我在安装firestore依赖后运行项目时出现以下错误。我该怎么办？

Note: C:\src\flutter.pub-cache\hosted\pub.dartlang.org\cloud_firestore-0.13.5\android\src\main\java\io\flutter\plugins\firebase\cloudfirestore\CloudFirestorePlugin.java uses unchecked or unsafe operations. Note: Recompile with -Xlint:unchecked for details. D8: Cannot fit requested classes in a single dex file (# methods: 79495 > 65536) com.android.builder.dexing.DexArchiveMergerException: Error while merging dex archives: The number of method references in a .dex file cannot exceed 64K. Learn how to resolve this issue at https://developer.android.com/tools/building/multidex.html at com.android.builder.dexing.D8DexArchiveMerger.getExceptionToRethrow(D8DexArchiveMerger.java:131) at com.android.builder.dexing.D8DexArchiveMerger.mergeDexArchives(D8DexArchiveMerger.java:118) at com.android.build.gradle.internal.transforms.DexMergerTransformCallable.call(DexMergerTransformCallable.java:102) at com.android.build.gradle.internal.tasks.DexMergingTaskRunnable.run(DexMergingTask.kt:444) at com.android.build.gradle.internal.tasks.Workers$ActionFacade.run(Workers.kt:335) at org.gradle.workers.internal.AdapterWorkAction.execute(AdapterWorkAction.java:50) at org.gradle.workers.internal.DefaultWorkerServer.execute(DefaultWorkerServer.java:47) at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1$1.create(NoIsolationWorkerFactory.java:65) at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1$1.create(NoIsolationWorkerFactory.java:61) at org.gradle.internal.classloader.ClassLoaderUtils.executeInClassloader(ClassLoaderUtils.java:98) at org.gradle.workers.internal.NoIsolationWorkerFactory$1$1.execute(NoIsolationWorkerFactory.java:61) at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:44) at org.gradle.workers.internal.AbstractWorker$1.call(AbstractWorker.java:41) at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:416) at org.gradle.internal.operations.DefaultBuildOperationExecutor$CallableBuildOperationWorker.execute(DefaultBuildOperationExecutor.java:406) at org.gradle.internal.operations.DefaultBuildOperationExecutor$1.execute(DefaultBuildOperationExecutor.java:165) at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:250) at org.gradle.internal.operations.DefaultBuildOperationExecutor.execute(DefaultBuildOperationExecutor.java:158) at org.gradle.internal.operations.DefaultBuildOperationExecutor.call(DefaultBuildOperationExecutor.java:102) at org.gradle.internal.operations.DelegatingBuildOperationExecutor.call(DelegatingBuildOperationExecutor.java:36) at org.gradle.workers.internal.AbstractWorker.executeWrappedInBuildOperation(AbstractWorker.java:41) at org.gradle.workers.internal.NoIsolationWorkerFactory$1.execute(NoIsolationWorkerFactory.java:56) at org.gradle.workers.internal.DefaultWorkerExecutor$3.call(DefaultWorkerExecutor.java:215) at org.gradle.workers.internal.DefaultWorkerExecutor$3.call(DefaultWorkerExecutor.java:210) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runExecution(DefaultConditionalExecutionQueue.java:215) at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.runBatch(DefaultConditionalExecutionQueue.java:164) at org.gradle.internal.work.DefaultConditionalExecutionQueue$ExecutionRunner.run(DefaultConditionalExecutionQueue.java:131) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:64) at org.gradle.internal.concurrent.ManagedExecutorImpl$1.run(ManagedExecutorImpl.java:48) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at org.gradle.internal.concurrent.ThreadFactoryImpl$ManagedThreadRunnable.run(ThreadFactoryImpl.java:56) at java.lang.Thread.run(Thread.java:748) Caused by: com.android.tools.r8.CompilationFailedException: Compilation failed to complete at com.android.tools.r8.utils.t.a(:55) at com.android.tools.r8.D8.run(:11) at com.android.builder.dexing.D8DexArchiveMerger.mergeDexArchives(D8DexArchiveMerger.java:116) ... 34 more Caused by: com.android.tools.r8.utils.AbortException: Error: null, Cannot fit requested classes in a single dex file (# methods: 79495 > 65536) at com.android.tools.r8.utils.Reporter.a(:21) at com.android.tools.r8.utils.Reporter.a(:7) at com.android.tools.r8.dex.VirtualFile.a(:33) at com.android.tools.r8.dex.VirtualFile$h.a(:5) at com.android.tools.r8.dex.ApplicationWriter.a(:13) at com.android.tools.r8.dex.ApplicationWriter.write(:35) at com.android.tools.r8.D8.d(:44) at com.android.tools.r8.D8.b(:1) at com.android.tools.r8.utils.t.a(:23) ... 36 more
FAILURE: Build failed with an exception.

• 出了什么问题：执行任务“：app：mergeDexDebug”失败。

执行com.android.build.gradle.internal.tasks.Workers$ActionFacade com.android.builder.dexing.DexArchiveMergerException时出错：合并dex存档时出错：.dex文件中的方法引用数不能超过64 K。请在https://developer.android.com/tools/building/multidex.html上了解如何解决此问题

• 尝试：使用--stacktrace选项运行以获取堆栈跟踪。使用--info或--debug选项运行以获取更多日志输出。使用--scan运行以获取完整见解。
• 在https://help.gradle.org获取更多帮助

BUILD FAILED in 5 m 31 s [！]压缩器可能无法优化Java字节码。要禁用压缩器，请将--no-shrink标志传递给此命令。要了解更多信息，请参阅：https://developer.android.com/studio/build/shrink-code已完成，但出现错误：Gradle任务assembleDebug失败，退出代码为% 1