diff --git a/脚本/开票.py b/脚本/开票.py
index 6b137b0..b7ac9e2 100644
--- a/脚本/开票.py
+++ b/脚本/开票.py
@@ -1,31 +1,36 @@
 from openpyxl import load_workbook
+from openpyxl.styles.fills import PatternFill
 
 EXCEL_PATH = r'd:\Cheney\geely-kaipiao\doc\2025-2026团队结算进度.xlsx'
 
 
 def read_team_column() -> list:
-    wb = load_workbook(EXCEL_PATH)
-    ws = wb.active
-    team_list = []
-    
-    header_row = 1
-    team_col_index = None
-    
-    for col in range(1, ws.max_column + 1):
-        cell_value = ws.cell(row=header_row, column=col).value
-        if cell_value == '团号':
-            team_col_index = col
-            break
-    
-    if team_col_index is None:
+    try:
+        wb = load_workbook(EXCEL_PATH, read_only=True)
+        ws = wb.active
+        team_list = []
+        
+        header_row = 1
+        team_col_index = None
+        
+        for col in range(1, ws.max_column + 1):
+            cell_value = ws.cell(row=header_row, column=col).value
+            if cell_value == '团号':
+                team_col_index = col
+                break
+        
+        if team_col_index is None:
+            return team_list
+        
+        for row in range(2, ws.max_row + 1):
+            cell_value = ws.cell(row=row, column=team_col_index).value
+            if cell_value and isinstance(cell_value, str) and cell_value.lower().startswith('team'):
+                team_list.append(cell_value)
+        
         return team_list
-    
-    for row in range(2, ws.max_row + 1):
-        cell_value = ws.cell(row=row, column=team_col_index).value
-        if cell_value and isinstance(cell_value, str) and cell_value.lower().startswith('team'):
-            team_list.append(cell_value)
-    
-    return team_list
+    except Exception as e:
+        print(f"读取Excel时出错: {e}")
+        return []
 
 
 if __name__ == '__main__':