format(auto_track): 代码格式优化

- 移除了不必要的空格和问号
- 更新了 CHANGELOG.md，添加了新版本信息

-## 0.0.7
+## 0.1.0
+* fix custom route observer
 
+## 0.0.7
 * remove dio dependency
 * add http request listener
 * import android_id
\ No newline at end of file

@@ -21,7 +21,7 @@ class PointerEventListener {
 
   void start() {
     if (!_started) {
-      GestureBinding.instance?.pointerRouter.addGlobalRoute(_pointerRoute);
+      GestureBinding.instance.pointerRouter.addGlobalRoute(_pointerRoute);
       _gestureRecognizer = _AutoTrackTapGestureRecognizer();
       _gestureRecognizer.onTap = (){};
       _started = true;
@@ -30,7 +30,7 @@ class PointerEventListener {
 
   void stop() {
     if (_started) {
-      GestureBinding.instance?.pointerRouter.removeGlobalRoute(_pointerRoute);
+      GestureBinding.instance.pointerRouter.removeGlobalRoute(_pointerRoute);
       _gestureRecognizer.dispose();
       _started = false;
     }

@@ -13,7 +13,7 @@ class DragPointerEventListener {
   void start() {
     if (!_started) {
       _panGestureRecognizer = _AutoTrackPanGestureRecognizer();
-      GestureBinding.instance?.pointerRouter
+      GestureBinding.instance.pointerRouter
           .addGlobalRoute(_panGestureRecognizer.addPointer);
       _started = true;
     }
@@ -21,7 +21,7 @@ class DragPointerEventListener {
 
   void stop() {
     if (_started) {
-      GestureBinding.instance?.pointerRouter
+      GestureBinding.instance.pointerRouter
           .removeGlobalRoute(_panGestureRecognizer.addPointer);
       _panGestureRecognizer.dispose();
       _started = false;
@@ -55,8 +55,8 @@ class _AutoTrackPanGestureRecognizer extends PanGestureRecognizer {
           final info = DragInfo.from(
               begin: beginEvent!.position,
               end: event.position,
-              pageElement: page!.element,
-              pageInfo: page!.pageInfo,
+              pageElement: page.element,
+              pageInfo: page.pageInfo,
               duration: DateTime.now().millisecondsSinceEpoch - startTime);
           if (!info.ignore) {
             Track.instance.drag(info);

@@ -87,7 +87,7 @@ class AutoTrackNavigationObserver extends NavigatorObserver {
   }
 
   void _findElement(Route route, Function(Element) callback) {
-    SchedulerBinding.instance?.addPostFrameCallback((_) {
+    SchedulerBinding.instance.addPostFrameCallback((_) {
       if (AutoTrackConfigManager.instance.useCustomRoute) {
         List<AutoTrackPageConfig> pageConfigs =
             AutoTrackConfigManager.instance.pageConfigs;

@@ -9,7 +9,7 @@ import 'page_info.dart';
 class PageStack with WidgetsBindingObserver {
   static final PageStack instance = PageStack._();
   PageStack._() {
-    WidgetsBinding.instance?.addObserver(this);
+    WidgetsBinding.instance.addObserver(this);
   }
 
   final LinkedList<Page> _stack = LinkedList<Page>();

@@ -54,7 +54,9 @@ class HttpClientRequestWithChecker implements HttpClientRequest {
     return _realRequest.close().then((HttpClientResponse response) {
       _checkResponse(_realRequest, response);
       return response;
-    }).catchError((dynamic error, dynamic stackTrace) {}, test: (error) {
+    }).catchError((dynamic error, dynamic stackTrace) {
+      return error;
+    }, test: (error) {
       _stopwatch.stop();
       String message;
       if (error is HttpException) {
@@ -65,7 +67,7 @@ class HttpClientRequestWithChecker implements HttpClientRequest {
       Track.instance.reportHttpRequest(RequestModel(
           uri: _realRequest.uri,
           method: method,
-          pageId: pageInfoData?.pageInfo?.pageKey ?? "",
+          pageId: pageInfoData?.pageInfo.pageKey ?? "",
           requestHeaders: AutoTrackConfigManager
                   .instance.config.httpRequestConfig!.ignoreRequestHeader
               ? null
@@ -131,7 +133,7 @@ class HttpClientRequestWithChecker implements HttpClientRequest {
     Track.instance.reportHttpRequest(RequestModel(
         uri: _realRequest.uri,
         method: method,
-        pageId: pageInfoData?.pageInfo?.pageKey ?? "",
+        pageId: pageInfoData?.pageInfo.pageKey ?? "",
         requestHeaders: config.ignoreRequestHeader ? null : request.headers,
         responseHeaders: config.ignoreResponseHeader ? null : response.headers,
         message: message,
@@ -356,7 +358,9 @@ class HttpClientWithChecker implements HttpClient {
     return request
         .then((HttpClientRequest request) =>
             HttpClientRequestWithChecker(request, stopwatch, pageInfoData))
-        .catchError((dynamic error, dynamic stackTrace) {}, test: (error) {
+        .catchError((dynamic error, dynamic stackTrace) {
+      return error;
+    }, test: (error) {
       String message = error.toString();
       if (error is SocketException) {
         message = error.message;
@@ -364,7 +368,7 @@ class HttpClientWithChecker implements HttpClient {
       Track.instance.reportHttpRequest(RequestModel(
           uri: url,
           method: method,
-          pageId: pageInfoData?.pageInfo?.pageKey ?? "",
+          pageId: pageInfoData?.pageInfo.pageKey ?? "",
           requestHeaders: null,
           message: message,
           status: -1,