1、新增ai返回的数据为空的判断

lib/view/paint/ai_patint_controller.dart

@@ -116,8 +116,10 @@ class AiPatintController extends GetxController {
     final widthScale = Get.find<IApplication>().displayScaleRatio;
 
     for (int m = 0; m < detectedObjects!.length; m++) {
-      final List<AIDiagnosisPoint2D>? contours = detectedObjects[m].contours;
-      if (contours!.isNotEmpty && detectedObjects[m].descriptions!.isNotEmpty) {
+      final List<AIDiagnosisPoint2D>? contours =
+          detectedObjects[m].contours ?? [];
+      if ((contours?.isNotEmpty ?? false) &&
+          (detectedObjects[m].descriptions?.isNotEmpty ?? false)) {
         var lesionSizeDescription = detectedObjects[m].descriptions?.firstWhere(
             (element) => element.type == DiagnosisDescriptionEnum.LesionSize);
         lesionSize = lesionSizeDescription?.value ?? '';
@@ -125,7 +127,7 @@ class AiPatintController extends GetxController {
         final lesionSizeMap = jsonDecode(lesionSize);
         if (_HAS_VIEW_STATUS_ARR.contains(state.vidStatus)) {
           aiResultsList = [];
-          for (int i = 0; i < contours.length; i++) {
+          for (int i = 0; i < contours!.length; i++) {
             aiResultsList.add(Offset(
               contours[i].x * widthScale,
               contours[i].y * widthScale,