MybatisX 1.3.9报错，idea2020.2

Can't construct a java object for tag:yaml.org,2002:java.util.Map; exception=No single argument constructor found for interface java.util.Map : null
 in 'reader', line 1, column 1:
    spring.datasource.url=jdbc:mysql ... 
    ^

at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:336)
	at org.yaml.snakeyaml.constructor.BaseConstructor.constructObjectNoCheck(BaseConstructor.java:230)
	at org.yaml.snakeyaml.constructor.BaseConstructor.constructObject(BaseConstructor.java:219)
	at org.yaml.snakeyaml.constructor.BaseConstructor.constructDocument(BaseConstructor.java:173)
	at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:157)
	at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:472)
	at org.yaml.snakeyaml.Yaml.loadAs(Yaml.java:466)
	at com.baomidou.plugin.idea.mybatisx.alias.SpringBootPackageResolver.readAliasesPackage(SpringBootPackageResolver.java:60)
	at com.baomidou.plugin.idea.mybatisx.alias.SpringBootPackageResolver.getPackages(SpringBootPackageResolver.java:50)
	at com.baomidou.plugin.idea.mybatisx.alias.PackageAliasResolver.getClassAliasDescriptions(PackageAliasResolver.java:41)
	at com.baomidou.plugin.idea.mybatisx.alias.AliasFacade.findPsiClass(AliasFacade.java:80)
	at com.baomidou.plugin.idea.mybatisx.dom.converter.AliasConverter.fromString(AliasConverter.java:33)
	at com.baomidou.plugin.idea.mybatisx.dom.converter.AliasConverter.fromString(AliasConverter.java:22)
	at com.intellij.util.xml.impl.GetInvocation.a(GetInvocation.java:99)
	at com.intellij.util.xml.impl.GetInvocation.a(GetInvocation.java:74)
	at com.intellij.util.xml.impl.GetInvocation.invoke(GetInvocation.java:62)
	at com.intellij.util.xml.impl.DomInvocationHandler.invoke(DomInvocationHandler.java:657)
	at com.intellij.util.xml.GenericAttributeValue$$EnhancerByJetBrainsMainCglib$$f4a47684.getValue(<generated>)
	at com.baomidou.plugin.idea.mybatisx.inspection.MapperMethodInspection.checkResultType(MapperMethodInspection.java:59)
	at com.baomidou.plugin.idea.mybatisx.inspection.MapperMethodInspection.createProblemDescriptors(MapperMethodInspection.java:47)
	at com.baomidou.plugin.idea.mybatisx.inspection.MapperMethodInspection.checkMethod(MapperMethodInspection.java:39)
	at com.intellij.codeInspection.AbstractBaseJavaLocalInspectionTool$1.visitMethod(AbstractBaseJavaLocalInspectionTool.java:52)
	at com.intellij.psi.impl.source.PsiMethodImpl.accept(PsiMethodImpl.java:288)
	at com.intellij.codeInspection.InspectionEngine.acceptElements(InspectionEngine.java:65)
	at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.lambda$visitRestElementsAndCleanup$6(LocalInspectionsPass.java:319)
	at com.intellij.util.AstLoadingFilter.lambda$toComputable$2(AstLoadingFilter.java:168)
	at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:126)
	at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:115)
	at com.intellij.util.AstLoadingFilter.disallowTreeLoading(AstLoadingFilter.java:110)
	at com.intellij.codeInsight.daemon.impl.LocalInspectionsPass.lambda$visitRestElementsAndCleanup$7(LocalInspectionsPass.java:319)
	at com.intellij.concurrency.ApplierCompleter.execAndForkSubTasks(ApplierCompleter.java:149)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1110)
	at com.intellij.concurrency.ApplierCompleter.lambda$wrapInReadActionAndIndicator$1(ApplierCompleter.java:105)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:629)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:581)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:60)
	at com.intellij.concurrency.ApplierCompleter.wrapInReadActionAndIndicator(ApplierCompleter.java:117)
	at com.intellij.concurrency.ApplierCompleter.lambda$compute$0(ApplierCompleter.java:96)
	at com.intellij.openapi.application.impl.ReadMostlyRWLock.executeByImpatientReader(ReadMostlyRWLock.java:170)
	at com.intellij.openapi.application.impl.ApplicationImpl.executeByImpatientReader(ApplicationImpl.java:182)
	at com.intellij.concurrency.ApplierCompleter.compute(ApplierCompleter.java:96)
	at java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:746)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)
Caused by: org.yaml.snakeyaml.error.YAMLException: No single argument constructor found for interface java.util.Map : null
	at org.yaml.snakeyaml.constructor.Constructor$ConstructScalar.construct(Constructor.java:393)
	at org.yaml.snakeyaml.constructor.Constructor$ConstructYamlObject.construct(Constructor.java:331)
	... 46 more

baomidou/MybatisX

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