修改接口

config/database.js

@@ -1,21 +1,25 @@
 const mysql = require('mysql2/promise')
 require('dotenv').config()
 
+function requireEnv(name, fallback) {
+  const value = process.env[name] || fallback
+  if (!value && !fallback) {
+    throw new Error(`Missing required environment variable: ${name}. Check .env file.`)
+  }
+  return value
+}
+
 const config = {
-  host: process.env.DB_HOST || '110.42.255.239',
-  port: parseInt(process.env.DB_PORT || '3306'),
-  user: process.env.DB_USER || 'admin',
-  password: process.env.DB_PASSWORD || 'Admin@123',
-  database: process.env.DB_NAME || 'miniprogram',
+  host: requireEnv('DB_HOST', 'localhost'),
+  port: parseInt(requireEnv('DB_PORT', '3306')),
+  user: requireEnv('DB_USER', 'root'),
+  password: requireEnv('DB_PASSWORD', ''),
+  database: requireEnv('DB_NAME', 'miniprogram'),
   waitForConnections: true,
   connectionLimit: 10,
   queueLimit: 0
 }
-/*
-# 登录服务器，找到 Koa 进程
-ssh ubuntu@110.42.255.239
-pm2 restart weixin  
-*/
+
 const pool = mysql.createPool(config)
 
 async function query(sql, params = []) {