refactor(services/tasks): Swtich to dify_config witch Pydantic (#6203)

api/core/rag/datasource/keyword/keyword_factory.py

@@ -1,7 +1,6 @@
 from typing import Any
 
-from flask import current_app
-
+from configs import dify_config
 from core.rag.datasource.keyword.jieba.jieba import Jieba
 from core.rag.datasource.keyword.keyword_base import BaseKeyword
 from core.rag.models.document import Document
@@ -14,8 +13,8 @@ class Keyword:
         self._keyword_processor = self._init_keyword()
 
     def _init_keyword(self) -> BaseKeyword:
-        config = current_app.config
-        keyword_type = config.get('KEYWORD_STORE')
+        config = dify_config
+        keyword_type = config.KEYWORD_STORE
 
         if not keyword_type:
             raise ValueError("Keyword store must be specified.")