docker安装成功后，ip+端口访问报错500，报错日志如下：
Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1011E: Method call: Attempted to call method groupBy() on null context object
2024-06-28 18:49:44 at org.springframework.expression.spel.ast.MethodReference.throwIfNotNullSafe(MethodReference.java:167) ~[spring-expression-6.1.8.jar:6.1.8]
2024-06-28 18:49:44 at org.springframework.expression.spel.ast.MethodReference.getValueRef(MethodReference.java:96) ~[spring-expression-6.1.8.jar:6.1.8]
2024-06-28 18:49:44 at org.springframework.expression.spel.ast.CompoundExpression.getValueRef(CompoundExpression.java:75) ~[spring-expression-6.1.8.jar:6.1.8]
2024-06-28 18:49:44 at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:96) ~[spring-expression-6.1.8.jar:6.1.8]
2024-06-28 18:49:44 at org.springframework.expression.spel.ast.SpelNodeImpl.getValue(SpelNodeImpl.java:114) ~[spring-expression-6.1.8.jar:6.1.8]
2024-06-28 18:49:44 at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:338) ~[spring-expression-6.1.8.jar:6.1.8]
2024-06-28 18:49:44 at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:265) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at run.halo.app.theme.ReactiveSpelVariableExpressionEvaluator.evaluate(ReactiveSpelVariableExpressionEvaluator.java:29) ~[classes/:2.16.3]
2024-06-28 18:49:44 at org.thymeleaf.standard.expression.VariableExpression.executeVariableExpression(VariableExpression.java:166) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.standard.expression.SimpleExpression.executeSimple(SimpleExpression.java:66) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.standard.expression.Expression.execute(Expression.java:109) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.standard.expression.Expression.execute(Expression.java:138) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.standard.expression.Expression.execute(Expression.java:125) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.standard.processor.StandardEachTagProcessor.doProcess(StandardEachTagProcessor.java:73) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.processor.element.AbstractAttributeTagProcessor.doProcess(AbstractAttributeTagProcessor.java:74) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.processor.element.AbstractElementTagProcessor.process(AbstractElementTagProcessor.java:95) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.util.ProcessorConfigurationUtils$ElementTagProcessorWrapper.process(ProcessorConfigurationUtils.java:633) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.engine.ProcessorTemplateHandler.handleOpenElement(ProcessorTemplateHandler.java:1314) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.engine.OpenElementTag.beHandled(OpenElementTag.java:205) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.engine.TemplateModel.process(TemplateModel.java:136) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.engine.TemplateManager.parseAndProcess(TemplateManager.java:592) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1103) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1077) ~[thymeleaf-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at org.thymeleaf.spring6.SpringWebFluxTemplateEngine.lambda$createFullStream$0(SpringWebFluxTemplateEngine.java:198) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
2024-06-28 18:49:44 at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:61) ~[reactor-core-3.6.6.jar:3.6.6]
2024-06-28 18:49:44 at reactor.core.publisher.Mono.subscribe(Mono.java:4568) ~[reactor-core-3.6.6.jar:3.6.6]
2024-06-28 18:49:44 at reactor.core.publisher.MonoSubscribeOn$SubscribeOnSubscriber.run(MonoSubscribeOn.java:126) ~[reactor-core-3.6.6.jar:3.6.6]
2024-06-28 18:49:44 at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:84) ~[reactor-core-3.6.6.jar:3.6.6]
2024-06-28 18:49:44 at reactor.core.scheduler.WorkerTask.call(WorkerTask.java:37) ~[reactor-core-3.6.6.jar:3.6.6]
2024-06-28 18:49:44 at java.base/java.util.concurrent.FutureTask.run(Unknown Source) ~[na:na]
2024-06-28 18:49:44 at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) ~[na:na]
2024-06-28 18:49:44 at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) ~[na:na]
2024-06-28 18:49:44 at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) ~[na:na]
2024-06-28 18:49:44 at java.base/java.lang.Thread.run(Unknown Source) ~[na:na]
另：访问后台/console点击主题预览时也是500，报错信息是这个：
[57e483e1-155] 500 Server Error for HTTP GET "/?preview-theme=theme-hellopage"
2024-06-28 18:53:37
2024-06-28 18:53:37 org.thymeleaf.exceptions.TemplateProcessingException: Exception evaluating SpringEL expression: "linkFinder.groupBy()" (template: "index" - line 143, col 19)
2024-06-28 18:53:37 at org.thymeleaf.spring6.expression.SPELVariableExpressionEvaluator.evaluate(SPELVariableExpressionEvaluator.java:292) ~[thymeleaf-spring6-3.1.2.RELEASE.jar:3.1.2.RELEASE]
