diff --git a/rog/migrations/0032_alter_location_sub_loc_id.py b/rog/migrations/0032_alter_location_sub_loc_id.py
new file mode 100644
index 0000000..765fe3d
--- /dev/null
+++ b/rog/migrations/0032_alter_location_sub_loc_id.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.9 on 2022-09-07 09:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('rog', '0031_auto_20220831_2244'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='location',
+            name='sub_loc_id',
+            field=models.CharField(blank=True, max_length=2048, null=True, verbose_name='Sub location id'),
+        ),
+    ]
diff --git a/rog/models.py b/rog/models.py
index 1a116b3..7d0f919 100644
--- a/rog/models.py
+++ b/rog/models.py
@@ -232,7 +232,7 @@ class SystemSettings(models.Model):
 
 class Location(models.Model):
     location_id=models.IntegerField(_('Location id'), blank=True, null=True)
-    sub_loc_id=models.IntegerField(_('Sub location id'), blank=True, null=True)
+    sub_loc_id=models.CharField(_('Sub location id'), max_length=2048, blank=True, null=True)
     cp=models.FloatField(_('Check Point'), blank=False, null=True, default=0)
     location_name=models.CharField(_('Location Name'), max_length=2048, default="--- 場所をお願いします --")
     category=models.CharField(_('Category'), max_length=2048, blank=True, null=True)