From 67e873525b8d1cedeeb3cf8359b30f38059e09a7 Mon Sep 17 00:00:00 2001
From: Peijun Zhao <zys6913dev@gmail.com>
Date: Sat, 16 May 2026 16:34:13 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20Paper=20API=201.21.1=20?=
 =?UTF-8?q?=E5=85=BC=E5=AE=B9=E6=80=A7=EF=BC=9AJava=2017=20=E5=8D=87?=
 =?UTF-8?q?=E7=BA=A7=E8=87=B3=20Java=2021?=
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Content-Type: text/plain; charset=UTF-8
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Paper 1.21.1 API (class version 65) 要求 Java 21+ 运行时，
pom.xml compiler source/target 及 java.version 统一升级至 21
---
 CLAUDE.md |  2 +-
 pom.xml   | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/CLAUDE.md b/CLAUDE.md
index 73d7cf1..f621ff1 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -23,7 +23,7 @@
 
 ## 技术规范
 
-- Java 17，Spring Boot 3.2.0，Maven 3.9.6 (bundled)
+- Java 21，Spring Boot 3.2.0，Maven 3.9.6 (bundled)
 - 编译：`./apache-maven-3.9.6/bin/mvn compile`
 - 测试：`./apache-maven-3.9.6/bin/mvn test`
 - 打包：`./apache-maven-3.9.6/bin/mvn package -DskipTests`
diff --git a/pom.xml b/pom.xml
index 05fc314..687e6ab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -20,9 +20,9 @@
     </parent>
 
     <properties>
-        <java.version>17</java.version>
-        <maven.compiler.source>17</maven.compiler.source>
-        <maven.compiler.target>17</maven.compiler.target>
+        <java.version>21</java.version>
+        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.target>21</maven.compiler.target>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <smile.version>2.6.0</smile.version>
         <commons-math3.version>3.6.1</commons-math3.version>
@@ -136,8 +136,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.11.0</version>
                 <configuration>
-                    <source>17</source>
-                    <target>17</target>
+                    <source>21</source>
+                    <target>21</target>
                 </configuration>
             </plugin>
             <plugin>