diff --git a/build.gradle b/build.gradle
index f7048f8..25fc861 100644
--- a/build.gradle
+++ b/build.gradle
@@ -23,7 +23,7 @@ dependencies {
     compileOnly "io.projectreactor:reactor-core:3.5.1"
     compileOnly "org.springframework:spring-webflux:6.0.3"
     compileOnly "org.springdoc:springdoc-openapi-starter-webflux-api:2.0.2"
-    compileOnly files('lib/api-0.4.0.jar')
+    compileOnly files('lib/api-0.6.0.jar')
 
     // lombok
     compileOnly "org.projectlombok:lombok:$lombok"
diff --git a/gradle.properties b/gradle.properties
index c35e129..4431435 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,3 @@
 group=run.ikaros.jellyfin
 description=A jellyfin plugin for ikaros.
-version=0.4.0
\ No newline at end of file
+version=0.5.0
\ No newline at end of file
diff --git a/lib/api-0.4.0-sources.jar b/lib/api-0.6.0-sources.jar
similarity index 57%
rename from lib/api-0.4.0-sources.jar
rename to lib/api-0.6.0-sources.jar
index fc83560..22f1715 100644
Binary files a/lib/api-0.4.0-sources.jar and b/lib/api-0.6.0-sources.jar differ
diff --git a/lib/api-0.4.0.jar b/lib/api-0.6.0.jar
similarity index 61%
rename from lib/api-0.4.0.jar
rename to lib/api-0.6.0.jar
index cddfe4e..943208d 100644
Binary files a/lib/api-0.4.0.jar and b/lib/api-0.6.0.jar differ
diff --git a/src/main/java/run/ikaros/jellyfin/MediaDirInit.java b/src/main/java/run/ikaros/jellyfin/MediaDirInit.java
index 7405767..2facf45 100644
--- a/src/main/java/run/ikaros/jellyfin/MediaDirInit.java
+++ b/src/main/java/run/ikaros/jellyfin/MediaDirInit.java
@@ -11,6 +11,7 @@
 import run.ikaros.api.core.subject.*;
 import run.ikaros.api.infra.properties.IkarosProperties;
 import run.ikaros.api.infra.utils.FileUtils;
+import run.ikaros.api.store.enums.EpisodeGroup;
 import run.ikaros.api.store.enums.FileType;
 import run.ikaros.api.store.enums.SubjectSyncPlatform;
 import run.ikaros.api.wrap.PagingWrap;
@@ -202,13 +203,13 @@ private void linkEpisodeFileAndGenerateNfo(Optional<String> bgmTvIdOp,
                     targetEpisodeFile.getAbsolutePath(), epFileAbsolutePath, e);
             }
             // generate nfo file
-           Double sequence = episode.getSequence();
+           Integer sequence = episode.getSequence();
             if (!episodeNfoFile.exists()) {
                 XmlUtils.generateJellyfinEpisodeNfoXml(episodeNfoFile.getAbsolutePath(),
                     episode.getDescription(),
                     StringUtils.hasText(episode.getNameCn()) ? episode.getNameCn() :
                         episode.getName(),
-                    DoubleUtils.isInt(sequence) ? "1" : "0",
+                    EpisodeGroup.MAIN.name().equalsIgnoreCase(episode.getGroup()) ? "1" : "0",
                     String.valueOf(DoubleUtils.castInt(sequence)), bgmTvIdOp.orElse(""));
                 log.debug("create episode nfo file, episode:[{}], nfo file path:[{}].",
                     episode.getName(), episodeNfoFile.getAbsolutePath());
diff --git a/src/main/resources/plugin.yaml b/src/main/resources/plugin.yaml
index a74755e..f83122b 100644
--- a/src/main/resources/plugin.yaml
+++ b/src/main/resources/plugin.yaml
@@ -4,8 +4,8 @@ name: PluginJellyfin
 # plugin entry class that extends BasePlugin
 clazz: run.ikaros.jellyfin.JellyfinPlugin
 # plugin 'version' is a valid semantic version string (see semver.org).
-version: 0.4.0
-requires: ">=0.4.0"
+version: 0.5.0
+requires: ">=0.6.0"
 author:
   name: Ikaros OSS Team
   website: https://github.com/ikaros-dev