111

2026-04-07 01:32:32 +08:00
parent 10db49434c
commit 27d5b753c5
4 changed files with 17 additions and 10 deletions
--- a/flutter_monisuo/lib/ui/pages/trade/trade_page.dart
+++ b/flutter_monisuo/lib/ui/pages/trade/trade_page.dart
@@ -205,7 +205,9 @@ class _TradePageState extends State<TradePage>

  void _fillPercent(double pct) {
    final max = double.tryParse(_maxAmount) ?? 0;
-    _amountController.text = (max * pct).toStringAsFixed(2);
+    final value = max * pct;
+    // 向下截斷到2位小數，避免四捨五入超出可用餘額
+    _amountController.text = ((value * 100).truncateToDouble() / 100).toStringAsFixed(2);
    setState(() {});
  }