修复初始化环境变量

back/app.ts

@@ -1,10 +1,8 @@
 import 'reflect-metadata'; // We need this in order to use @Decorators
-
 import config from './config';
-
 import express from 'express';
-
 import Logger from './loaders/logger';
+import path from 'path';
 
 async function startServer() {
   const app = express();
@@ -29,4 +27,16 @@ async function startServer() {
   await require('./loaders/server').default({ server });
 }
 
+function initEnv() {
+  process.env.NODE_ENV = process.env.NODE_ENV || 'development';
+  // 声明QL_DIR环境变量
+  let qlHomePath = path.join(__dirname, '../../');
+  // 生产环境
+  if (qlHomePath.endsWith('/static/')) {
+    qlHomePath = path.join(qlHomePath, '../');
+  }
+  process.env.QL_DIR = qlHomePath;
+}
+
+initEnv();
 startServer();