微信小程序支付遇到问题，因为没有 WX_MCH_PRIVATE_KEY

server/dukang-api/src/integrations/wechat/wechat.api.provider.ts

@@ -7,6 +7,7 @@ import type { IWechatProvider, WechatCodeSession, WechatOAuthSession } from './w
 import { logWechatAuth, type WechatActorRef } from './wechat-log.util';
 import {
   decryptPayResource,
+  normalizePemEnv,
   verifyPaySignature,
   type WechatPayNotifyEnvelope,
 } from './wechat-pay.util';
@@ -27,10 +28,10 @@ export class WechatApiProvider implements IWechatProvider {
   private readonly miniAppSecret = (process.env.WX_MINI_APP_SECRET ?? this.appSecret).trim();
   private readonly mchId = process.env.WX_MCH_ID ?? '';
   private readonly mchSerialNo = process.env.WX_MCH_SERIAL_NO ?? '';
-  private readonly mchPrivateKey = (process.env.WX_MCH_PRIVATE_KEY ?? '').replace(/\\n/g, '\n');
+  private readonly mchPrivateKey = normalizePemEnv(process.env.WX_MCH_PRIVATE_KEY);
   private readonly apiV3Key = process.env.WX_API_V3_KEY ?? '';
   private readonly notifyUrl = process.env.WX_PAY_NOTIFY_URL ?? '';
-  private readonly platformCert = (process.env.WX_PLATFORM_CERT ?? '').replace(/\\n/g, '\n');
+  private readonly platformCert = normalizePemEnv(process.env.WX_PLATFORM_CERT);
 
   constructor(
     private readonly redis: RedisService,