feat: 增加配置项"moduleResolution": "node"

backend/src/utils/AppError.d.ts

@@ -1,7 +0,0 @@
-export class AppError extends Error {
-  statusCode: number;
-  status: string;
-  isOperational: boolean;
-
-  constructor(message: string, statusCode: number);
-} 

backend/tsconfig.json

@@ -2,6 +2,7 @@
   "compilerOptions": {
     "target": "ES2020",
     "module": "commonjs",
+    "moduleResolution": "node",
     "outDir": "./dist",
     "rootDir": "./src",
     "strict": true,