修复底层配置服务混乱的问题

electron/services/voiceTranscribeService.ts

@@ -1,9 +1,9 @@
+import { app } from 'electron'
 import { existsSync, mkdirSync, statSync, unlinkSync, createWriteStream, openSync, writeSync, closeSync } from 'fs'
 import { join } from 'path'
 import * as https from 'https'
 import * as http from 'http'
 import { ConfigService } from './config'
-import { getPathFallback } from './electronRuntime'
 
 // Sherpa-onnx 类型定义
 type OfflineRecognizer = any
@@ -91,7 +91,7 @@ export class VoiceTranscribeService {
   private resolveModelDir(): string {
     const configured = this.configService.get('whisperModelDir') as string | undefined
     if (configured) return configured
-    return join(getPathFallback('documents'), 'WeFlow', 'models', 'sensevoice')
+    return join(app.getPath('documents'), 'WeFlow', 'models', 'sensevoice')
   }
 
   private resolveModelPath(fileName: string): string {