下架一些视频任务，修改 deepseek-provider

tasks/ai_tasks/category_generation_task.py

@@ -12,7 +12,7 @@ from tqdm import tqdm
 
 from applications import log
 from applications.api.deep_seek_api_official import fetch_deepseek_completion
-from applications.api.deep_seek_api_by_volcanoengine import fetch_deepseek_response
+from applications.api.deep_seek_api_by_volcanoengine import fetch_deepseek_completion as fetch_deepseek_response
 from applications.const import CategoryGenerationTaskConst
 from applications.db import DatabaseConnector
 from applications.utils import yield_batch