refactor(data): 更新数据集路径并调整数据验证逻辑

- 修改 data.yaml 中的训练、验证和测试数据集路径
- 更新 train.py 中的数据验证逻辑，使用新的数据集路径

data.yaml

@@ -1,6 +1,6 @@
-train: ../train/images
-val: ../valid/images
-test: ../test/images
+train: datasets/train/images
+val: datasets/valid/images
+test: datasets/test/images
 
 nc: 3
 names: ['button-off', 'button-on', 'gauge']

train.py

@@ -48,7 +48,7 @@ TRAIN_CONFIG = {
 def enhanced_data_check():
     """增强型数据验证（稳定版）"""
     print("\n=== 执行增强数据验证 ===")
-    label_files = glob.glob("datasets/insulator/labels/*.txt")
+    label_files = glob.glob("datasets/train/labels/*.txt")
     class_dist = {}
 
     # 类别分布分析
@@ -63,8 +63,8 @@ def enhanced_data_check():
     # 样本可视化（示例保留结构）
     sample_count = 3
     for i in range(sample_count):
-        img_path = f"datasets/insulator/images/{i:04d}.jpg"
-        lbl_path = f"datasets/insulator/labels/{i:04d}.txt"
+        img_path = f"datasets/train/images/{i:04d}.jpg"
+        lbl_path = f"datasets/train/labels/{i:04d}.txt"
         # 添加实际可视化逻辑
 
 def main():