diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Version.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Version.java
index c8730da70..8a19df160 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Version.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/game/Version.java
@@ -32,7 +32,6 @@ import java.util.Arrays;
 import java.util.Collections;
 import java.util.Comparator;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -369,8 +368,10 @@ public class Version implements Comparable<Version>, Validation {
         return addPatches(Arrays.asList(additional));
     }
 
-    public Version addPatches(List<Version> additional) {
-        return new Version(resolved, id, version, priority, minecraftArguments, arguments, mainClass, inheritsFrom, jar, assetIndex, assets, libraries, compatibilityRules, downloads, logging, type, time, releaseTime, minimumLauncherVersion, hidden, root, Lang.merge(patches, additional));
+    public Version addPatches(@Nullable List<Version> additional) {
+        Set<String> patchIds = additional == null ? Collections.emptySet() : additional.stream().map(Version::getId).collect(Collectors.toSet());
+        List<Version> patches = Lang.merge(this.patches == null ? null : this.patches.stream().filter(patch -> !patchIds.contains(patch.getId())).collect(Collectors.toList()), additional);
+        return new Version(resolved, id, version, priority, minecraftArguments, arguments, mainClass, inheritsFrom, jar, assetIndex, assets, libraries, compatibilityRules, downloads, logging, type, time, releaseTime, minimumLauncherVersion, hidden, root, patches);
     }
 
     public Version clearPatches() {