diff --git a/app/src/main/java/com/hippo/ehviewer/AppConfig.java b/app/src/main/java/com/hippo/ehviewer/AppConfig.java
index 0e3e642c8..279e60eb7 100644
--- a/app/src/main/java/com/hippo/ehviewer/AppConfig.java
+++ b/app/src/main/java/com/hippo/ehviewer/AppConfig.java
@@ -63,7 +63,6 @@ public class AppConfig {
      */
     @Nullable
     public static File getDirInExternalAppDir(String filename) {
-
         File appFolder = getExternalAppDir();
         if (appFolder != null) {
             File dir = new File(appFolder, filename);
diff --git a/app/src/main/java/com/hippo/ehviewer/EhApplication.java b/app/src/main/java/com/hippo/ehviewer/EhApplication.java
index 57b9fa902..63be24155 100644
--- a/app/src/main/java/com/hippo/ehviewer/EhApplication.java
+++ b/app/src/main/java/com/hippo/ehviewer/EhApplication.java
@@ -217,7 +217,7 @@ public class EhApplication extends RecordingApplication {
             builder.memoryCacheMaxSize = getMemoryCacheMaxSize();
             builder.hasDiskCache = true;
             builder.diskCacheDir = new File(context.getCacheDir(), "thumb");
-            builder.diskCacheMaxSize = 80 * 1024 * 1024; // 80MB
+            builder.diskCacheMaxSize = 320 * 1024 * 1024; // 320MB
             builder.okHttpClient = getOkHttpClient(context);
             builder.objectHelper = getImageBitmapHelper(context);
             builder.debug = DEBUG_CONACO;
@@ -247,7 +247,7 @@ public class EhApplication extends RecordingApplication {
         EhApplication application = ((EhApplication) context.getApplicationContext());
         if (null == application.mSpiderInfoCache) {
             application.mSpiderInfoCache = new SimpleDiskCache(
-                    new File(context.getCacheDir(), "spider_info"), 5 * 1024 * 1024); // 5M
+                    new File(context.getCacheDir(), "spider_info"), 20 * 1024 * 1024); // 20M
         }
         return application.mSpiderInfoCache;
     }
@@ -418,9 +418,6 @@ public class EhApplication extends RecordingApplication {
         if (null != dir) {
             FileUtils.deleteContent(dir);
         }
-
-        // Add .nomedia to external temp dir
-        CommonOperations.ensureNoMediaFile(UniFile.fromFile(AppConfig.getExternalTempDir()));
     }
 
     private void update() {
diff --git a/app/src/main/java/com/hippo/ehviewer/Settings.java b/app/src/main/java/com/hippo/ehviewer/Settings.java
index 3d62df77f..665e7a4ec 100755
--- a/app/src/main/java/com/hippo/ehviewer/Settings.java
+++ b/app/src/main/java/com/hippo/ehviewer/Settings.java
@@ -92,7 +92,7 @@ public class Settings {
     public static final String DEFAULT_SECURITY = "";
     public static final String KEY_ENABLE_FINGERPRINT = "enable_fingerprint";
     public static final String KEY_READ_CACHE_SIZE = "read_cache_size";
-    public static final int DEFAULT_READ_CACHE_SIZE = 160;
+    public static final int DEFAULT_READ_CACHE_SIZE = 320;
     public static final String KEY_BUILT_IN_HOSTS = "built_in_hosts_2";
     public static final String KEY_DOH = "dns_over_https";
     public static final String KEY_DOMAIN_FRONTING = "domain_fronting";
diff --git a/app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.java b/app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.java
index 66bcba26a..307ffbe28 100644
--- a/app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.java
+++ b/app/src/main/java/com/hippo/ehviewer/spider/SpiderDen.java
@@ -61,7 +61,7 @@ public final class SpiderDen {
 
     public static void initialize(Context context) {
         sCache = new SimpleDiskCache(new File(context.getCacheDir(), "image"),
-                MathUtils.clamp(Settings.getReadCacheSize(), 40, 640) * 1024 * 1024);
+                MathUtils.clamp(Settings.getReadCacheSize(), 40, 1280) * 1024 * 1024);
     }
 
     public static UniFile getGalleryDownloadDir(GalleryInfo galleryInfo) {
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 51b9ad4a0..2e5bc1039 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -227,6 +227,7 @@
         <item>160 MB</item>
         <item>320 MB</item>
         <item>640 MB</item>
+        <item>1280 MB</item>
     </string-array>
 
     <string-array name="read_cache_size_entry_values" translatable="false">
@@ -235,6 +236,7 @@
         <item>160</item>
         <item>320</item>
         <item>640</item>
+        <item>1280</item>
     </string-array>
 
     <string-array name="filter_entries">
diff --git a/app/src/main/res/xml/advanced_settings.xml b/app/src/main/res/xml/advanced_settings.xml
index 385eba565..7594636f0 100644
--- a/app/src/main/res/xml/advanced_settings.xml
+++ b/app/src/main/res/xml/advanced_settings.xml
@@ -50,7 +50,7 @@
         app:iconSpaceReserved="false" />
 
     <com.takisoft.preferencex.SimpleMenuPreference
-        android:defaultValue="160"
+        android:defaultValue="320"
         android:key="read_cache_size"
         android:summary="%s"
         android:title="@string/settings_advanced_read_cache_size"