diff --git a/ieemoo-ai-isempty.py b/ieemoo-ai-isempty.py
index a0a93b2..74d948b 100755
--- a/ieemoo-ai-isempty.py
+++ b/ieemoo-ai-isempty.py
@@ -54,7 +54,7 @@ def parse_args(model_file="../module/ieemoo-ai-isempty/model/now/emptyjudge5_che
 class Predictor(object):
     def __init__(self, args):
         self.args = args
-        self.args.device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
+        self.args.device = torch.device("cpu")
         #print(self.args.device)
         self.args.nprocs = torch.cuda.device_count()
         self.cls_dict = {}
@@ -121,7 +121,7 @@ def get_isempty():
     #print('get date use time: {0:.2f}s'.format(getdateend - start))
 
     pic = json_data.get("pic")
-    result = { }
+    result = {}
     
     imgdata = base64.b64decode(pic)
     imgdata_np = np.frombuffer(imgdata, dtype='uint8')