refactor(doudian_service):优化代码结构和功能

-移除未使用的 JSONDecoder 导入
- 添加 requests 库导入
- 修改函数 create_goods 的注释
- 优化异常处理，使用具体的异常信息

service/doudian_service.py

 import json
 import time
-from json import JSONDecoder
 from urllib.parse import urlencode
 
 import execjs
+import requests
 from loguru import logger
 
 from service.doudian_request import doudian_request
@@ -62,7 +62,7 @@ def get_schema(headers: dict, proxy_url: str, category_id: str):
 
 
 def create_goods(headers: dict, proxy_url: str, data):
-    """获取商品类目"""
+    """创建商品"""
     params = {
         'check_status': '2',
         'appid': '1',
@@ -84,8 +84,8 @@ def create_goods(headers: dict, proxy_url: str, data):
             return response.json()
         else:
             raise Exception(f'请求失败 --> {response.text}')
-    except Exception:
-        raise Exception(f'请求失败 --> {response.text}')
+    except Exception as e:
+        raise Exception(f'请求失败 --> {str(e)}')
 
 def create_global_promotion(params:str | dict,data: dict,headers: dict, proxy_url: str):
     """创建全域推广"""