fix: reduce signup bonus to ten points

apps/billing/migrations/0009_signup_bonus_default_ten.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.2.15 on 2026-07-18 06:44
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('billing', '0008_alter_callrecord_operation_type_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='signupbonusgrant',
+            name='points_granted',
+            field=models.BigIntegerField(default=10, verbose_name='赠送点数'),
+        ),
+    ]

apps/billing/models.py

@@ -318,7 +318,7 @@ class SignupBonusGrant(models.Model):
         on_delete=models.PROTECT,
         related_name="signup_bonus_grant",
     )
-    points_granted = models.BigIntegerField("赠送点数", default=100)
+    points_granted = models.BigIntegerField("赠送点数", default=10)
     created_at = models.DateTimeField("创建时间", auto_now_add=True)
 
     class Meta:

apps/billing/services.py

@@ -352,7 +352,7 @@ def adjust_wallet_points(
 def grant_signup_bonus(
     *,
     user,
-    points: int = 100,
+    points: int = 10,
     reason: str = "new_user_registration",
 ) -> SignupBonusGrantResult:
     points = _validate_positive_points(points)

apps/billing/tests.py

@@ -501,18 +501,18 @@ class BillingServiceTests(TestCase):
         wallet = UserWallet.objects.get(user=user)
         self.assertTrue(first.granted)
         self.assertFalse(second.granted)
-        self.assertEqual(first.points_granted, 100)
+        self.assertEqual(first.points_granted, 10)
         self.assertEqual(second.points_granted, 0)
-        self.assertEqual(first.balance_after, 100)
-        self.assertEqual(second.balance_after, 100)
-        self.assertEqual(wallet.points_balance, 100)
+        self.assertEqual(first.balance_after, 10)
+        self.assertEqual(second.balance_after, 10)
+        self.assertEqual(wallet.points_balance, 10)
         self.assertEqual(SignupBonusGrant.objects.filter(user=user).count(), 1)
         ledger = PointsLedger.objects.get(
             user=user,
             change_type=PointsLedger.ChangeType.SIGNUP_BONUS,
         )
-        self.assertEqual(ledger.points_delta, 100)
-        self.assertEqual(ledger.balance_after, 100)
+        self.assertEqual(ledger.points_delta, 10)
+        self.assertEqual(ledger.balance_after, 10)
         self.assertEqual(ledger.reason, "new_user_registration")
 
     def test_grant_signup_bonus_adds_to_existing_wallet_balance(self):
@@ -528,8 +528,8 @@ class BillingServiceTests(TestCase):
 
         wallet = UserWallet.objects.get(user=user)
         self.assertTrue(result.granted)
-        self.assertEqual(wallet.points_balance, 130)
-        self.assertEqual(result.balance_after, 130)
+        self.assertEqual(wallet.points_balance, 40)
+        self.assertEqual(result.balance_after, 40)
 
     def test_create_recharge_order_marks_order_failed_when_gateway_fails(self):
         self.create_exchange_rate(points_per_unit="10.0000")
@@ -1061,7 +1061,7 @@ class ConcurrentSignupBonusTests(TransactionTestCase):
         self.assertEqual(sum(1 for granted, _balance in results if not granted), 1)
 
         wallet = UserWallet.objects.get(user=self.user)
-        self.assertEqual(wallet.points_balance, 100)
+        self.assertEqual(wallet.points_balance, 10)
         self.assertEqual(SignupBonusGrant.objects.filter(user=self.user).count(), 1)
         self.assertEqual(
             PointsLedger.objects.filter(