diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
index f2e2ed9d5..09f88e36c 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhEngine.java
@@ -200,6 +200,10 @@ public class EhEngine {
             }
         }
 
+        for (GalleryInfo info : list) {
+            info.thumb = EhUrl.getFixedPreviewThumbUrl(info.thumb);
+        }
+
         return result;
     }
 
@@ -448,6 +452,10 @@ public class EhEngine {
             fillGalleryListByApi(task, okHttpClient, result.galleryInfoList);
         }
 
+        for (GalleryInfo info : result.galleryInfoList) {
+            info.thumb = EhUrl.getFixedPreviewThumbUrl(info.thumb);
+        }
+
         return result;
     }
 
@@ -555,6 +563,10 @@ public class EhEngine {
             fillGalleryListByApi(task, okHttpClient, result.galleryInfoList);
         }
 
+        for (GalleryInfo info : result.galleryInfoList) {
+            info.thumb = EhUrl.getFixedPreviewThumbUrl(info.thumb);
+        }
+
         return result;
     }
 
@@ -619,6 +631,10 @@ public class EhEngine {
             fillGalleryListByApi(task, okHttpClient, list);
         }
 
+        for (GalleryInfo info : list) {
+            info.thumb = EhUrl.getFixedPreviewThumbUrl(info.thumb);
+        }
+
         return list;
     }
 
@@ -802,6 +818,10 @@ public class EhEngine {
             }
         }
 
+        for (GalleryInfo info : list) {
+            info.thumb = EhUrl.getFixedPreviewThumbUrl(info.thumb);
+        }
+
         return result;
     }
 
diff --git a/app/src/main/java/com/hippo/ehviewer/client/EhUrl.java b/app/src/main/java/com/hippo/ehviewer/client/EhUrl.java
index e409f7c7a..b58a67651 100644
--- a/app/src/main/java/com/hippo/ehviewer/client/EhUrl.java
+++ b/app/src/main/java/com/hippo/ehviewer/client/EhUrl.java
@@ -128,10 +128,10 @@ public class EhUrl {
     public static String getThumbUrlPrefix() {
         switch (Settings.getGallerySite()) {
             default:
-            case SITE_G:
+            //case SITE_G:
                 return URL_PREFIX_THUMB_G;
-            case SITE_EX:
-                return URL_PREFIX_THUMB_EX;
+            //case SITE_EX:
+            //    return URL_PREFIX_THUMB_EX;
         }
     }