当我尝试更新到Android Studio 3.1.2时，会显示以下消息：
准备补丁Erro nos dados时发生意外错误 （verificaçãocíclicadedundância）
没有文件被更改;重试应用补丁。
按照日志：
07/06 15:24:49 ERROR Runner.install - prepare failed
java.io.IOException: Erro nos dados (verificação cíclica de redundância)
at java.io.FileInputStream.readBytes(Native Method)
at java.io.FileInputStream.read(FileInputStream.java:255)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
at java.io.FilterInputStream.read(FilterInputStream.java:107)
at com.intellij.updater.Digester.doDigestStream(Digester.java:121)
at com.intellij.updater.Digester.digestStream(Digester.java:114)
at com.intellij.updater.Digester.digestRegularFile(Digester.java:66)
at com.intellij.updater.Patch.digestFile(Patch.java:485)
at com.intellij.updater.PatchAction.isModified(PatchAction.java:197)
at
com.intellij.updater.PatchAction.doValidateNotChanged(PatchAction.java:167)
at com.intellij.updater.ValidateAction.validate(ValidateAction.java:38)
at com.intellij.updater.Patch.lambda$validate$0(Patch.java:334)
at com.intellij.updater.Patch.forEach(Patch.java:473)
at com.intellij.updater.Patch.validate(Patch.java:333)
at
com.intellij.updater.PatchFileCreator.prepareAndValidate
(PatchFileCreator.java: 69)
at com.intellij.updater.Runner.install(Runner.java:344)
at com.intellij.updater.Runner.main(Runner.java:133)