diff --git a/scripts/readers/base.py b/scripts/readers/base.py
index 0a07aad..97edcfa 100644
--- a/scripts/readers/base.py
+++ b/scripts/readers/base.py
@@ -8,12 +8,6 @@ from typing import List, Optional, Tuple
 class BaseReader(ABC):
     """文档阅读器基类。"""
 
-    @property
-    @abstractmethod
-    def supported_extensions(self) -> List[str]:
-        """返回支持的文件扩展名列表（如 ['.docx', '.doc']）。"""
-        pass
-
     @abstractmethod
     def supports(self, file_path: str) -> bool:
         """
diff --git a/scripts/readers/docx/__init__.py b/scripts/readers/docx/__init__.py
index b4e243c..eec2fe3 100644
--- a/scripts/readers/docx/__init__.py
+++ b/scripts/readers/docx/__init__.py
@@ -27,10 +27,6 @@ PARSERS = [
 class DocxReader(BaseReader):
     """DOCX 文件阅读器"""
 
-    @property
-    def supported_extensions(self) -> List[str]:
-        return [".docx"]
-
     def supports(self, file_path: str) -> bool:
         return file_path.lower().endswith('.docx')
 
diff --git a/scripts/readers/html/__init__.py b/scripts/readers/html/__init__.py
index 295a9d5..ebbc476 100644
--- a/scripts/readers/html/__init__.py
+++ b/scripts/readers/html/__init__.py
@@ -26,10 +26,6 @@ PARSERS = [
 class HtmlReader(BaseReader):
     """HTML/URL 文件阅读器"""
 
-    @property
-    def supported_extensions(self) -> List[str]:
-        return [".html", ".htm"]
-
     def supports(self, file_path: str) -> bool:
         return is_url(file_path) or file_path.lower().endswith(('.html', '.htm'))
 
diff --git a/scripts/readers/pdf/__init__.py b/scripts/readers/pdf/__init__.py
index 3f8f589..9f175b0 100644
--- a/scripts/readers/pdf/__init__.py
+++ b/scripts/readers/pdf/__init__.py
@@ -27,10 +27,6 @@ PARSERS = [
 class PdfReader(BaseReader):
     """PDF 文件阅读器"""
 
-    @property
-    def supported_extensions(self) -> List[str]:
-        return [".pdf"]
-
     def supports(self, file_path: str) -> bool:
         return file_path.lower().endswith('.pdf')
 
diff --git a/scripts/readers/pptx/__init__.py b/scripts/readers/pptx/__init__.py
index eea4c00..6a92910 100644
--- a/scripts/readers/pptx/__init__.py
+++ b/scripts/readers/pptx/__init__.py
@@ -25,10 +25,6 @@ PARSERS = [
 class PptxReader(BaseReader):
     """PPTX 文件阅读器"""
 
-    @property
-    def supported_extensions(self) -> List[str]:
-        return [".pptx"]
-
     def supports(self, file_path: str) -> bool:
         return file_path.lower().endswith('.pptx')
 
diff --git a/scripts/readers/xlsx/__init__.py b/scripts/readers/xlsx/__init__.py
index 29fd84b..8856e97 100644
--- a/scripts/readers/xlsx/__init__.py
+++ b/scripts/readers/xlsx/__init__.py
@@ -25,10 +25,6 @@ PARSERS = [
 class XlsxReader(BaseReader):
     """XLSX 文件阅读器"""
 
-    @property
-    def supported_extensions(self) -> List[str]:
-        return [".xlsx"]
-
     def supports(self, file_path: str) -> bool:
         return file_path.lower().endswith('.xlsx')