diff --git a/src/zh/dmzj/build.gradle b/src/zh/dmzj/build.gradle
index 272c51b46..7502fdfd9 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 = 24
+    extVersionCode = 25
 }
 
 dependencies {
diff --git a/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/protobuf/V4apiComicDetailResponse.kt b/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/protobuf/V4apiComicDetailResponse.kt
index 3af11c605..cbe0604ad 100644
--- a/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/protobuf/V4apiComicDetailResponse.kt
+++ b/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/protobuf/V4apiComicDetailResponse.kt
@@ -61,6 +61,6 @@ data class ComicDetailChapterInfoResponse(
     @ProtoNumber(1) val ChapterId: Int,
     @ProtoNumber(2) val ChapterTitle: String,
     @ProtoNumber(3) val Updatetime: Long,
-    @ProtoNumber(4) val Filesize: Int,
+    @ProtoNumber(4) val Filesize: Int = 0,
     @ProtoNumber(5) val ChapterOrder: Int = 0,
 )