[fix]调整网络连接异常弹出逻辑

lib/helper/internet_connection_helper.dart

@@ -124,7 +124,8 @@ class InternetConnectionHelper {
         InternetConnectionChecker.instance.onStatusChange.listen(
       (InternetConnectionStatus status) {
         AtmobLog.d(tag, '网络连接情况:$status');
-        if (status == InternetConnectionStatus.connected) {
+        if (status == InternetConnectionStatus.connected ||
+            status == InternetConnectionStatus.slow) {
           // 网络恢复，取消延迟弹窗任务
           _disconnectTimer?.cancel();
           _disconnectTimer = null;