添加 Lottie 全局加载层并修复加载状态卡住问题

suixinkan/UI/Statistics/StatisticsViewController.swift

@@ -91,16 +91,13 @@ final class StatisticsViewController: BaseViewController {
     }
 
     private func initializeStatistics() async {
-        showLoading()
         await viewModel.initStatistics(api: statisticsAPI)
-        hideLoading()
+        applyViewModel()
     }
 
     private func selectPeriod(_ period: String) {
         Task {
-            showLoading()
             await viewModel.selectPeriod(period, api: statisticsAPI)
-            hideLoading()
         }
     }