diff --git a/app.py b/app.py
index ec195b2..078a9ee 100644
--- a/app.py
+++ b/app.py
@@ -427,7 +427,20 @@ def api_calendar_sync_all():
                 summary = (evt.get('summary') or '').strip()
                 if not summary:
                     continue
-                text = f"【{evt['time']}】{summary}" if evt.get('time') else summary
+                date_str = evt.get('date', '')
+                if date_str:
+                    try:
+                        parts = date_str.split('-')
+                        date_label = f"{int(parts[1])}月{int(parts[2])}日"
+                    except:
+                        date_label = date_str
+                else:
+                    date_label = ''
+                time_str = evt.get('time', '')
+                prefix = f"【{date_label} {time_str}】" if date_label and time_str else \
+                         (f"【{date_label}】" if date_label else \
+                          (f"【{time_str}】" if time_str else ''))
+                text = f"{prefix}{summary}" if prefix else summary
                 loc = evt.get('location', '')
                 if loc:
                     text += f" @{loc}"