合约数据按日期倒序排列，最新在最前

ft-app/app/routers/contracts.py

@@ -59,7 +59,7 @@ def contract_detail(request: Request, contract: str, db: Session = Depends(get_d
     bars = (
         db.query(DailyBar)
         .filter(DailyBar.contract == contract.upper())
-        .order_by(DailyBar.date)
+        .order_by(DailyBar.date.desc())
         .all()
     )
 
@@ -77,7 +77,7 @@ def contract_detail(request: Request, contract: str, db: Session = Depends(get_d
             "has_amp": bar.amp_5d is not None,
         })
 
-    latest = bars[-1] if bars else None
+    latest = bars[0] if bars else None
 
     template = request.app.state.templates.get_template("contract.html")
     return HTMLResponse(

ft-app/app/templates/contract.html

@@ -37,7 +37,7 @@
 <table id="bars-table">
   <tr><th>日期</th><th>星期</th><th>开盘</th><th>收盘</th><th>最高</th><th>最低</th><th>波幅</th><th>5日均振幅</th></tr>
   {% for row in rows %}
-  <tr data-index="{{ loop.index0 }}" data-diff="{{ row.diff }}" data-date="{{ row.date }}" data-weekday="{{ row.weekday }}"{% if loop.revindex0 >= 7 %} class="extra-row" style="display:none;"{% endif %}>
+  <tr data-index="{{ loop.index0 }}" data-diff="{{ row.diff }}" data-date="{{ row.date }}" data-weekday="{{ row.weekday }}"{% if loop.index0 >= 7 %} class="extra-row" style="display:none;"{% endif %}>
     <td>{{ row.date }}</td>
     <td>{{ row.weekday }}</td>
     <td>{{ row.open }}</td>