diff --git a/src/zh/dmzj/build.gradle b/src/zh/dmzj/build.gradle
index 15dfe0d7a..a75be248e 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 = 20
+    extVersionCode = 21
     libVersion = '1.2'
 }
 
diff --git a/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/Dmzj.kt b/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/Dmzj.kt
index 0ffddb4ff..8562add66 100644
--- a/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/Dmzj.kt
+++ b/src/zh/dmzj/src/eu/kanade/tachiyomi/extension/zh/dmzj/Dmzj.kt
@@ -48,7 +48,7 @@ class Dmzj : ConfigurableSource, HttpSource() {
     private val v3apiUrl = "https://v3api.dmzj.com"
     private val v3ChapterApiUrl = "https://nnv3api.dmzj.com"
     // v3api now shutdown the functionality to fetch manga detail and chapter list, so move these logic to v4api
-    private val v4apiUrl = "https://nnv4api.dmzj.com" // https://v4api.dmzj.com
+    private val v4apiUrl = "https://nnv4api.dmzj1.com" // https://v4api.dmzj1.com
     private val apiUrl = "https://api.dmzj.com"
     private val oldPageListApiUrl = "https://api.m.dmzj.com"
     private val webviewPageListApiUrl = "https://m.dmzj.com/chapinfo"