优化发布群配置与二维码池界面

backend/migrations/000010_listing_group_welcome_config.sql

@@ -0,0 +1,20 @@
+-- +goose Up
+-- +goose StatementBegin
+
+INSERT INTO system_configs (`key`, `value`, description) VALUES
+  ('chat.listing_group_welcome', '欢迎加入账号群！请号主扫描下方二维码加入企业微信群，方便客服与您及时联系。', '发布群创建后自动发送的欢迎语')
+ON DUPLICATE KEY UPDATE
+  `value` = CASE
+    WHEN `value` LIKE '%å%' OR `value` LIKE '%æ%' OR `value` LIKE '%ç%' OR `value` LIKE '%ä%' OR `value` LIKE '%ï¼%' THEN VALUES(`value`)
+    ELSE `value`
+  END,
+  description = VALUES(description);
+
+-- +goose StatementEnd
+
+-- +goose Down
+-- +goose StatementBegin
+
+DELETE FROM system_configs WHERE `key` = 'chat.listing_group_welcome';
+
+-- +goose StatementEnd