diff --git a/@sammo/gateway_server/src/connectDB.ts b/@sammo/gateway_server/src/connectDB.ts
index 499cbe2..2aaaa9b 100644
--- a/@sammo/gateway_server/src/connectDB.ts
+++ b/@sammo/gateway_server/src/connectDB.ts
@@ -1,5 +1,5 @@
 import './dotenv.js';
-import { connect, Mongoose } from "mongoose";
+import { connect,type Mongoose } from "mongoose";
 import { unwrap } from '@sammo/util';
 
 const dbConfig = {
diff --git a/@sammo/gateway_server/src/schema/LoginToken.ts b/@sammo/gateway_server/src/schema/LoginToken.ts
index 27c5e46..d389acb 100644
--- a/@sammo/gateway_server/src/schema/LoginToken.ts
+++ b/@sammo/gateway_server/src/schema/LoginToken.ts
@@ -1,5 +1,5 @@
 import { type UserIDType } from "./User.js";
-import { Mongoose, Schema, model } from "mongoose";
+import { type Mongoose, Schema, model } from "mongoose";
 
 export interface ILoginToken {
     userID: UserIDType;
diff --git a/@sammo/server/src/GameEngine.ts b/@sammo/server/src/GameEngine.ts
index a5cb0c2..25e1787 100644
--- a/@sammo/server/src/GameEngine.ts
+++ b/@sammo/server/src/GameEngine.ts
@@ -2,7 +2,8 @@ import { Signal, delay, must, must_err } from "@sammo/util";
 import Denque from "denque";
 import { ResourceController } from "./ResourceController.js";
 import { entriesWithType } from "@sammo/util/converter";
-
+import db from "./connectDB.js";
+import type { Mongoose } from "mongoose";
 export interface ActionRequest {
 
 }
@@ -44,9 +45,8 @@ export class GameEngine {
 
     private rsc: ResourceController
 
-    private constructor() {
-        //TODO MongoDB를 넘겨줘야함
-        this.rsc = new ResourceController();
+    private constructor(db: Mongoose) {
+        this.rsc = new ResourceController(db);
     }
 
     private continueRun = true;
@@ -177,7 +177,7 @@ export class GameEngine {
             throw new Error('GameEngine is already initialized');
         }
 
-        GameEngine.instance = new GameEngine();
+        GameEngine.instance = new GameEngine(await db);
         return GameEngine.instance;
     }
 
diff --git a/@sammo/server/src/ResourceController.ts b/@sammo/server/src/ResourceController.ts
index 244d929..280c21c 100644
--- a/@sammo/server/src/ResourceController.ts
+++ b/@sammo/server/src/ResourceController.ts
@@ -13,13 +13,15 @@ import type { Nation } from "@sammo/game_logic/src/Nation.js";
 import type { Troop } from "@sammo/game_logic/src/Troop.js";
 import { insertItemAtArrayLike, NotYetImplemented } from "@sammo/util";
 import Denque from "denque";
-
+import type { Mongoose } from "mongoose";
 
 type ChangeType = "insert" | "update" | "delete";
 
 //TODO: Implement!
 export class ResourceController implements IResourceController{
-    constructor() {
+    constructor(
+        private readonly db: Mongoose
+    ) {
 
     }
 
@@ -32,6 +34,7 @@ export class ResourceController implements IResourceController{
     private _generalByTurntime = new Denque<General>();
 
 
+
     private changes = {
         Nation: new Map<number, [ChangeType, Nation]>(),
         City: new Map<number, [ChangeType, City]>(),
diff --git a/@sammo/server/src/connectDB.ts b/@sammo/server/src/connectDB.ts
index 4f02492..00a931e 100644
--- a/@sammo/server/src/connectDB.ts
+++ b/@sammo/server/src/connectDB.ts
@@ -1,5 +1,5 @@
 import './dotenv.js';
-import { connect, Mongoose } from "mongoose";
+import { connect, type Mongoose } from "mongoose";
 import { unwrap } from '@sammo/util';
 
 const dbConfig = {