diff --git a/.gitignore b/.gitignore
index db15a9c5..0b6d0c9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,3 +49,4 @@ linux/
 macos/
 windows/
 web/
+.vscode/settings.json
diff --git a/lib/components/editor_pane.dart b/lib/components/editor_pane.dart
index a3302fa1..5b340e9f 100644
--- a/lib/components/editor_pane.dart
+++ b/lib/components/editor_pane.dart
@@ -28,7 +28,7 @@ class _RequestEditorPaneState extends ConsumerState<RequestEditorPane> {
       return Padding(
         padding: const EdgeInsets.all(8),
         child: Column(
-          children: [
+          children: const [
             EditorPaneRequestURLCard(),
             SizedBox(
               height: 10,
diff --git a/lib/components/editor_pane/url_card.dart b/lib/components/editor_pane/url_card.dart
index 4e07bccf..c7adb69b 100644
--- a/lib/components/editor_pane/url_card.dart
+++ b/lib/components/editor_pane/url_card.dart
@@ -150,7 +150,7 @@ class _URLTextFieldState extends ConsumerState<URLTextField> {
       key: Key("url-${activeId!}"),
       initialValue: ref
           .read(collectionStateNotifierProvider.notifier)
-          .getRequestModel(activeId!)
+          .getRequestModel(activeId)
           .url,
       style: codeStyle,
       decoration: InputDecoration(
@@ -161,7 +161,7 @@ class _URLTextFieldState extends ConsumerState<URLTextField> {
       onChanged: (value) {
         ref
             .read(collectionStateNotifierProvider.notifier)
-            .update(activeId!, url: value);
+            .update(activeId, url: value);
       },
     );
   }
diff --git a/lib/providers/providers.dart b/lib/providers/providers.dart
index d90b1c5b..fef785e0 100644
--- a/lib/providers/providers.dart
+++ b/lib/providers/providers.dart
@@ -20,6 +20,8 @@ class CollectionStateNotifier extends StateNotifier<List<RequestModel>> {
           ),
         ]);
 
+  final baseResponseModel = const ResponseModel();
+
   int idxOfId(String id) => state.indexWhere((element) => element.id == id);
 
   RequestModel getRequestModel(String id) {
@@ -95,8 +97,10 @@ class CollectionStateNotifier extends StateNotifier<List<RequestModel>> {
         message: responseRec.$2,
       );
     } else {
-      final responseModel = ResponseModel()
-          .fromResponse(response: responseRec.$0!, time: responseRec.$1!);
+      final responseModel = baseResponseModel.fromResponse(
+        response: responseRec.$0!,
+        time: responseRec.$1!,
+      );
       int statusCode = responseRec.$0!.statusCode;
       newRequestModel = requestModel.copyWith(
         responseStatus: statusCode,