diff --git a/pt_site/migrations/0017_alter_site_tracker.py b/pt_site/migrations/0017_alter_site_tracker.py
new file mode 100644
index 0000000..885fefc
--- /dev/null
+++ b/pt_site/migrations/0017_alter_site_tracker.py
@@ -0,0 +1,22 @@
+# Generated by Django 4.1 on 2022-10-04 11:14
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("pt_site", "0016_site_tracker"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="site",
+            name="tracker",
+            field=models.CharField(
+                default="",
+                help_text="tracker网址关键字",
+                max_length=32,
+                verbose_name="tracker",
+            ),
+        ),
+    ]
diff --git a/pt_site/models.py b/pt_site/models.py
index d490b22..e5bf6bf 100644
--- a/pt_site/models.py
+++ b/pt_site/models.py
@@ -11,7 +11,7 @@ class Site(BaseEntity):
     url = models.URLField(verbose_name='站点网址', default='', help_text='请保留网址结尾的"/"', unique=True)
     name = models.CharField(max_length=32, verbose_name='站点名称')
     logo = models.URLField(verbose_name='站点logo', default='', help_text='站点logo图标')
-    tracker = models.URLField(verbose_name='tracker', default='', help_text='tracker网址关键字')
+    tracker = models.CharField(verbose_name='tracker', default='', help_text='tracker网址关键字', max_length=32)
     # 功能支持
     sign_in_support = models.BooleanField(verbose_name="签到支持", default=True)
     get_torrent_support = models.BooleanField(verbose_name="拉取首页种子", default=True)