java.lang.IllegalArgumentException: 无效的源发行版: 1.8

[puXiaoyi]

Codec simpleTypeCodec = ProtobufProxy.create(SimpleTypeTest.class);

cause = {IllegalArgumentException@9262} "java.lang.IllegalArgumentException: 无效的源发行版: 1.8"
detailMessage = "无效的源发行版: 1.8"
cause = {IllegalArgumentException@9262} "java.lang.IllegalArgumentException: 无效的源发行版: 1.8"
stackTrace = {StackTraceElement[19]@9277}
0 = {StackTraceElement@9280} "com.sun.tools.javac.main.RecognizedOptions$GrumpyHelper.error(RecognizedOptions.java:88)"
1 = {StackTraceElement@9281} "com.sun.tools.javac.main.RecognizedOptions$9.process(RecognizedOptions.java:348)"
2 = {StackTraceElement@9282} "com.sun.tools.javac.api.JavacTool.processOptions(JavacTool.java:242)"
3 = {StackTraceElement@9283} "com.sun.tools.javac.api.JavacTool.getTask(JavacTool.java:199)"
4 = {StackTraceElement@9284} "com.sun.tools.javac.api.JavacTool.getTask(JavacTool.java:68)"
5 = {StackTraceElement@9285} "com.baidu.bjf.remoting.protobuf.utils.compiler.JdkCompiler.doCompile(JdkCompiler.java:201)"
6 = {StackTraceElement@9286} "com.baidu.bjf.remoting.protobuf.utils.compiler.AbstractCompiler.compile(AbstractCompiler.java:46)"
7 = {StackTraceElement@9287} "com.baidu.bjf.remoting.protobuf.ProtobufProxy.doCreate(ProtobufProxy.java:274)"
8 = {StackTraceElement@9288} "com.baidu.bjf.remoting.protobuf.ProtobufProxy.create(ProtobufProxy.java:174)"
9 = {StackTraceElement@9289} "com.baidu.bjf.remoting.protobuf.ProtobufProxy.create(ProtobufProxy.java:155)"
10 = {StackTraceElement@9290} "com.baidu.bjf.remoting.protobuf.ProtobufProxy.create(ProtobufProxy.java:128)"
11 = {StackTraceElement@9291} "com.baidu.bjf.remoting.protobuf.ProtobufProxy.create(ProtobufProxy.java:116)"

java:jdk1.8.0_281
jprotobuf:jprotobuf-2.4.20.jar
protobuf:3.25.0

IDEA的Project Settting和Settings 都统一设置了正确的jdk版本和语言级别，请问出现这样的报错可能是什么原因，谢谢