diff --git a/.claude/skills/week_report_gen_from_json/generate_report.py b/.claude/skills/week_report_gen_from_json/generate_report.py
index c0b02ba..7f0f448 100644
--- a/.claude/skills/week_report_gen_from_json/generate_report.py
+++ b/.claude/skills/week_report_gen_from_json/generate_report.py
@@ -565,7 +565,21 @@ def generate_weekly_report_from_json(json_input, output_file, template_file=None
         # Write data for current row
         ws.cell(row=current_row, column=2, value=project_name)
         ws.cell(row=current_row, column=3, value=row_data['子項目名稱'])
-        ws.cell(row=current_row, column=4, value=row_data['進度'])
+        
+        # Handle progress column (D) with percentage formatting
+        progress_cell = ws.cell(row=current_row, column=4, value=row_data['進度'])
+        if row_data['進度'] and str(row_data['進度']).strip():
+            # Try to extract numeric value and format as percentage
+            progress_value = str(row_data['進度']).strip()
+            if progress_value.endswith('%'):
+                try:
+                    numeric_value = float(progress_value[:-1]) / 100
+                    progress_cell.value = numeric_value
+                    progress_cell.number_format = '0%'
+                except ValueError:
+                    # If conversion fails, keep original text
+                    pass
+        
         ws.cell(row=current_row, column=5, value=row_data['本周主要進展'])
         ws.cell(row=current_row, column=6, value=row_data['參與人員'])
         ws.cell(row=current_row, column=7, value=row_data['工時'])