diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/download/DownloadPage.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/download/DownloadPage.java
index 5c7996dea7..1b0be7b5df 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/download/DownloadPage.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/download/DownloadPage.java
@@ -54,6 +54,7 @@
 import org.jackhuang.hmcl.util.io.FileUtils;
 import org.jetbrains.annotations.Nullable;
 
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Locale;
 import java.util.concurrent.CancellationException;
@@ -153,7 +154,7 @@ public static void download(DownloadProvider downloadProvider, Profile profile,
                 }
             }), i18n("message.downloading"), TaskCancellationAction.NORMAL);
             handler.resolve();
-        }, file.getFile().getFilename(), new Validator(i18n("install.new_game.malformed"), FileUtils::isNameValid));
+        }, file.getFile().getFilename(), new Validator(i18n("install.new_game.malformed"), FileUtils::isNameValid), new Validator(i18n("profile.already_exists"), (it) -> !Files.exists(runDirectory.resolve(subdirectoryName).resolve(it))));
 
     }