diff --git a/service/llm_service.go b/service/llm_service.go
index e340bde..6b31dc3 100644
--- a/service/llm_service.go
+++ b/service/llm_service.go
@@ -617,10 +617,10 @@ func (s *LLMService) TrimAudioSilence(audioData string) (string, error) {
 	bytesPerSample := int(fmtChunk.BitsPerSample) / 8
 
 	// 优化后的静音检测参数
-	silenceThreshold := 0.005                                     // 降低静音阈值，更敏感地检测声音
+	silenceThreshold := 0.01                                      // 降低静音阈值，更敏感地检测声音
 	windowSize := int(float64(fmtChunk.SampleRate) * 0.05)        // 50ms滑动窗口
 	minSilenceDuration := int(float64(fmtChunk.SampleRate) * 0.1) // 100ms最小静音持续时间
-	bufferSamples := int(float64(fmtChunk.SampleRate) * 0.05)     // 减少缓冲区到50ms
+	bufferSamples := int(float64(fmtChunk.SampleRate) * 0.1)      // 减少缓冲区到50ms
 
 	// 计算RMS能量的辅助函数
 	calculateRMS := func(startSample, endSample int) float64 {