后台：添加跳转地址功能

gm-server/app/service/Game.ts

@@ -0,0 +1,22 @@
+import { Service } from 'egg';
+import { STATUS } from '@consts';
+import { GameModel } from '@db/Game';
+
+/**
+ * Test Service
+ */
+export default class Game extends Service {
+
+    /**
+     * 后台账号登录
+     */
+    public async getServerEnv() {
+        const { ctx, app } = this;
+        const list = await GameModel.getServerEnvList();
+
+        return ctx.service.utils.resResult(STATUS.SUCCESS, {
+            list,
+            env: app.config.env
+        });
+    }
+}