diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/download/InstallerWizardProvider.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/download/InstallerWizardProvider.java
index 6f826a1a9..f6edfcae9 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/download/InstallerWizardProvider.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/download/InstallerWizardProvider.java
@@ -22,6 +22,7 @@ import org.jackhuang.hmcl.download.DownloadProvider;
 import org.jackhuang.hmcl.download.LibraryAnalyzer;
 import org.jackhuang.hmcl.download.RemoteVersion;
 import org.jackhuang.hmcl.download.game.LibraryDownloadException;
+import org.jackhuang.hmcl.download.optifine.OptiFineInstallTask;
 import org.jackhuang.hmcl.game.Library;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.setting.Profile;
@@ -125,6 +126,8 @@ public final class InstallerWizardProvider implements WizardProvider {
             Controllers.dialog(i18n("launch.failed.download_library", ((LibraryDownloadException) exception).getLibrary().getName()) + "\n" + StringUtils.getStackTrace(exception.getCause()), i18n("install.failed.downloading"), MessageType.ERROR, next);
         } else if (exception instanceof DownloadException) {
             Controllers.dialog(i18n("install.failed.downloading.detail", ((DownloadException) exception).getUrl()) + "\n" + StringUtils.getStackTrace(exception.getCause()), i18n("install.failed.downloading"), MessageType.ERROR, next);
+        } else if (exception instanceof OptiFineInstallTask.UnsupportedOptiFineInstallationException) {
+            Controllers.dialog(i18n("install.failed.optifine_conflict"), i18n("install.failed"), MessageType.ERROR, next);
         } else {
             Controllers.dialog(StringUtils.getStackTrace(exception), i18n("install.failed"), MessageType.ERROR, next);
         }
diff --git a/HMCL/src/main/resources/assets/lang/I18N.properties b/HMCL/src/main/resources/assets/lang/I18N.properties
index be989d1c2..730d73d0e 100644
--- a/HMCL/src/main/resources/assets/lang/I18N.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N.properties
@@ -127,6 +127,7 @@ install=Install New Game
 install.failed=Failed to install
 install.failed.downloading=Failed to install due to some files not downloaded successfully
 install.failed.downloading.detail=Failed to download file: %s
+install.failed.optifine_conflict=OptiFine and Forge are both installed simultaneously on Minecraft 1.13
 install.installer.choose=Choose a %s version
 install.installer.forge=Forge
 install.installer.game=Game
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh.properties b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
index 53364130a..896f75ca0 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh.properties
@@ -126,6 +126,7 @@ install=新增遊戲
 install.failed=安裝失敗
 install.failed.downloading=安裝失敗，部分文件未能完成下載
 install.failed.downloading.detail=未能下載檔案：%s
+install.failed.optifine_conflict=暫不支持 OptiFine 與 Forge 同時安裝於 Minecraft 1.13
 install.installer.choose=選擇 %s 版本
 install.installer.forge=Forge
 install.installer.game=遊戲
diff --git a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
index 9d3c37abc..2dcc34905 100644
--- a/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
+++ b/HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties
@@ -126,6 +126,7 @@ install=添加游戏
 install.failed=安装失败
 install.failed.downloading=安装失败，部分文件未能完成下载
 install.failed.downloading.detail=未能下载文件：%s
+install.failed.optifine_conflict=暂不支持 OptiFine 与 Forge 同时安装于 Minecraft 1.13
 install.installer.choose=选择 %s 版本
 install.installer.forge=Forge
 install.installer.game=游戏
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallTask.java
index d250c9084..7a3201f2f 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeInstallTask.java
@@ -83,11 +83,6 @@ public final class ForgeInstallTask extends TaskResult<Version> {
         return Collections.singleton(dependency);
     }
 
-    @Override
-    public boolean isRelyingOnDependencies() {
-        return false;
-    }
-
     @Override
     public void execute() {
         if (VersionNumber.VERSION_COMPARATOR.compare("1.13", remote.getGameVersion()) <= 0)
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeNewInstallTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeNewInstallTask.java
index 9773a32d2..d57da15d4 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeNewInstallTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/forge/ForgeNewInstallTask.java
@@ -19,6 +19,7 @@ package org.jackhuang.hmcl.download.forge;
 
 import org.jackhuang.hmcl.download.DefaultDependencyManager;
 import org.jackhuang.hmcl.download.game.GameLibrariesTask;
+import org.jackhuang.hmcl.download.optifine.OptiFineInstallTask;
 import org.jackhuang.hmcl.game.*;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.task.TaskResult;
@@ -122,6 +123,9 @@ public class ForgeNewInstallTask extends TaskResult<Version> {
 
     @Override
     public void execute() throws Exception {
+        if ("net.minecraft.launchwrapper.Launch".equals(version.getMainClass()))
+            throw new OptiFineInstallTask.UnsupportedOptiFineInstallationException();
+
         Path temp  = Files.createTempDirectory("forge_installer");
         int finished = 0;
         try (FileSystem fs = CompressingUtils.createReadOnlyZipFileSystem(installer)) {
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java
index 716ddfad4..8107d0179 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/optifine/OptiFineInstallTask.java
@@ -66,6 +66,9 @@ public final class OptiFineInstallTask extends TaskResult<Version> {
 
     @Override
     public void execute() {
+        if ("cpw.mods.modlauncher.Launcher".equals(version.getMainClass()))
+            throw new UnsupportedOptiFineInstallationException();
+
         String remoteVersion = remote.getGameVersion() + "_" + remote.getSelfVersion();
 
         Library library = new Library(
@@ -90,4 +93,6 @@ public final class OptiFineInstallTask extends TaskResult<Version> {
         dependencies.add(dependencyManager.checkLibraryCompletionAsync(version.setLibraries(libraries)));
     }
 
+    public static class UnsupportedOptiFineInstallationException extends UnsupportedOperationException {
+    }
 }