相应的版本更新

lib/pages/battery_health_page.dart

@@ -352,6 +352,10 @@ class _BatteryHealthPageState extends State<BatteryHealthPage>
           _currentCap = recent.first['capacity'].toDouble();
           _maxVolt = recent.first['volt_max'] ?? 0;
           _minVolt = recent.first['volt_min'] ?? 0;
+          // 🟢 数据库目前不存温度，后续升级可扩展，暂时保留为 0
+          _maxTemp = 0;
+          _minTemp = 0;
+          _cycleCount = 0;
           _hasData = true;
         });
         await _updateTrendChart();
@@ -378,20 +382,7 @@ class _BatteryHealthPageState extends State<BatteryHealthPage>
         return;
       }
 
-      // 使用 CapacityExtractor 提取容量
+      // 🟢 提取所有有效行（包含 tbat=）
-      final cap = CapacityExtractor.extractCapacity(lines);
-      if (cap == null) {
-        dev.log(
-          '🔵 未找到容量数据（learned_cap 或 remaining_cap）',
-          name: 'BatteryHealth',
-        );
-        setState(() => _hasData = false);
-        _chargeAnimationController.reset();
-        _updateChargeState();
-        return;
-      }
-
-      // 提取最后一条有效数据用于显示
       final validLines = lines.where((line) => line.contains('tbat=')).toList();
       if (validLines.isEmpty) {
         dev.log('🔵 无有效数据行', name: 'BatteryHealth');
@@ -401,6 +392,8 @@ class _BatteryHealthPageState extends State<BatteryHealthPage>
         return;
       }
 
+      // 🟢 1.4.7 核心改动：字段提取与容量提取解耦
+      // 无论 cap 是否为 null，都提取常规字段
       final lastLine = validLines.last;
       final cycle = _extractCycle(lastLine);
       final temp = _extractTemp(lastLine);
@@ -409,12 +402,34 @@ class _BatteryHealthPageState extends State<BatteryHealthPage>
       final (maxVolt, minVolt) = _extractVoltExtremes(validLines);
 
       dev.log(
-        '🔵 解析结果: cap=$cap, cycle=$cycle, temp=$temp, volt=$volt',
+        '🔵 字段提取: cycle=$cycle, temp=$temp, volt=$volt',
         name: 'BatteryHealth',
       );
 
+      // 🟢 容量提取（可能为 null）
+      final cap = CapacityExtractor.extractCapacity(lines);
+      int? finalCap;
+
+      if (cap != null) {
+        // ✅ 今日有充满记录，直接使用
+        finalCap = cap;
+        dev.log('🔵 从日志提取容量: $cap', name: 'BatteryHealth');
+      } else {
+        // ⚠️ 今日无充满记录，尝试从数据库复制前一天容量
+        dev.log('🔵 今日无充满记录，尝试复制前一天容量', name: 'BatteryHealth');
+        final recent = await _dbService.queryRecentData(1);
+        if (recent.isNotEmpty) {
+          finalCap = recent.first['capacity'] as int;
+          dev.log('🔵 复制前一天容量: $finalCap', name: 'BatteryHealth');
+        } else {
+          finalCap = null;
+          dev.log('🔵 无历史数据可复制', name: 'BatteryHealth');
+        }
+      }
+
+      // 🟢 一次性 setState 更新所有字段
       setState(() {
-        _currentCap = cap.toDouble();
+        _currentCap = (finalCap ?? _currentCap).toDouble();
         _cycleCount = cycle;
         _batteryTemp = temp;
         _batteryVolt = volt;

pubspec.yaml

@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 1.4.5
+version: 1.4.7
 
 environment:
   sdk: ^3.9.2