diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index f7031d8..a9a5e32 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -6,7 +6,8 @@
   <component name="ChangeListManager">
     <list default="true" id="6b18b44a-df57-4212-a857-9e291ebe5dd2" name="更改" comment="">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/docutranslate/translater.py" beforeDir="false" afterPath="$PROJECT_DIR$/docutranslate/translater.py" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/docutranslate/utils/convert.py" beforeDir="false" afterPath="$PROJECT_DIR$/docutranslate/utils/convert.py" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -369,12 +370,12 @@
     <SUITE FILE_PATH="coverage/filetranslate$test.coverage" NAME="test 覆盖结果" MODIFIED="1746677277745" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/tests" />
     <SUITE FILE_PATH="coverage/filetranslate$agent_utils.coverage" NAME="agent_utils 覆盖结果" MODIFIED="1746708534311" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/docutranslate/utils" />
     <SUITE FILE_PATH="coverage/filetranslate$convert.coverage" NAME="convert 覆盖结果" MODIFIED="1746780691113" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/docutranslate/utils" />
-    <SUITE FILE_PATH="coverage/filetranslate$test1.coverage" NAME="test1 覆盖结果" MODIFIED="1746851336881" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/tests" />
+    <SUITE FILE_PATH="coverage/filetranslate$test1.coverage" NAME="test1 覆盖结果" MODIFIED="1746857730545" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/tests" />
     <SUITE FILE_PATH="coverage/PDFtranslate$PDFtranslater__1_.coverage" NAME="PDFtranslater (1) 覆盖结果" MODIFIED="1746633258205" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/pdftranslate_packages" />
     <SUITE FILE_PATH="coverage/PDFtranslate$convert.coverage" NAME="convert 覆盖结果" MODIFIED="1746596984213" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/pdftranslate_packages/utils" />
     <SUITE FILE_PATH="coverage/PDFtranslate$agent_utils.coverage" NAME="agent_utils 覆盖结果" MODIFIED="1746617703678" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/pdftranslate_packages/utils" />
     <SUITE FILE_PATH="coverage/PDFtranslate$markdown_splitter.coverage" NAME="markdown_splitter 覆盖结果" MODIFIED="1746599883603" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/pdftranslate_packages/utils" />
-    <SUITE FILE_PATH="coverage/filetranslate$test3.coverage" NAME="test3 覆盖结果" MODIFIED="1746785064481" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/tests" />
+    <SUITE FILE_PATH="coverage/filetranslate$test3.coverage" NAME="test3 覆盖结果" MODIFIED="1746857126577" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/tests" />
     <SUITE FILE_PATH="coverage/PDFtranslate$translater.coverage" NAME="translater 覆盖结果" MODIFIED="1746600434803" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/pdftranslate_packages" />
     <SUITE FILE_PATH="coverage/filetranslate$markdown_splitter.coverage" NAME="markdown_splitter 覆盖结果" MODIFIED="1746805063874" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/docutranslate/utils" />
     <SUITE FILE_PATH="coverage/PDFtranslate$markdown_utils.coverage" NAME="markdown_utils 覆盖结果" MODIFIED="1746598797872" SOURCE_PROVIDER="com.intellij.coverage.DefaultCoverageFileProvider" RUNNER="coverage.py" COVERAGE_BY_TEST_ENABLED="false" COVERAGE_TRACING_ENABLED="false" WORKING_DIRECTORY="$PROJECT_DIR$/pdftranslate_packages/utils" />
diff --git a/docutranslate/translater.py b/docutranslate/translater.py
index 95fc12d..9992b13 100644
--- a/docutranslate/translater.py
+++ b/docutranslate/translater.py
@@ -1,7 +1,9 @@
+from io import BytesIO
 from pathlib import Path
 from typing import Literal
 
 import markdown2
+from docling.datamodel.document import DocumentStream
 
 from docutranslate.Agents import Agent, AgentArgs
 from docutranslate.Agents import MDRefineAgent, MDTranslateAgent
@@ -70,6 +72,27 @@ class FileTranslater:
         }
         return result
 
+    def read(self, name: str, file: bytes, formula=False, code=False, save=False,
+             save_format: Literal["markdown", "html"] = "markdown", refine=False,
+             refine_agent: Agent | None = None):
+        ds = DocumentStream(name=name, stream=BytesIO(file))
+        file_path = Path(name)
+        # 如果是markdown，直接读取
+        if file_path.suffix == ".md":
+            self.markdown = file.decode()
+        else:
+            print(f"正在将{file_path.resolve().name}转换为markdown")
+            self.markdown = file2markdown_embed_images(ds, formula, code, artifacts_path=self.docling_artifact)
+            print("已转换为markdown")
+        if refine:
+            self.refine_markdown_by_agent(refine_agent)
+        if save:
+            if save_format == "html":
+                self.save_as_html(filename=f"{file_path.stem}.html")
+            else:
+                self.save_as_markdown(filename=f"{file_path.stem}.md")
+        return self
+
     def read_file(self, file_path: Path | str | None = None, formula=False, code=False, save=False,
                   save_format: Literal["markdown", "html"] = "markdown", refine=False,
                   refine_agent: Agent | None = None):
@@ -109,12 +132,12 @@ class FileTranslater:
         print("markdown已修正")
         return self.markdown
 
-    def translate_markdown_by_agent(self, translate_agent: Agent | None = None,to_lang="中文"):
+    def translate_markdown_by_agent(self, translate_agent: Agent | None = None, to_lang="中文"):
         print("正在翻译markdown")
         self._mask_uris_in_markdown()
         chuncks = self._split_markdown_into_chunks()
         if translate_agent is None:
-            translate_agent = MDTranslateAgent(to_lang=to_lang,**self.default_agent_params())
+            translate_agent = MDTranslateAgent(to_lang=to_lang, **self.default_agent_params())
         result: list[str] = translate_agent.send_prompts(chuncks)
         self.markdown = "\n".join(result)
         self._unmask_uris_in_markdown()
@@ -231,7 +254,7 @@ class FileTranslater:
         self.read_file(file_path, formula=formula, code=code)
         if refine:
             self.refine_markdown_by_agent(refine_agent)
-        self.translate_markdown_by_agent(translate_agent,to_lang=to_lang)
+        self.translate_markdown_by_agent(translate_agent, to_lang=to_lang)
         if output_format == "markdown":
             filename = f"{file_path.stem}_{to_lang}.md"
             self.save_as_markdown(filename=filename, output_dir=output_dir)
diff --git a/docutranslate/utils/convert.py b/docutranslate/utils/convert.py
index 2d38197..39db194 100644
--- a/docutranslate/utils/convert.py
+++ b/docutranslate/utils/convert.py
@@ -5,13 +5,12 @@ from docling.datamodel.pipeline_options import PdfPipelineOptions
 from docling_core.types.doc import ImageRefMode
 from pathlib import Path
 from docling.document_converter import DocumentConverter, PdfFormatOption
+from docling.datamodel.document import DocumentStream
 
 IMAGE_RESOLUTION_SCALE = 4
 
 
-def file2markdown_embed_images(file_path: Path | str, formula=False, code=False,artifacts_path:Path|str|None=None) -> str:
-    if isinstance(file_path,str):
-        file_path=Path(file_path)
+def file2markdown_embed_images(file_path: Path | str|DocumentStream, formula=False, code=False,artifacts_path:Path|str|None=None) -> str:
     pipeline_options = PdfPipelineOptions(artifacts_path=artifacts_path)
     # pipeline_options.do_ocr=False
     pipeline_options.images_scale = IMAGE_RESOLUTION_SCALE