diff --git a/prisma/migrations/20261014100000_utf8mb4_general_ci/migration.sql b/prisma/migrations/20261014100000_utf8mb4_general_ci/migration.sql
new file mode 100644
index 0000000..381494e
--- /dev/null
+++ b/prisma/migrations/20261014100000_utf8mb4_general_ci/migration.sql
@@ -0,0 +1,17 @@
+-- 统一业务表字符集/排序规则为 utf8mb4_general_ci（项目要求）
+ALTER TABLE `sys_audit_log` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_config` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_dict_item` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_dict_type` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_login_log` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_notice` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_notice_read` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_org` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_refresh_token` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_resource` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_role` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_role_org` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_role_resource` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_tenant` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_user` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;
+ALTER TABLE `sys_user_role` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;