diff --git a/api.py b/api.py
index 376b0bcf..0070a160 100644
--- a/api.py
+++ b/api.py
@@ -35,7 +35,7 @@
 parser.add_argument("-dt", "--default_refer_text", type=str, default="", help="默认参考音频文本")
 parser.add_argument("-dl", "--default_refer_language", type=str, default="", help="默认参考音频语种")
 
-parser.add_argument("-d", "--device", type=str, default=g_config.infer_device, help="cuda / cpu")
+parser.add_argument("-d", "--device", type=str, default=g_config.infer_device, help="cuda / cpu / mps")
 parser.add_argument("-p", "--port", type=int, default=g_config.api_port, help="default: 9880")
 parser.add_argument("-a", "--bind_addr", type=str, default="127.0.0.1", help="default: 127.0.0.1")
 parser.add_argument("-fp", "--full_precision", action="store_true", default=False, help="覆盖config.is_half为False, 使用全精度")
@@ -290,6 +290,7 @@ def handle(command, refer_wav_path, prompt_text, prompt_language, text, text_lan
     wav.seek(0)
 
     torch.cuda.empty_cache()
+    torch.mps.empty_cache()
     return StreamingResponse(wav, media_type="audio/wav")