修复：大量的ScreenUtil误用，导致界面可能出现问题

(cherry picked from commit 2829da5267a14a9e0f43ff56060a68f1f8b2ca6a)

lib/app/modules/kr_statistics/views/kr_statistics_view.dart

@@ -152,7 +152,7 @@ class KRStatisticsView extends GetView<KRStatisticsController> {
               ),
             ],
           ),
-          SizedBox(height: 8.w),
+          SizedBox(height: 8.h),
           Text(
             value,
             style: KrAppTextStyle(
@@ -188,9 +188,9 @@ class KRStatisticsView extends GetView<KRStatisticsController> {
               ),
             ),
           ),
-          SizedBox(height: 16.w),
+          SizedBox(height: 16.h),
           SizedBox(
-            height: 200.w,
+            height: 200.h,
             child: Obx(() => LineChart(
               LineChartData(
                 gridData: FlGridData(show: false),
@@ -297,7 +297,7 @@ class KRStatisticsView extends GetView<KRStatisticsController> {
               ),
             ],
           ),
-          SizedBox(height: 16.w),
+          SizedBox(height: 16.h),
           Obx(() => _kr_buildLongestConnection(context)),
         ],
       ),
@@ -322,7 +322,7 @@ class KRStatisticsView extends GetView<KRStatisticsController> {
               color: Theme.of(context).textTheme.bodySmall?.color,
             ),
           ),
-          SizedBox(height: 8.w),
+          SizedBox(height: 8.h),
           Text(
             value,
             style: KrAppTextStyle(