[00:52:56] [org.jackhuang.hmcl.Launcher.main/INFO] *** HMCL 3.3.173 ***
[00:52:56] [org.jackhuang.hmcl.Launcher.main/INFO] Operating System: Windows 10 10.0
[00:52:56] [org.jackhuang.hmcl.Launcher.main/INFO] Java Version: 1.8.0_111, Oracle Corporation
[00:52:56] [org.jackhuang.hmcl.Launcher.main/INFO] Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
[00:52:56] [org.jackhuang.hmcl.Launcher.main/INFO] Java Home: C:\Program Files\Java\jre1.8.0_111
[00:52:56] [org.jackhuang.hmcl.Launcher.main/INFO] Current Directory: D:\minecraft
[00:52:56] [org.jackhuang.hmcl.Launcher.main/INFO] HMCL Directory: C:\Users\22714\AppData\Roaming\.hmcl
[00:52:56] [org.jackhuang.hmcl.Launcher.main/INFO] Memory: 3604MB
[00:52:56] [org.jackhuang.hmcl.Launcher.lambda$main$2/INFO] Metaspace: 8MB
[00:52:56] [org.jackhuang.hmcl.Main.fixLetsEncrypt/INFO] Added Lets Encrypt root certificates as additional trust
[00:52:56] [org.jackhuang.hmcl.setting.ConfigHolder.init/INFO] Config location: D:\minecraft\hmcl.json
[00:52:56] [org.jackhuang.hmcl.task.AsyncTaskExecutor.lambda$executeTask$10/FINE] Executing task: org.jackhuang.hmcl.game.GameRepository.refreshVersionsAsync(GameRepository.java:85)
[00:52:56] [org.jackhuang.hmcl.task.AsyncTaskExecutor.lambda$executeTask$10/FINE] Executing task: org.jackhuang.hmcl.game.GameRepository.refreshVersionsAsync(GameRepository.java:85)
[00:52:56] [org.jackhuang.hmcl.ui.Controllers.initialize/INFO] Start initializing application
[00:52:56] [org.jackhuang.hmcl.event.EventBus.fireEvent/INFO] RefreshingVersionsEvent [source=HMCLGameRepository [versions=null, baseDirectory=.minecraft]] gets fired
[00:52:56] [org.jackhuang.hmcl.event.EventBus.fireEvent/INFO] RefreshingVersionsEvent [source=HMCLGameRepository [versions=null, baseDirectory=.minecraft]] gets fired
[00:52:56] [org.jackhuang.hmcl.event.EventBus.fireEvent/INFO] LoadedOneVersionEvent [source=HMCLGameRepository [versions=null, baseDirectory=.minecraft], version=Version [id=1.15.2]] gets fired
[00:52:56] [org.jackhuang.hmcl.event.EventBus.fireEvent/INFO] LoadedOneVersionEvent [source=HMCLGameRepository [versions=null, baseDirectory=.minecraft], version=Version [id=1.15.2]] gets fired
[00:52:56] [org.jackhuang.hmcl.event.EventBus.fireEvent/INFO] LoadedOneVersionEvent [source=HMCLGameRepository [versions=null, baseDirectory=.minecraft], version=Version [id=?-硋ぇ隔1.15.2]] gets fired
[00:52:56] [org.jackhuang.hmcl.event.EventBus.fireEvent/INFO] LoadedOneVersionEvent [source=HMCLGameRepository [versions=null, baseDirectory=.minecraft], version=Version [id=?-硋ぇ隔1.15.2]] gets fired
[00:52:56] [org.jackhuang.hmcl.event.EventBus.fireEvent/INFO] RefreshedVersionsEvent [source=HMCLGameRepository [versions=[1.15.2, ?-硋ぇ隔1.15.2], baseDirectory=.minecraft]] gets fired
[00:52:56] [org.jackhuang.hmcl.event.EventBus.fireEvent/INFO] RefreshedVersionsEvent [source=HMCLGameRepository [versions=[1.15.2, ?-硋ぇ隔1.15.2], baseDirectory=.minecraft]] gets fired
[00:52:56] [org.jackhuang.hmcl.task.AsyncTaskExecutor.lambda$executeTask$20/FINER] Task finished: org.jackhuang.hmcl.game.GameRepository.refreshVersionsAsync(GameRepository.java:85)
[00:52:56] [org.jackhuang.hmcl.task.AsyncTaskExecutor.lambda$executeTask$20/FINER] Task finished: org.jackhuang.hmcl.game.GameRepository.refreshVersionsAsync(GameRepository.java:85)
[00:52:56] [org.jackhuang.hmcl.task.AsyncTaskExecutor.lambda$executeTask$10/FINE] Executing task: org.jackhuang.hmcl.ui.Controllers.initialize(Controllers.java:126)
[00:52:57] [org.jackhuang.hmcl.task.AsyncTaskExecutor.lambda$executeTask$20/FINER] Task finished: org.jackhuang.hmcl.ui.Controllers.initialize(Controllers.java:126)
[00:52:57] [org.jackhuang.hmcl.upgrade.IntegrityChecker.isSelfVerified/INFO] Successfully verified current JAR
[00:52:58] [org.jackhuang.hmcl.upgrade.UpdateChecker.lambda$null$2/WARNING] Failed to check for update
java.io.IOException: Server returned HTTP response code: 500 for URL: https://hmcl.huangyuhui.net/api/ ... &channel=stable
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
        at java.lang.reflect.Constructor.newInstance(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection$10.run(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection$10.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at sun.net.www.protocol.http.HttpURLConnection.getChainedException(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
        at org.jackhuang.hmcl.util.io.NetworkUtils.doGet(NetworkUtils.java:140)
        at org.jackhuang.hmcl.upgrade.RemoteVersion.fetch(RemoteVersion.java:35)
        at org.jackhuang.hmcl.upgrade.UpdateChecker.checkUpdate(UpdateChecker.java:94)
        at org.jackhuang.hmcl.upgrade.UpdateChecker.lambda$null$2(UpdateChecker.java:112)
        at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: Server returned HTTP response code: 500 for URL: https://hmcl.huangyuhui.net/api/ ... &channel=stable
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
        at java.net.HttpURLConnection.getResponseCode(Unknown Source)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(Unknown Source)
        at org.jackhuang.hmcl.util.io.NetworkUtils.resolveConnection(NetworkUtils.java:116)
        at org.jackhuang.hmcl.util.io.NetworkUtils.doGet(NetworkUtils.java:139)
        ... 4 more
[00:53:05] [org.jackhuang.hmcl.ui.main.SettingsPage.lambda$onExportLogs$9/INFO] Exporting logs to D:\minecraft\hmcl-exported-logs-2020-10-08T00-53-05.log

这是HMCL的网站挂了，换个启动器或者等它自然恢复

用这个放逐整合包：https://t00y.com/file/19970058-463312510

其他人都能用就有一个朋友用不了，不明白为什么

这可能是你那个朋友的网络问题
你看看能不能断网下启动之后再连接网络