fixed some bugs on ios

ios/OralTrainer/Views/RootView.swift

@@ -90,6 +90,9 @@ struct RootView: View {
         .onChange(of: activeModule) { module in
             if module == .train {
                 controller.setContinuousPlayback(continuousPlayback)
+            } else if module == .test {
+                // 与安卓测试页一致：按当前句窗口播放，避免滑进下一句。
+                controller.setContinuousPlayback(false)
             } else {
                 controller.setContinuousPlayback(true)
             }

ios/OralTrainer/Views/TestView.swift

@@ -35,7 +35,7 @@ struct TestView: View {
                 PlayerSectionView(
                     controller: controller,
                     showsContinuousToggle: false,
-                    continuousPlayback: .constant(true),
+                    continuousPlayback: .constant(false),
                     showsSubtitle: $testSubtitleVisible,
                     onFullscreen: onFullscreen
                 )
@@ -321,7 +321,7 @@ struct TestView: View {
         dubSegments[sentence.index] = audioURL
         dubRawSegments[sentence.index] = rawPersistedURL
         mergedDubURL = nil
-        submitAssessment(recordingURL: url)
+        submitAssessment(recordingURL: audioURL)
     }
 
     private func restorePlaybackAudioSession() {