diff --git a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
index 44e7d3a6b..39630b36c 100644
--- a/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
+++ b/HMCL/src/main/java/org/jackhuang/hmcl/setting/Config.java
@@ -20,6 +20,7 @@ package org.jackhuang.hmcl.setting;
 import com.google.gson.Gson;
 import com.google.gson.GsonBuilder;
 import com.google.gson.JsonParseException;
+import com.google.gson.ToNumberPolicy;
 import com.google.gson.annotations.SerializedName;
 import javafx.beans.InvalidationListener;
 import javafx.beans.Observable;
@@ -60,6 +61,7 @@ public final class Config implements Observable {
             .registerTypeAdapter(EnumBackgroundImage.class, new EnumOrdinalDeserializer<>(EnumBackgroundImage.class)) // backward compatibility for backgroundType
             .registerTypeAdapter(Proxy.Type.class, new EnumOrdinalDeserializer<>(Proxy.Type.class)) // backward compatibility for hasProxy
             .setPrettyPrinting()
+            .setObjectToNumberStrategy(ToNumberPolicy.LONG_OR_DOUBLE)
             .create();
 
     @Nullable