fix bug

@@ -202,7 +202,7 @@ class Command(BaseCommand, LoggerMixin):
     @staticmethod
     @staticmethod
     async def fetch_bc_name_result(url, json_data):
     async def fetch_bc_name_result(url, json_data):
         async with aiohttp.ClientSession(connector=aiohttp.TCPConnector(ssl=False)) as session:
         async with aiohttp.ClientSession(connector=aiohttp.TCPConnector(ssl=False)) as session:
-            async with session.post(url, data=json_data) as response:
+            async with session.post(url, json=json_data) as response:
                 if response.status == 200:
                 if response.status == 200:
                     return await response.json()
                     return await response.json()