diff --git a/lib/pages/battery_health_page.dart b/lib/pages/battery_health_page.dart
index 3fd6c31..29570e7 100644
--- a/lib/pages/battery_health_page.dart
+++ b/lib/pages/battery_health_page.dart
@@ -303,7 +303,7 @@ class _BatteryHealthPageState extends State<BatteryHealthPage> {
     }
 
     await _getDeviceInfo();
-    await _dataService.scanAndUpdateDB();
+    await _dataService.scanAndUpdateDB(designCap: _designCap);
 
     final fileName = TimeUtils.getTodayFileName();
     dev.log('🔵 今日文件名: $fileName', name: 'BatteryHealth');
diff --git a/lib/services/battery_data_service.dart b/lib/services/battery_data_service.dart
index 8c8747a..7a64e79 100644
--- a/lib/services/battery_data_service.dart
+++ b/lib/services/battery_data_service.dart
@@ -9,8 +9,40 @@ class BatteryDataService {
   final SafStorageService _safService = SafStorageService();
   final DatabaseService _dbService = DatabaseService();
 
+  /// 🟢 1.7.0 容量有效性校验（入库专用）
+  int? _validateCapacityForDB(int? capacity, int designCap) {
+    if (capacity == null) return null;
+
+    // 容量必须大于 0
+    if (capacity <= 0) {
+      dev.log('⚠️ [DB校验] 容量异常：<= 0，已拒绝入库', name: 'BatteryDataService');
+      return null;
+    }
+
+    // 容量不能低于设计容量的 60%
+    if (capacity < designCap * 0.6) {
+      dev.log(
+        '⚠️ [DB校验] 容量异常：低于设计容量 60%（$capacity < ${designCap * 0.6}），已拒绝入库',
+        name: 'BatteryDataService',
+      );
+      return null;
+    }
+
+    // 容量不能超过设计容量的 115%
+    if (capacity > designCap * 1.15) {
+      dev.log(
+        '⚠️ [DB校验] 容量异常：高于设计容量 115%（$capacity > ${designCap * 1.15}），已拒绝入库',
+        name: 'BatteryDataService',
+      );
+      return null;
+    }
+
+    return capacity;
+  }
+
   /// 扫描所有日志文件并更新数据库
-  Future<void> scanAndUpdateDB() async {
+  /// 🟢 1.7.0 增加 designCap 参数，用于入库前校验
+  Future<void> scanAndUpdateDB({int? designCap}) async {
     dev.log('🔵 scanAndUpdateDB 开始', name: 'BatteryHealth');
 
     final state = await _safService.getPermissionState();
@@ -34,41 +66,28 @@ class BatteryDataService {
           final lines = await _safService.readLogFile(fileName);
           if (lines.isEmpty) continue;
 
-          // 🟢 1.4.5 改进：使用 CapacityExtractor 提取容量（仅从 Full 状态提取）
-          int? cap = CapacityExtractor.extractCapacity(lines);
+          // 使用 CapacityExtractor 提取容量
+          final cap = CapacityExtractor.extractCapacity(lines);
 
-          // 🟢 如果今天没有充满电（cap == null），尝试从昨天复制数据
-          if (cap == null) {
-            dev.log('🔵 日期 $dateStr 无充满记录，尝试复制前一天数据', name: 'BatteryHealth');
-
-            // 查询最近一条已有数据
-            final recentData = await _dbService.queryRecentData(1);
-            if (recentData.isNotEmpty) {
-              final yesterdayCap = recentData.first['capacity'] as int;
-              final yesterdayMaxVolt =
-                  recentData.first['volt_max'] as double? ?? 0.0;
-              final yesterdayMinVolt =
-                  recentData.first['volt_min'] as double? ?? 0.0;
-
-              dev.log(
-                '🔵 复制前一天数据: cap=$yesterdayCap, date=$dateStr',
-                name: 'BatteryHealth',
-              );
-
-              // 🟢 复制昨天的容量和电压极值到今天
-              await _dbService.insertOrUpdate(
-                dateStr,
-                yesterdayCap,
-                yesterdayMaxVolt,
-                yesterdayMinVolt,
-              );
-            } else {
-              dev.log('🔵 无历史数据可复制，跳过日期 $dateStr', name: 'BatteryHealth');
-            }
-            continue; // 已处理，跳过后续电压提取逻辑
+          // 🟢 1.7.0 如果 designCap 传入，则进行入库前校验
+          int? validatedCap = cap;
+          if (designCap != null && designCap > 0) {
+            validatedCap = _validateCapacityForDB(cap, designCap);
           }
 
-          // 提取电压极值（从所有有效行提取，不限于 Full）
+          if (validatedCap == null) {
+            if (cap != null) {
+              dev.log(
+                '🔵 日期 $dateStr 容量校验未通过 ($cap)，跳过入库',
+                name: 'BatteryHealth',
+              );
+            } else {
+              dev.log('🔵 日期 $dateStr 无有效容量数据，跳过入库', name: 'BatteryHealth');
+            }
+            continue;
+          }
+
+          // 提取电压极值
           final voltReg = RegExp(r'vbat=(\d+)');
           double? maxVolt, minVolt;
           for (String line in lines) {
@@ -82,8 +101,16 @@ class BatteryDataService {
           }
           if (maxVolt == null || minVolt == null) continue;
 
-          await _dbService.insertOrUpdate(dateStr, cap, maxVolt, minVolt);
-          dev.log('🔵 插入数据库: $dateStr, cap=$cap', name: 'BatteryHealth');
+          await _dbService.insertOrUpdate(
+            dateStr,
+            validatedCap,
+            maxVolt,
+            minVolt,
+          );
+          dev.log(
+            '🔵 插入数据库: $dateStr, cap=$validatedCap',
+            name: 'BatteryHealth',
+          );
         } catch (e) {
           dev.log('🔵 处理文件 $fileName 异常: $e', name: 'BatteryHealth');
         }