diff --git a/app/controller/AlgorithmController.py b/app/controller/AlgorithmController.py
index 75d7c38..121afbc 100644
--- a/app/controller/AlgorithmController.py
+++ b/app/controller/AlgorithmController.py
@@ -312,7 +312,6 @@ def Export_model_RODY(params_str):
 
     return exp_outputPath
 
-
 @obtain_train_param()
 def returnTrainParams():
     # nvmlInit()
diff --git a/app/yolov5/train_server.py b/app/yolov5/train_server.py
index 07ff125..c122f9d 100644
--- a/app/yolov5/train_server.py
+++ b/app/yolov5/train_server.py
@@ -72,7 +72,7 @@ def yaml_rewrite(file='data.yaml',data_list=[]):
     with open(file, errors='ignore') as f:
         coco_dict = yaml.safe_load(f)
     #读取img_label_type.json
-    with open(data_list[3], 'r') as f:
+    with open(data_list[3], 'r',encoding='UTF-8') as f:
         class_dict = json.load(f)
         f.close()
     classes = class_dict["classes"]
diff --git a/app/yolov5/utils/dataloaders.py b/app/yolov5/utils/dataloaders.py
index 90de966..9b8a9b8 100644
--- a/app/yolov5/utils/dataloaders.py
+++ b/app/yolov5/utils/dataloaders.py
@@ -430,9 +430,12 @@ class LoadImagesAndLabels(Dataset):
         self.label_files = img2label_paths(self.im_files)  # labels
         cache_path = (p if p.is_file() else Path(self.label_files[0]).parent).with_suffix('.cache')
         try:
-            cache, exists = np.load(cache_path, allow_pickle=True).item(), True  # load dict
-            assert cache['version'] == self.cache_version  # matches current version
-            assert cache['hash'] == get_hash(self.label_files + self.im_files)  # identical has
+            # cache, exists = np.load(cache_path, allow_pickle=True).item(), True  # load dict
+            # assert cache['version'] == self.cache_version  # matches current version
+            # assert cache['hash'] == get_hash(self.label_files + self.im_files)  # identical has
+            if os.path.exists(cache_path):
+                os.remove(cache_path)
+                cache, exists = self.cache_labels(cache_path, prefix), False  # run cache ops
         except Exception:
             cache, exists = self.cache_labels(cache_path, prefix), False  # run cache ops