邀请 N天配置

initialize/migrate/database/02139_invite_gift_days.down.sql

@@ -0,0 +1,4 @@
+DELETE
+FROM `system`
+WHERE `category` = 'invite'
+  AND `key` = 'GiftDays';

initialize/migrate/database/02139_invite_gift_days.up.sql

@@ -0,0 +1,14 @@
+INSERT INTO `system` (`category`, `key`, `value`, `type`, `desc`, `created_at`, `updated_at`)
+SELECT 'invite',
+       'GiftDays',
+       '3',
+       'int',
+       'Invite gift days',
+       NOW(3),
+       NOW(3)
+WHERE NOT EXISTS (
+    SELECT 1
+    FROM `system`
+    WHERE `category` = 'invite'
+      AND `key` = 'GiftDays'
+);