diff --git a/docs/MAIN_CLEAN_FLOW.md b/docs/MAIN_CLEAN_FLOW.md
index 7f42a0b..c387800 100644
--- a/docs/MAIN_CLEAN_FLOW.md
+++ b/docs/MAIN_CLEAN_FLOW.md
@@ -110,7 +110,7 @@ flowchart TB
     style C fill:#fff4e1
 ```
 
-**代码位置**: `utils/离散备料计划维护数据清理.py:292-304`
+**代码位置**: `utils/discrete_material_plan_cleaner.py:292-304`
 
 | 模块 | 功能 | 文件 |
 |------|------|------|
@@ -162,7 +162,7 @@ flowchart TB
     style F fill:#ffe1e1
 ```
 
-**代码位置**: `utils/离散备料计划维护数据清理.py:263-290`
+**代码位置**: `utils/discrete_material_plan_cleaner.py:263-290`
 
 ---
 
@@ -179,7 +179,7 @@ flowchart LR
     style D fill:#fff4e1
 ```
 
-**代码位置**: `utils/离散备料计划维护数据清理.py:41-59`
+**代码位置**: `utils/discrete_material_plan_cleaner.py:41-59`
 
 | 函数 | 功能 | 数据库表 |
 |------|------|----------|
@@ -210,7 +210,7 @@ flowchart TB
     style CheckStatus fill:#fff4e1
 ```
 
-**代码位置**: `utils/离散备料计划维护数据清理.py:61-167`
+**代码位置**: `utils/discrete_material_plan_cleaner.py:61-167`
 
 ---
 
@@ -249,7 +249,7 @@ flowchart TB
     style Done fill:#e1f5ff
 ```
 
-**代码位置**: `utils/离散备料计划维护数据清理.py:169-261`
+**代码位置**: `utils/discrete_material_plan_cleaner.py:169-261`
 
 ---
 
@@ -311,7 +311,7 @@ classDiagram
 
 ```mermaid
 graph TD
-    A[main_clean.py] --> B[utils/离散备料计划维护数据清理.py]
+    A[main_clean.py] --> B[utils/discrete_material_plan_cleaner.py]
     B --> C[utils/auth.py]
     B --> D[db/production_order_query.py]
     B --> E[db/materials_to_delete.py]
diff --git a/docs/progress_callback_mechanism.md b/docs/progress_callback_mechanism.md
index 278713c..1df1dd3 100644
--- a/docs/progress_callback_mechanism.md
+++ b/docs/progress_callback_mechanism.md
@@ -142,7 +142,7 @@ pie title 各阶段权重分布
 ### 1. 后台任务：报告进度
 
 ```python
-# utils/离散备料计划维护数据提取.py
+# utils/discrete_material_plan_extractor.py
 
 def _report_progress(self, stage: str, current: int, total: int, message: str, **detail):
     """
diff --git a/gui/data_extraction_tab.py b/gui/data_extraction_tab.py
index 83a7efa..199aaf1 100644
--- a/gui/data_extraction_tab.py
+++ b/gui/data_extraction_tab.py
@@ -162,7 +162,7 @@ class DataExtractionTab(ttk.Frame):
                 temp_file = f.name
                 f.write('\n'.join(production_ids))
 
-            from utils.离散备料计划维护数据提取 import DiscreteMaterialPlanExtractor
+            from utils.discrete_material_plan_extractor import DiscreteMaterialPlanExtractor
             self.extractor = DiscreteMaterialPlanExtractor(
                 username=self.config.get("erp.username"),
                 password=self.config.get("erp.password"),
diff --git a/utils/__init__.py b/utils/__init__.py
index 438e0f9..d9a9fe5 100644
--- a/utils/__init__.py
+++ b/utils/__init__.py
@@ -3,6 +3,6 @@
 """
 
 from .excel_converter import ExcelConverter
-from .离散备料计划维护数据提取 import DiscreteMaterialPlanExtractor
+from .discrete_material_plan_extractor import DiscreteMaterialPlanExtractor
 
 __all__ = ["ExcelConverter", "DiscreteMaterialPlanExtractor"]
diff --git a/utils/离散备料计划维护数据清理.py b/utils/discrete_material_plan_cleaner.py
similarity index 100%
rename from utils/离散备料计划维护数据清理.py
rename to utils/discrete_material_plan_cleaner.py
diff --git a/utils/离散备料计划维护数据提取.py b/utils/discrete_material_plan_extractor.py
similarity index 100%
rename from utils/离散备料计划维护数据提取.py
rename to utils/discrete_material_plan_extractor.py
diff --git a/utils/material_status_validator.py b/utils/material_status_validator.py
index 60e4745..dff5429 100644
--- a/utils/material_status_validator.py
+++ b/utils/material_status_validator.py
@@ -11,7 +11,7 @@ import os
 import pandas as pd
 from typing import List, Dict, Any, Optional, Set
 from dataclasses import dataclass
-from utils.离散备料计划维护数据提取 import DiscreteMaterialPlanExtractor
+from utils.discrete_material_plan_extractor import DiscreteMaterialPlanExtractor
 from db.materials_to_delete import get_all_materials_to_delete
 from db.production_contract_data_dao import ProductionContractDataDAO
 from db.discrete_material_plan_dao import DiscreteMaterialPlanDAO