diff --git a/app/build.gradle b/app/build.gradle
index 864ea64b..23f090cf 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -21,7 +21,7 @@ android {
         minSdkVersion 16
         targetSdkVersion 30
         versionCode 58
-        versionName "5.0-hotfix2"
+        versionName "5.0-hotfix3"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
     }
@@ -99,7 +99,7 @@ dependencies {
     implementation 'com.andrognito.patternlockview:patternlockview:1.0.0'
     //implementation 'com.andrognito.pinlockview:pinlockview:2.1.0'
     implementation "ru.noties.markwon:core:3.1.0"
-    implementation ("xyz.quaver:libpupil:1.5") {
+    implementation ("xyz.quaver:libpupil:1.6") {
         exclude group: 'org.jetbrains.kotlinx', module: 'kotlinx-serialization-core-jvm'
     }
     implementation "xyz.quaver:documentfilex:0.2.15"
diff --git a/app/src/main/java/xyz/quaver/pupil/services/DownloadService.kt b/app/src/main/java/xyz/quaver/pupil/services/DownloadService.kt
index 8123dcaa..6348dbb4 100644
--- a/app/src/main/java/xyz/quaver/pupil/services/DownloadService.kt
+++ b/app/src/main/java/xyz/quaver/pupil/services/DownloadService.kt
@@ -215,7 +215,7 @@ class DownloadService : Service() {
             val ext = call.request().url().encodedPath().split('.').last()
 
             kotlin.runCatching {
-                val image = response.body()?.use { it.bytes() } ?: throw Exception()
+                val image = response.also { if (it.code() != 200) throw IOException() }.body()?.use { it.bytes() } ?: throw Exception()
 
                 CoroutineScope(Dispatchers.IO).launch {
                     kotlin.runCatching {
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt b/app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt
index e805bb0f..b02fcee0 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/LockActivity.kt
@@ -39,10 +39,10 @@ import xyz.quaver.pupil.util.Lock
 import xyz.quaver.pupil.util.LockManager
 import xyz.quaver.pupil.util.Preferences
 
+private var lastUnlocked = 0L
 class LockActivity : AppCompatActivity() {
 
     private lateinit var lockManager: LockManager
-    private var lastUnlocked = 0L
     private var mode: String? = null
 
     private val patternLockFragment = PatternLockFragment().apply {
diff --git a/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageFavoritesFragment.kt b/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageFavoritesFragment.kt
index e190e22c..cba64dfa 100644
--- a/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageFavoritesFragment.kt
+++ b/app/src/main/java/xyz/quaver/pupil/ui/fragment/ManageFavoritesFragment.kt
@@ -62,6 +62,11 @@ class ManageFavoritesFragment : PreferenceFragmentCompat() {
                 }
 
                 override fun onResponse(call: Call, response: Response) {
+                    if (response.code() != 200) {
+                        response.close()
+                        return
+                    }
+
                     Intent(Intent.ACTION_SEND).apply {
                         type = "text/plain"
                         putExtra(Intent.EXTRA_TEXT, response.body()?.use { it.string() }?.replace("\n", ""))
diff --git a/app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt b/app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt
index 2cb02ed4..edd22251 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/download/DownloadWorker.kt
@@ -277,6 +277,12 @@ class DownloadWorker private constructor(context: Context) : ContextWrapper(cont
                 }
 
                 override fun onResponse(call: Call, response: Response) {
+                    if (response.code() != 200) {
+                        response.close()
+                        onFailure(call, IOException())
+                        return
+                    }
+
                     val ext = call.request().url().encodedPath().split('.').last()
 
                     try {
diff --git a/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt b/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt
index 87267404..94f15db4 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/downloader/Cache.kt
@@ -37,6 +37,7 @@ import xyz.quaver.io.FileX
 import xyz.quaver.io.util.*
 import xyz.quaver.pupil.client
 import xyz.quaver.pupil.util.Preferences
+import java.io.IOException
 
 @Serializable
 data class Metadata(
@@ -138,7 +139,7 @@ class Cache private constructor(context: Context, val galleryID: Int) : ContextW
                         .url(it)
                         .build()
 
-                    client.newCall(request).execute().body()?.use { it.bytes() }
+                    client.newCall(request).execute().also { if (it.code() != 200) throw IOException() }.body()?.use { it.bytes() }
                 }.getOrNull()?.also { kotlin.run {
                     cacheFolder.getChild(".thumbnail").writeBytes(it)
                 } }
diff --git a/app/src/main/java/xyz/quaver/pupil/util/update.kt b/app/src/main/java/xyz/quaver/pupil/util/update.kt
index 3d3978ba..f269a326 100644
--- a/app/src/main/java/xyz/quaver/pupil/util/update.kt
+++ b/app/src/main/java/xyz/quaver/pupil/util/update.kt
@@ -214,7 +214,7 @@ fun restore(url: String, onFailure: ((Throwable) -> Unit)? = null, onSuccess: ((
 
         override fun onResponse(call: Call, response: Response) {
             kotlin.runCatching {
-                Json.decodeFromString<List<Int>>(response.body().use { it?.string() } ?: "[]").let {
+                Json.decodeFromString<List<Int>>(response.also { if (it.code() != 200) throw IOException() }.body().use { it?.string() } ?: "[]").let {
                     favorites.addAll(it)
                     onSuccess?.invoke(it)
                 }