diff --git a/TinTeaTechAnnotationProcessor/src/main/java/com/xkball/tin_tea_tech/util/CodecManager.java b/TinTeaTechAnnotationProcessor/src/main/java/com/xkball/tin_tea_tech/util/CodecManager.java
index 92b3c6c..2ac804a 100644
--- a/TinTeaTechAnnotationProcessor/src/main/java/com/xkball/tin_tea_tech/util/CodecManager.java
+++ b/TinTeaTechAnnotationProcessor/src/main/java/com/xkball/tin_tea_tech/util/CodecManager.java
@@ -1,5 +1,6 @@
 package com.xkball.tin_tea_tech.util;
 
+import com.github.javaparser.ParserConfiguration;
 import com.github.javaparser.StaticJavaParser;
 import com.sun.tools.javac.api.JavacTrees;
 import com.sun.tools.javac.code.Symtab;
@@ -112,6 +113,7 @@ public static void addCodec(String type, String codecTypeName, String codecRef,
     }
     
     public static void readFromSources() {
+        StaticJavaParser.getParserConfiguration().setLanguageLevel(ParserConfiguration.LanguageLevel.JAVA_21);
         for (var env : enter.getEnvs()) {
             var tree = env.tree;
             if (!(tree instanceof JCTree.JCClassDecl classTree)) return;
diff --git a/TinTeaTechAnnotationProcessor/src/main/resources/META-INF/com.xkball.codec_provider b/TinTeaTechAnnotationProcessor/src/main/resources/META-INF/com.xkball.codec_provider
deleted file mode 100644
index e69de29..0000000
diff --git a/build.gradle b/build.gradle
index 7bdf9a5..d0cad0a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,41 +8,6 @@ plugins {
     id 'net.neoforged.moddev' version '2.0.16-beta'
 }
 
-
-//from https://github.com/teaconmc/PowerTool/blob/1.21-neoforge/build.gradle
-abstract class TeaConDumpPathToGitHub extends DefaultTask {
-    @Input
-    abstract Property<String> getPublishName()
-    @InputFile
-    abstract RegularFileProperty getTargetFile()
-    @TaskAction
-    void dump() {
-        if (System.env.GITHUB_ACTIONS) {
-            File theFile = targetFile.getAsFile().get()
-
-            def outputFile = new File(System.env.GITHUB_OUTPUT)
-            // Use the env-specific line separator for maximally possible compatibility
-            def newLine = System.getProperty('line.separator')
-            println outputFile.name
-            println theFile.name
-            // Write out new env variable for later usage
-            outputFile << newLine << "artifact_name=${theFile.getName()}"
-            outputFile << newLine << "artifact_publish_name=${publishName.get()}"
-            outputFile << newLine << "artifact_path=${theFile.absolutePath}"
-        }
-    }
-}
-
-tasks.register("githubActionOutput", TeaConDumpPathToGitHub) { task ->
-    task.onlyIf {
-        System.env.GITHUB_ACTIONS
-    }
-    var endfix = System.env.VERSION_IDENTIFIER +"-"+  LocalDateTime.now(ZoneOffset.ofHours(8)).format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
-    task.getPublishName().set("${jar.archiveBaseName.get()}-${version}-${endfix}-nightly.jar")
-    task.getTargetFile().set(jar.archiveFile)
-}
-
-
 tasks.named('wrapper', Wrapper).configure {
     // Define wrapper values here so as to not have to always do so when updating gradlew.properties.
     // Switching this to Wrapper.DistributionType.ALL will download the full gradle sources that comes with
@@ -62,6 +27,11 @@ repositories {
 
 base {
     archivesName = mod_id
+    if(System.env.GITHUB_ACTIONS){
+        var endfix = System.env.VERSION_IDENTIFIER +"-"+  LocalDateTime.now(ZoneOffset.ofHours(8)).format(DateTimeFormatter.ISO_LOCAL_DATE_TIME).replace(':','-')
+        archivesName="${archivesName.get()}-${version}-${endfix}-nightly"
+        version=''
+    }
 }
 
 // Mojang ships Java 21 to end users starting in 1.20.5, so mods should target Java 21.
@@ -245,6 +215,7 @@ jar {
     from("build/classes/java/main/META-INF"){
         include '**/*'
         into 'META-INF'
+        duplicatesStrategy = DuplicatesStrategy.INCLUDE
     }
 
 }