diff --git a/lib/common/widgets/article_content.dart b/lib/common/widgets/article_content.dart
index 283a4869f..d98fb2b09 100644
--- a/lib/common/widgets/article_content.dart
+++ b/lib/common/widgets/article_content.dart
@@ -1,6 +1,7 @@
 import 'package:PiliPalaX/common/widgets/network_img_layer.dart';
 import 'package:PiliPalaX/models/dynamics/article_content_model.dart';
 import 'package:PiliPalaX/pages/preview/view.dart';
+import 'package:PiliPalaX/utils/extension.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_html/flutter_html.dart';
@@ -55,7 +56,7 @@ class ArticleContent extends StatelessWidget {
             alignment: Alignment.center,
             padding: const EdgeInsets.symmetric(vertical: 10),
             child: CachedNetworkImage(
-              imageUrl: item.line?.pic?.url ?? '',
+              imageUrl: item.line?.pic?.url?.http2https ?? '',
               height: item.line?.pic?.height?.toDouble(),
             ),
           );
diff --git a/lib/common/widgets/network_img_layer.dart b/lib/common/widgets/network_img_layer.dart
index a64153165..e587e2540 100644
--- a/lib/common/widgets/network_img_layer.dart
+++ b/lib/common/widgets/network_img_layer.dart
@@ -68,7 +68,7 @@ class NetworkImgLayer extends StatelessWidget {
                           : StyleString.imgRadius.x,
             ),
             child: CachedNetworkImage(
-              imageUrl: imageUrl,
+              imageUrl: imageUrl.http2https,
               width: width,
               height:
                   ignoreHeight == null || ignoreHeight == false ? height : null,
diff --git a/lib/pages/preview/view.dart b/lib/pages/preview/view.dart
index 57d30a615..24760246f 100644
--- a/lib/pages/preview/view.dart
+++ b/lib/pages/preview/view.dart
@@ -2,6 +2,7 @@
 
 import 'dart:io';
 
+import 'package:PiliPalaX/utils/extension.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_smart_dialog/flutter_smart_dialog.dart';
 import 'package:get/get.dart';
@@ -35,15 +36,18 @@ class _ImagePreviewState extends State<ImagePreview>
   late DoubleClickAnimationListener _doubleClickAnimationListener;
   List<double> doubleTapScales = <double>[1.0, 2.0];
   bool _dismissDisabled = false;
+  List<String>? imgList;
 
   @override
   void initState() {
     super.initState();
 
+    imgList = widget.imgList?.map((url) => url.http2https).toList();
+
     _previewController.initialPage.value = widget.initialPage!;
     _previewController.currentPage.value = widget.initialPage! + 1;
-    _previewController.imgList.value = widget.imgList!;
-    _previewController.currentImgUrl = widget.imgList![widget.initialPage!];
+    _previewController.imgList.value = imgList!;
+    _previewController.currentImgUrl = imgList![widget.initialPage!];
     // animationController = AnimationController(
     //     vsync: this, duration: const Duration(milliseconds: 400));
     setStatusBar();
@@ -149,10 +153,10 @@ class _ImagePreviewState extends State<ImagePreview>
                 canScrollPage: (GestureDetails? gestureDetails) =>
                     gestureDetails?.totalScale == null ||
                     gestureDetails!.totalScale! <= 1.0,
-                itemCount: widget.imgList!.length,
+                itemCount: imgList!.length,
                 itemBuilder: (BuildContext context, int index) {
                   return ExtendedImage.network(
-                    widget.imgList![index],
+                    imgList![index],
                     fit: BoxFit.contain,
                     mode: ExtendedImageMode.gesture,
                     handleLoadingProgress: true,
@@ -262,7 +266,7 @@ class _ImagePreviewState extends State<ImagePreview>
                 child: Row(
                   mainAxisAlignment: MainAxisAlignment.spaceBetween,
                   children: [
-                    widget.imgList!.length > 1
+                    imgList!.length > 1
                         ? Obx(
                             () => Text.rich(
                               textAlign: TextAlign.center,
@@ -274,9 +278,7 @@ class _ImagePreviewState extends State<ImagePreview>
                                         text: _previewController.currentPage
                                             .toString()),
                                     const TextSpan(text: ' / '),
-                                    TextSpan(
-                                        text:
-                                            widget.imgList!.length.toString()),
+                                    TextSpan(text: imgList!.length.toString()),
                                   ]),
                             ),
                           )
diff --git a/lib/pages/search/widgets/hot_keyword.dart b/lib/pages/search/widgets/hot_keyword.dart
index a2b0452b8..9b6ba7292 100644
--- a/lib/pages/search/widgets/hot_keyword.dart
+++ b/lib/pages/search/widgets/hot_keyword.dart
@@ -1,4 +1,5 @@
 // ignore: file_names
+import 'package:PiliPalaX/utils/extension.dart';
 import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 
@@ -50,7 +51,9 @@ class HotKeyword extends StatelessWidget {
                           SizedBox(
                             height: 15,
                             child: CachedNetworkImage(
-                                imageUrl: i.icon!, height: 15.0),
+                              imageUrl: (i.icon as String).http2https,
+                              height: 15.0,
+                            ),
                           ),
                       ],
                     ),
diff --git a/lib/utils/extension.dart b/lib/utils/extension.dart
index 041d733d9..d148292ee 100644
--- a/lib/utils/extension.dart
+++ b/lib/utils/extension.dart
@@ -41,3 +41,7 @@ extension ListExt<T> on List<T>? {
 
   bool ne(List<T>? other) => !eq(other);
 }
+
+extension StringExt on String {
+  String get http2https => replaceFirst(RegExp("^http://"), "https://");
+}