vs code编译flutter，Initializing gradle后报错

小白一枚，还请大神指教
因为之前一直卡在Initializing gradle步骤，然后查了CSDN修改了一次flutter.gradle文件之后，就一直报错，改回来也没用。没改之间就一直卡在Initializing gradle。
报错的代码：

Exception in thread "main" java.util.zip.ZipException: error in opening zip file
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.(ZipFile.java:219)
at java.util.zip.ZipFile.(ZipFile.java:149)
at java.util.zip.ZipFile.(ZipFile.java:163)
at org.gradle.wrapper.Install.unzip(Install.java:214)
at org.gradle.wrapper.Install.access$600(Install.java:27)
at org.gradle.wrapper.Install$1.call(Install.java:74)
at org.gradle.wrapper.Install$1.call(Install.java:48)
at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:65)
at org.gradle.wrapper.Install.createDist(Install.java:48)
at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:128)
at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61)
Command: /Users/jackwang/Documents/Flutter/first_flutter_app/android/gradlew -v
Exited (sigterm)
还请大佬指教！