diff --git a/backend/config.py b/backend/config.py
index 0977bfe..bef89a1 100644
--- a/backend/config.py
+++ b/backend/config.py
@@ -14,7 +14,13 @@ VERSION = "1.1.1"
 # ×××××××××××××××××××× [不要改] start ××××××××××××××××××××
 logging.disable(logging.DEBUG)  # 关闭DEBUG日志的打印
 logging.disable(logging.WARNING)  # 关闭WARNING日志的打印
-device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
+try:
+    import torch_directml
+    device = torch_directml.device(torch_directml.default_device())
+    USE_DML = True
+except:
+    USE_DML = False
+    device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
 BASE_DIR = os.path.dirname(os.path.abspath(__file__))
 LAMA_MODEL_PATH = os.path.join(BASE_DIR, 'models', 'big-lama')
 STTN_MODEL_PATH = os.path.join(BASE_DIR, 'models', 'sttn', 'infer_model.pth')
@@ -72,7 +78,6 @@ for provider in available_providers:
         "CUDAExecutionProvider",        # Nvidia GPU
     ]:
         continue
-    print(f"Detected execution provider: {provider}")
     ONNX_PROVIDERS.append(provider)
 # ×××××××××××××××××××× [不要改] end ××××××××××××××××××××
 
diff --git a/backend/inpaint/sttn_inpaint.py b/backend/inpaint/sttn_inpaint.py
index cd471c4..4e0f504 100644
--- a/backend/inpaint/sttn_inpaint.py
+++ b/backend/inpaint/sttn_inpaint.py
@@ -27,7 +27,7 @@ class STTNInpaint:
         # 1. 创建InpaintGenerator模型实例并装载到选择的设备上
         self.model = InpaintGenerator().to(self.device)
         # 2. 载入预训练模型的权重，转载模型的状态字典
-        self.model.load_state_dict(torch.load(config.STTN_MODEL_PATH, map_location=self.device)['netG'])
+        self.model.load_state_dict(torch.load(config.STTN_MODEL_PATH, map_location='cpu')['netG'])
         # 3. # 将模型设置为评估模式
         self.model.eval()
         # 模型输入用的宽和高
diff --git a/backend/main.py b/backend/main.py
index e8c29d9..eb401d1 100644
--- a/backend/main.py
+++ b/backend/main.py
@@ -607,6 +607,10 @@ class SubtitleRemover:
             self.video_out_name = os.path.join(pic_dir, f'{self.vd_name}{self.ext}')
         if torch.cuda.is_available():
             print('use GPU for acceleration')
+        if config.USE_DML:
+            print('use DirectML for acceleration')
+            if config.MODE != config.InpaintMode.STTN:
+                print('Warning: DirectML acceleration is only available for STTN model. Falling back to CPU for other models.')
         for provider in config.ONNX_PROVIDERS:
             print(f"Detected execution provider: {provider}")