diff --git a/backend/cmd/server/main.go b/backend/cmd/server/main.go
index a84b701..0b1e8d8 100644
--- a/backend/cmd/server/main.go
+++ b/backend/cmd/server/main.go
@@ -47,20 +47,36 @@ func main() {
 	defer sessionMgr.(*session.MemoryManager).Stop()
 
 	// 初始化 AI 服务
+	logger.Log.Infow("initializing AI services",
+		"stt.provider", cfg.AI.STT.Provider,
+		"stt.model", cfg.AI.STT.Model,
+		"llm.provider", cfg.AI.LLM.Provider,
+		"llm.model", cfg.AI.LLM.Model,
+		"tts.provider", cfg.AI.TTS.Provider,
+		"tts.model", cfg.AI.TTS.Model,
+		"tts.voice", cfg.AI.TTS.Voice,
+	)
+
 	var sttService stt.Service
 	switch strings.ToLower(cfg.AI.STT.Provider) {
 	case "mimo", "xiaomi":
 		sttService = stt.NewMiMoService(cfg.AI.STT.APIKey, cfg.AI.STT.Model, cfg.AI.STT.Endpoint, logger.Log)
+		logger.Log.Infow("STT service initialized", "provider", "mimo", "model", cfg.AI.STT.Model, "endpoint", cfg.AI.STT.Endpoint)
 	default:
 		sttService = stt.NewDeepgramService(cfg.AI.STT.APIKey, cfg.AI.STT.Model, cfg.AI.STT.Endpoint, logger.Log)
+		logger.Log.Infow("STT service initialized", "provider", "deepgram", "model", cfg.AI.STT.Model)
 	}
 	llmService := llm.NewOpenAIService(cfg.AI.LLM.APIKey, cfg.AI.LLM.Model, cfg.AI.LLM.Endpoint, cfg.AI.LLM.Timeout, logger.Log)
+	logger.Log.Infow("LLM service initialized", "provider", cfg.AI.LLM.Provider, "model", cfg.AI.LLM.Model, "endpoint", cfg.AI.LLM.Endpoint, "timeout", cfg.AI.LLM.Timeout)
+
 	var ttsService tts.Service
 	switch strings.ToLower(cfg.AI.TTS.Provider) {
 	case "mimo", "xiaomi":
 		ttsService = tts.NewMiMoService(cfg.AI.TTS.APIKey, cfg.AI.TTS.Model, cfg.AI.TTS.Voice, cfg.AI.TTS.Endpoint, cfg.AI.TTS.Timeout, logger.Log)
+		logger.Log.Infow("TTS service initialized", "provider", "mimo", "model", cfg.AI.TTS.Model, "voice", cfg.AI.TTS.Voice, "endpoint", cfg.AI.TTS.Endpoint)
 	default:
 		ttsService = tts.NewOpenAIService(cfg.AI.TTS.APIKey, cfg.AI.TTS.Model, cfg.AI.TTS.Voice, cfg.AI.TTS.Endpoint, cfg.AI.TTS.Speed, cfg.AI.TTS.Timeout, logger.Log)
+		logger.Log.Infow("TTS service initialized", "provider", "openai", "model", cfg.AI.TTS.Model, "voice", cfg.AI.TTS.Voice, "speed", cfg.AI.TTS.Speed)
 	}
 
 	// 初始化 Orchestrator