diff --git a/backend/app/services/minimax_service.py b/backend/app/services/minimax_service.py
index 4f83cd2..6d5f8e7 100644
--- a/backend/app/services/minimax_service.py
+++ b/backend/app/services/minimax_service.py
@@ -23,7 +23,7 @@ def synthesize_minimax(text, speed=1.0, pitch=0, volume=1.0, emotion='neutral'):
         'text': text,
         'stream': False,
         'voice_setting': {
-            'voice_id': 'lanhao_military_tech',
+            'voice_id': 'lanhao_military_v2',
             'speed': speed,
             'vol': volume_int,
             'pitch': pitch,