diff --git a/docutranslate/app.py b/docutranslate/app.py
index b5450b1..e49a329 100644
--- a/docutranslate/app.py
+++ b/docutranslate/app.py
@@ -307,12 +307,12 @@ async def _perform_translation(
                     raise ValueError("使用 'mineru' 引擎需要提供 'mineru_token'。")
                 convert_config = ConverterMineruConfig(
                     mineru_token=payload.mineru_token,
-                    formula=payload.formula_ocr
+                    formula_ocr=payload.formula_ocr
                 )
             elif payload.convert_engin == 'docling':
                 convert_config = ConverterDoclingConfig(
-                    code=payload.code_ocr,
-                    formula=payload.formula_ocr
+                    code_ocr=payload.code_ocr,
+                    formula_ocr=payload.formula_ocr
                 )
 
             await workflow.translate_async(
diff --git a/docutranslate/converter/x2md/base.py b/docutranslate/converter/x2md/base.py
index 658e7fc..efc2749 100644
--- a/docutranslate/converter/x2md/base.py
+++ b/docutranslate/converter/x2md/base.py
@@ -1,5 +1,6 @@
 from abc import abstractmethod
 from dataclasses import dataclass
+from typing import Hashable
 
 from docutranslate.converter.base import Converter, ConverterConfig
 from docutranslate.ir.document import Document
@@ -8,7 +9,9 @@ from docutranslate.ir.markdown_document import MarkdownDocument
 @dataclass(kw_only=True)
 class X2MarkdownConverterConfig(ConverterConfig):
     ...
-
+    @abstractmethod
+    def gethash(self) ->Hashable:
+        ...
 
 class X2MarkdownConverter(Converter):
     """
diff --git a/docutranslate/converter/x2md/converter_docling.py b/docutranslate/converter/x2md/converter_docling.py
index 4a64cf7..52e90d7 100644
--- a/docutranslate/converter/x2md/converter_docling.py
+++ b/docutranslate/converter/x2md/converter_docling.py
@@ -22,19 +22,19 @@ IMAGE_RESOLUTION_SCALE = 4
 
 @dataclass(kw_only=True)
 class ConverterDoclingConfig(X2MarkdownConverterConfig):
-    code: bool = True
-    formula: bool = True
+    code_ocr: bool = True
+    formula_ocr: bool = True
     artifact: Path | None = None
 
     def gethash(self):
-        return self.code,self.formula
+        return self.code_ocr,self.formula_ocr
 
 
 class ConverterDocling(X2MarkdownConverter):
     def __init__(self, config: ConverterDoclingConfig):
         super().__init__(config=config)
-        self.code = config.code
-        self.formula = config.formula
+        self.code = config.code_ocr
+        self.formula = config.formula_ocr
         artifact = Path("./docling_artifact")
         if artifact.is_dir():
             self.logger.info("使用./docling_artifact的本地模型")
diff --git a/docutranslate/converter/x2md/converter_mineru.py b/docutranslate/converter/x2md/converter_mineru.py
index 820d89b..fd670de 100644
--- a/docutranslate/converter/x2md/converter_mineru.py
+++ b/docutranslate/converter/x2md/converter_mineru.py
@@ -19,10 +19,10 @@ URL = 'https://mineru.net/api/v4/file-urls/batch'
 @dataclass(kw_only=True)
 class ConverterMineruConfig(X2MarkdownConverterConfig):
     mineru_token: str
-    formula: bool = True
+    formula_ocr: bool = True
 
     def gethash(self) ->Hashable:
-        return self.formula
+        return self.formula_ocr
 
 
 timeout = httpx.Timeout(
@@ -40,7 +40,7 @@ class ConverterMineru(X2MarkdownConverter):
     def __init__(self, config: ConverterMineruConfig, logger: Logger = global_logger):
         super().__init__(config=config)
         self.mineru_token = config.mineru_token.strip()
-        self.formula = config.formula
+        self.formula = config.formula_ocr
         self.logger = logger
 
     def _get_header(self):
diff --git a/docutranslate/workflow/txt_workflow.py b/docutranslate/workflow/txt_workflow.py
index 874e774..da524d0 100644
--- a/docutranslate/workflow/txt_workflow.py
+++ b/docutranslate/workflow/txt_workflow.py
@@ -26,20 +26,21 @@ class TXTWorkflow(Workflow[TXTWorkflowConfig, Document, Document], HTMLExportabl
                 if sub_config:
                     sub_config.logger = config.logger
 
-    def translate(self) -> Self:
+    def _pre_translate(self,document_original:Document):
+        document = document_original.copy()
         translate_config = self.config.translator_config
-        document = self.document_original.copy()
-        # 翻译解析后文件
         translator = TXTTranslator(translate_config)
+        return document,translator
+
+
+    def translate(self) -> Self:
+        document, translator=self._pre_translate(self.document_original)
         translator.translate(document)
         self.document_translated = document
         return self
 
     async def translate_async(self) -> Self:
-        translate_config = self.config.translator_config
-        document = self.document_original.copy()
-        # 翻译解析后文件
-        translator = TXTTranslator(translate_config)
+        document, translator = self._pre_translate(self.document_original)
         await translator.translate_async(document)
         self.document_translated = document
         return self