diff --git a/src/zh/copymangas/build.gradle.kts b/src/zh/copymangas/build.gradle.kts
index 3fdb1838bb9..af570d865f5 100644
--- a/src/zh/copymangas/build.gradle.kts
+++ b/src/zh/copymangas/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 
 keiyoushi {
     name = "CopyMangas"
-    versionCode = 57
+    versionCode = 58
     contentWarning = ContentWarning.SAFE
     libVersion = "1.6"
 
diff --git a/src/zh/copymangas/proguard-rules.pro b/src/zh/copymangas/proguard-rules.pro
new file mode 100644
index 00000000000..2dc64d3ffb1
--- /dev/null
+++ b/src/zh/copymangas/proguard-rules.pro
@@ -0,0 +1,4 @@
+-keep class eu.kanade.tachiyomi.extension.zh.copymangas.CopyMangas {
+    public java.lang.Object getMangaDetails(eu.kanade.tachiyomi.source.model.SManga, kotlin.coroutines.Continuation);
+    public java.lang.Object getChapterList(eu.kanade.tachiyomi.source.model.SManga, kotlin.coroutines.Continuation);
+}
diff --git a/src/zh/copymangas/src/eu/kanade/tachiyomi/extension/zh/copymangas/CopyMangas.kt b/src/zh/copymangas/src/eu/kanade/tachiyomi/extension/zh/copymangas/CopyMangas.kt
index df2d8bc9ea2..b216d1f3bed 100644
--- a/src/zh/copymangas/src/eu/kanade/tachiyomi/extension/zh/copymangas/CopyMangas.kt
+++ b/src/zh/copymangas/src/eu/kanade/tachiyomi/extension/zh/copymangas/CopyMangas.kt
@@ -114,8 +114,15 @@ abstract class CopyMangas :
 
     override fun OkHttpClient.Builder.configureClient() = sslSocketFactory(sslContext.socketFactory, trustManager)
         .rateLimit(preferences.getString(CHAPTER_API_RATE_PREF, "15")!!.toInt(), 61.seconds) { it.toString().contains(chapterRatelimitRegex) }
-        .addInterceptor(CommentsInterceptor)
-        .addInterceptor(::responseInterceptor)
+        .apply {
+            interceptors().apply {
+                val uncaughtExceptionInterceptor = first { it.javaClass.simpleName == "UncaughtExceptionInterceptor" }
+                remove(uncaughtExceptionInterceptor)
+                add(0, uncaughtExceptionInterceptor)
+                add(1, ::responseInterceptor)
+            }
+            addInterceptor(CommentsInterceptor)
+        }
 
     private fun Headers.Builder.setUserAgent(userAgent: String) = set("User-Agent", userAgent)
     private fun Headers.Builder.setWebp(useWebp: Boolean) = set(
@@ -298,6 +305,22 @@ abstract class CopyMangas :
         apiHeaders,
     ).parseAs<ResultDto<MangaWrapperDto>>().results
 
+    suspend fun getMangaDetails(manga: SManga): SManga = getMangaDetails(manga.url.removePrefix(MangaDto.URL_PREFIX)).toSMangaDetails()
+
+    suspend fun getChapterList(manga: SManga): List<SChapter> {
+        val mangaSlug = manga.url.removePrefix(MangaDto.URL_PREFIX)
+        val mangaDetails = getMangaDetails(mangaSlug)
+        return fetchChapterList(mangaSlug, mangaDetails.groups)
+    }
+
+    private suspend fun fetchChapterList(manga: String, groups: ChapterGroups?): List<SChapter> {
+        val result = ArrayList<SChapter>()
+        for (group in groups.orEmpty().values) {
+            result += fetchChapterGroup(manga, group.path_word, group.name)
+        }
+        return result
+    }
+
     private suspend fun fetchChapterGroup(manga: String, key: String, name: String): List<SChapter> {
         val result = ArrayList<SChapter>(0)
         var offset = 0
@@ -326,15 +349,16 @@ abstract class CopyMangas :
         fetchDetails: Boolean,
         fetchChapters: Boolean,
     ): SMangaUpdate {
-        val mangaDetails = getMangaDetails(manga.url.removePrefix(MangaDto.URL_PREFIX))
-        val chapterList = ArrayList<SChapter>()
-        val groups = mangaDetails.groups!!.values
-        val mangaSlug = manga.url.removePrefix(MangaDto.URL_PREFIX)
-        for (group in groups) {
-            chapterList += fetchChapterGroup(mangaSlug, group.path_word, group.name)
+        if (!fetchDetails && !fetchChapters) {
+            return SMangaUpdate(manga, chapters)
         }
 
-        return SMangaUpdate(mangaDetails.toSMangaDetails(), chapterList)
+        val mangaSlug = manga.url.removePrefix(MangaDto.URL_PREFIX)
+        val mangaDetails = getMangaDetails(mangaSlug)
+        val updatedManga = if (fetchDetails) mangaDetails.toSMangaDetails() else manga
+        val chapterList = if (fetchChapters) fetchChapterList(mangaSlug, mangaDetails.groups) else chapters
+
+        return SMangaUpdate(updatedManga, chapterList)
     }
 
     override fun getChapterUrl(chapter: SChapter) = baseUrl + chapter.url.replace("/chapter2/", "/chapter/")
diff --git a/src/zh/copymangas/src/eu/kanade/tachiyomi/extension/zh/copymangas/CopyMangasDto.kt b/src/zh/copymangas/src/eu/kanade/tachiyomi/extension/zh/copymangas/CopyMangasDto.kt
index abc4c246330..43ea78f2c00 100644
--- a/src/zh/copymangas/src/eu/kanade/tachiyomi/extension/zh/copymangas/CopyMangasDto.kt
+++ b/src/zh/copymangas/src/eu/kanade/tachiyomi/extension/zh/copymangas/CopyMangasDto.kt
@@ -29,19 +29,19 @@ class MangaDto(
         thumbnail_url = cover.removeSuffix(".328x422.jpg")
     }
 
-    fun toSMangaDetails(groups: ChapterGroups) = toSManga().apply {
-        description = (
+    fun toSMangaDetails() = toSManga().apply {
+        description = brief?.let {
             if (convertToSc) {
-                ChineseUtils.toSimplified(brief)
+                ChineseUtils.toSimplified(it)
             } else {
-                brief
+                it
             }
-            )
-        genre = buildList(theme!!.size + 1) {
-            add(region!!.display)
-            theme.mapTo(this) { it.name }
+        }
+        genre = buildList {
+            this@MangaDto.region?.display?.let { add(it) }
+            this@MangaDto.theme.orEmpty().mapTo(this) { it.name }
         }.joinToString { ChineseUtils.toSimplified(it) }
-        status = when (this@MangaDto.status!!.value) {
+        status = when (this@MangaDto.status?.value) {
             0 -> SManga.ONGOING
             1 -> SManga.COMPLETED
             else -> SManga.UNKNOWN
@@ -89,7 +89,7 @@ class ValueDto(val value: Int, val display: String)
 @Serializable
 class MangaWrapperDto(val comic: MangaDto, val groups: ChapterGroups? = null) {
     fun toSManga() = comic.toSManga()
-    fun toSMangaDetails() = comic.toSMangaDetails(groups!!)
+    fun toSMangaDetails() = comic.toSMangaDetails()
 }
 
 typealias ChapterGroups = LinkedHashMap<String, KeywordDto>