diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/JavaDownloadDialog.java b/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/JavaDownloadDialog.java
index 7e4e80f66..cb1977547 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/JavaDownloadDialog.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/ui/main/JavaDownloadDialog.java
@@ -312,8 +312,15 @@ public final class JavaDownloadDialog extends StackPane {
                             getIntegrityCheck = Task.completed(new FileDownloadTask.IntegrityCheck(fileInfo.getChecksumType(), fileInfo.getChecksum()));
                         else if (StringUtils.isNotBlank(fileInfo.getChecksumUri()))
                             getIntegrityCheck = new GetTask(downloadProvider.injectURLWithCandidates(fileInfo.getChecksumUri()))
-                                    .thenApplyAsync(checksum ->
-                                            new FileDownloadTask.IntegrityCheck(fileInfo.getChecksumType(), checksum.trim()));
+                                    .thenApplyAsync(checksum -> {
+                                        checksum = checksum.trim();
+
+                                        int idx = checksum.indexOf(' ');
+                                        if (idx > 0)
+                                            checksum = checksum.substring(0, idx);
+
+                                        return new FileDownloadTask.IntegrityCheck(fileInfo.getChecksumType(), checksum);
+                                    });
                         else
                             throw new IOException("Unable to get checksum for file");
 
diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/java/disco/DiscoJavaDistribution.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/java/disco/DiscoJavaDistribution.java
index 7cc6c3e20..52d013bf1 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/download/java/disco/DiscoJavaDistribution.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/download/java/disco/DiscoJavaDistribution.java
@@ -35,6 +35,7 @@ import static org.jackhuang.hmcl.util.platform.OperatingSystem.*;
 
 /**
  * @author Glavo
+ * @see <a href="https://github.com/foojayio/discoapi">discoapi</a>
  */
 public enum DiscoJavaDistribution implements JavaDistribution<DiscoJavaRemoteVersion> {
     TEMURIN("Eclipse Temurin", "temurin", "Adoptium",
@@ -65,7 +66,13 @@ public enum DiscoJavaDistribution implements JavaDistribution<DiscoJavaRemoteVer
             EnumSet.of(JDK),
             pair(WINDOWS, EnumSet.of(X86_64)),
             pair(LINUX, EnumSet.of(X86_64, ARM64)),
-            pair(OSX, EnumSet.of(X86_64, ARM64)));
+            pair(OSX, EnumSet.of(X86_64, ARM64))),
+    SEMERU("IBM Semeru (OpenJ9)", "semeru", "IBM",
+            EnumSet.of(JDK, JRE),
+            pair(WINDOWS, EnumSet.of(X86_64)),
+            pair(LINUX, EnumSet.of(X86_64, ARM64, PPC64LE, S390X)),
+            pair(OSX, EnumSet.of(X86_64, ARM64))
+    );
 
     public static DiscoJavaDistribution of(String name) {
         for (DiscoJavaDistribution distribution : values()) {