diff --git a/Pixiview/Illust/FavoritesPage.xaml.cs b/Pixiview/Illust/FavoritesPage.xaml.cs
index a77bd32..09b830d 100644
--- a/Pixiview/Illust/FavoritesPage.xaml.cs
+++ b/Pixiview/Illust/FavoritesPage.xaml.cs
@@ -80,7 +80,7 @@ namespace Pixiview.Illust
             {
                 return;
             }
-            await scrollView.ScrollToAsync(0, -topOffset, true);
+            await ScrollToTopAsync(scrollView);
             flag = false;
             lastUpdated = default;
             StartLoad(true);
diff --git a/Pixiview/Illust/IllustCollectionPage.cs b/Pixiview/Illust/IllustCollectionPage.cs
index 87a3114..0e233a9 100644
--- a/Pixiview/Illust/IllustCollectionPage.cs
+++ b/Pixiview/Illust/IllustCollectionPage.cs
@@ -185,6 +185,16 @@ namespace Pixiview.Illust
             return collection;
         }
 
+        protected void InvalidateCollection()
+        {
+            var collection = IllustCollection;
+            if (collection != null)
+            {
+                collection.Running = false;
+                IllustCollection = null;
+            }
+        }
+
         protected virtual void StartLoad(bool force = false, bool isBottom = false)
         {
             if (force || lastUpdated != LastUpdated)
@@ -200,6 +210,7 @@ namespace Pixiview.Illust
                     }
                     else
                     {
+                        InvalidateCollection();
                         IsLoading = true;
                     }
 #if __IOS__
@@ -222,6 +233,7 @@ namespace Pixiview.Illust
                     }
                     else
                     {
+                        InvalidateCollection();
                         IsLoading = true;
                     }
                     indicator.Animate("margin", top =>
@@ -282,6 +294,14 @@ namespace Pixiview.Illust
             }
         }
 
+        protected async Task ScrollToTopAsync(ScrollView scrollView)
+        {
+            if (scrollView.ScrollY > -topOffset)
+            {
+                await scrollView.ScrollToAsync(0, -topOffset, true);
+            }
+        }
+
         protected DataTemplate GetCardViewTemplate(bool hideUser = false)
         {
             return new DataTemplate(() =>
diff --git a/Pixiview/Illust/MainPage.xaml.cs b/Pixiview/Illust/MainPage.xaml.cs
index 6bbe48b..bf1d31f 100644
--- a/Pixiview/Illust/MainPage.xaml.cs
+++ b/Pixiview/Illust/MainPage.xaml.cs
@@ -59,7 +59,7 @@ namespace Pixiview.Illust
             {
                 return;
             }
-            await scrollView.ScrollToAsync(0, -topOffset, true);
+            await ScrollToTopAsync(scrollView);
             StartLoad(true);
         }
 
diff --git a/Pixiview/Illust/RankingPage.xaml.cs b/Pixiview/Illust/RankingPage.xaml.cs
index 626783d..ecb94f7 100644
--- a/Pixiview/Illust/RankingPage.xaml.cs
+++ b/Pixiview/Illust/RankingPage.xaml.cs
@@ -355,9 +355,8 @@ namespace Pixiview.Illust
 
         private async void PrepareLoad()
         {
-            await scrollView.ScrollToAsync(0, -topOffset, true);
+            await ScrollToTopAsync(scrollView);
             // release
-            ReleaseCollection();
             previousEnabled = false;
             dateEnabled = false;
             nextEnabled = false;
@@ -367,12 +366,7 @@ namespace Pixiview.Illust
 
         private void ReleaseCollection()
         {
-            var collection = IllustCollection;
-            if (collection != null)
-            {
-                collection.Running = false;
-                IllustCollection = null;
-            }
+            InvalidateCollection();
             currentPage = 1;
         }
     }
diff --git a/Pixiview/Illust/RecommendsPage.xaml.cs b/Pixiview/Illust/RecommendsPage.xaml.cs
index 5194f2c..6a37423 100644
--- a/Pixiview/Illust/RecommendsPage.xaml.cs
+++ b/Pixiview/Illust/RecommendsPage.xaml.cs
@@ -343,7 +343,7 @@ namespace Pixiview.Illust
             {
                 return;
             }
-            await scrollView.ScrollToAsync(0, -topOffset, true);
+            await ScrollToTopAsync(scrollView);
             StartLoad(true);
         }
     }
diff --git a/Pixiview/Illust/RelatedIllustsPage.xaml.cs b/Pixiview/Illust/RelatedIllustsPage.xaml.cs
index b7f835f..0faf4a2 100644
--- a/Pixiview/Illust/RelatedIllustsPage.xaml.cs
+++ b/Pixiview/Illust/RelatedIllustsPage.xaml.cs
@@ -97,14 +97,7 @@ namespace Pixiview.Illust
             {
                 return;
             }
-            await scrollView.ScrollToAsync(0, -topOffset, true);
-            // release
-            var collection = IllustCollection;
-            if (collection != null)
-            {
-                collection.Running = false;
-                IllustCollection = null;
-            }
+            await ScrollToTopAsync(scrollView);
             startIndex = -1;
             nextIndex = 0;
             illustIds = null;
diff --git a/Pixiview/Illust/UserIllustPage.xaml.cs b/Pixiview/Illust/UserIllustPage.xaml.cs
index 1abfdb0..486830c 100644
--- a/Pixiview/Illust/UserIllustPage.xaml.cs
+++ b/Pixiview/Illust/UserIllustPage.xaml.cs
@@ -107,7 +107,7 @@ namespace Pixiview.Illust
             {
                 return;
             }
-            await scrollView.ScrollToAsync(0, -topOffset, true);
+            await ScrollToTopAsync(scrollView);
             // release
             var collection = IllustCollection;
             if (collection != null)