优化

src/returns.py

@@ -43,7 +43,7 @@ def page_get(url):
 def sku_relations():
     relations_dict = {}
     # 读取ASIN和sku映射关系
-    file_name = '../relations.xlsx'
+    file_name = 'relations.xlsx'
     if not os.path.isfile(file_name):
         raise FileNotFoundError(f"{file_name},请确认sku关系文件不存在")