /dev/null
+++ b/app/migrations/0048_auto_20211129_0412.py
@@ -0,0 +1,23 @@
+# Generated by Django 3.2.5 on 2021-11-29 04:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0047_alter_mountainrange_area'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='mountainrange',
+            name='range_name_map',
+            field=models.CharField(blank=True, max_length=128, null=True),
+        ),
+        migrations.AlterField(
+            model_name='rangeonlineinfo',
+            name='range_name',
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]