diff --git a/.idea/kotlinc.xml b/.idea/kotlinc.xml
index 2d95299..25143de 100644
--- a/.idea/kotlinc.xml
+++ b/.idea/kotlinc.xml
@@ -3,4 +3,7 @@
   <component name="Kotlin2JvmCompilerArguments">
     <option name="jvmTarget" value="17" />
   </component>
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.9.0" />
+  </component>
 </project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 78b34f6..1ebec2f 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,7 +4,7 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="true" project-jdk-name="zulu-21" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="zulu-21" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/gradle.properties b/gradle.properties
index d5c3a88..d03af81 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,6 +1,6 @@
 group = cn.lunadeer
-version = 1.21-R0.1-SNAPSHOT
-mcVersion = 1.21
+version = 1.20.6-R0.1-SNAPSHOT
+mcVersion = 1.20.6
 
 foliaRef = d79708296e75ee4f26e78c2925f6e7d4217d0575