diff --git a/src/zh/dmzj/build.gradle b/src/zh/dmzj/build.gradle
index dc1595fec..7a54301c7 100644
--- a/src/zh/dmzj/build.gradle
+++ b/src/zh/dmzj/build.gradle
@@ -6,7 +6,7 @@ ext {
     extName = 'DMZJ'
     pkgNameSuffix = 'zh.dmzj'
     extClass = '.Dmzj'
-    extVersionCode = 33
+    extVersionCode = 34
 }
 
 apply from: "$rootDir/common.gradle"
diff --git a/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/ApiV3.kt b/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/ApiV3.kt
index 2752ac34a..d9be298a3 100644
--- a/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/ApiV3.kt
+++ b/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/ApiV3.kt
@@ -48,7 +48,7 @@ object ApiV3 {
     class MangaDto(
         private val id: JsonPrimitive, // can be int or string
         private val title: String,
-        private val authors: String,
+        private val authors: String?,
         private val status: String,
         private val cover: String,
         private val types: String,
@@ -57,7 +57,7 @@ object ApiV3 {
         fun toSManga() = SManga.create().apply {
             url = getMangaUrl(id.content)
             title = this@MangaDto.title
-            author = authors.formatList()
+            author = authors?.formatList()
             genre = types.formatList()
             status = parseStatus(this@MangaDto.status)
             thumbnail_url = cover