下载forge，不知为何会这样子``` Exception in thread "main" java.lang.ExceptionInInitializerError at javax.crypto.Cipher.getInstance(Cipher.java:516) at sun.security.ssl.JsseJce.getCipher(JsseJce.java:189) at sun.security.ssl.SSLCipher.isTransformationAvailable(SSLCipher.java:483) at sun.security.ssl.SSLCipher.(SSLCipher.java:472) at sun.security.ssl.SSLCipher.(SSLCipher.java:81) at sun.security.ssl.CipherSuite.(CipherSuite.java:64) at sun.security.ssl.SSLContextImpl.getApplicableSupportedCipherSuites(SSLContextImpl.java:345) at sun.security.ssl.SSLContextImpl.access$100(SSLContextImpl.java:46) at sun.security.ssl.SSLContextImpl$AbstractTLSContext.(SSLContextImpl.java:575) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at java.security.Provider$Service.getImplClass(Provider.java:1736) at java.security.Provider$Service.newInstance(Provider.java:1694) at sun.security.jca.GetInstance.getInstance(GetInstance.java:236) at sun.security.jca.GetInstance.getInstance(GetInstance.java:164) at javax.net.ssl.SSLContext.getInstance(SSLContext.java:156) at javax.net.ssl.SSLContext.getDefault(SSLContext.java:96) at javax.net.ssl.SSLSocketFactory.getDefault(SSLSocketFactory.java:122) at javax.net.ssl.HttpsURLConnection.getDefaultSSLSocketFactory(HttpsURLConnection.java:332) at javax.net.ssl.HttpsURLConnection.(HttpsURLConnection.java:289) at sun.net.www.protocol.https.HttpsURLConnectionImpl.(HttpsURLConnectionImpl.java:99) at sun.net.www.protocol.https.Handler.openConnection(Handler.java:62) at sun.net.www.protocol.https.Handler.openConnection(Handler.java:57) at java.net.URL.openConnection(URL.java:1026) at org.gradle.wrapper.Download.downloadInternal(Download.java:62) at org.gradle.wrapper.Download.download(Download.java:51) at org.gradle.wrapper.Install$1.call(Install.java:62) at org.gradle.wrapper.Install$1.call(Install.java:48) at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAccessManager.java:69) at org.gradle.wrapper.Install.createDist(Install.java:48) at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:107) at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:61) Caused by: java.lang.SecurityException: Can not initialize cryptographic mechanism at javax.crypto.JceSecurity.(JceSecurity.java:93) ... 32 more Caused by: java.lang.SecurityException: Cannot locate policy or framework files! at javax.crypto.JceSecurity.setupJurisdictionPolicies(JceSecurity.java:316) at javax.crypto.JceSecurity.access$000(JceSecurity.java:50) at javax.crypto.JceSecurity$1.run(JceSecurity.java:85) at java.security.AccessController.doPrivileged(Native Method) at javax.crypto.JceSecurity.(JceSecurity.java:82) ... 32 more