diff --git a/src/main/java/icu/samnyan/aqua/sega/chusan/model/userdata/UserMusicDetail.java b/src/main/java/icu/samnyan/aqua/sega/chusan/model/userdata/UserMusicDetail.java
index d46e6554..00beb1ce 100644
--- a/src/main/java/icu/samnyan/aqua/sega/chusan/model/userdata/UserMusicDetail.java
+++ b/src/main/java/icu/samnyan/aqua/sega/chusan/model/userdata/UserMusicDetail.java
@@ -3,7 +3,7 @@ package icu.samnyan.aqua.sega.chusan.model.userdata;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonPropertyOrder;
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
-import icu.samnyan.aqua.sega.chusan.util.BooleanToIntegerDeserializer;
+import icu.samnyan.aqua.sega.util.jackson.BooleanToIntegerDeserializer;
 import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.Table;
diff --git a/src/main/java/icu/samnyan/aqua/sega/chusan/util/BooleanToIntegerDeserializer.java b/src/main/java/icu/samnyan/aqua/sega/chusan/util/BooleanToIntegerDeserializer.java
deleted file mode 100644
index d5b8288a..00000000
--- a/src/main/java/icu/samnyan/aqua/sega/chusan/util/BooleanToIntegerDeserializer.java
+++ /dev/null
@@ -1,35 +0,0 @@
-package icu.samnyan.aqua.sega.chusan.util;
-
-import com.fasterxml.jackson.core.JacksonException;
-import com.fasterxml.jackson.core.JsonParser;
-import com.fasterxml.jackson.databind.DeserializationContext;
-import com.fasterxml.jackson.databind.JsonDeserializer;
-
-import java.io.IOException;
-import java.util.Locale;
-
-public class BooleanToIntegerDeserializer extends JsonDeserializer<Integer> {
-    @Override
-    public Integer deserialize(JsonParser p, DeserializationContext ctxt) throws IOException, JacksonException {
-        return switch (p.getCurrentToken()) {
-            case VALUE_STRING -> {
-                String value = p.getValueAsString();
-                if (value.toLowerCase(Locale.ROOT).equals("true")) {
-                    yield 1;
-                } else if (value.toLowerCase(Locale.ROOT).equals("false")) {
-                    yield 0;
-                } else {
-                    try {
-                        yield Integer.parseInt(value);
-                    } catch (NumberFormatException e) {
-                        throw new UnsupportedOperationException("Cannot deserialize to integer field");
-                    }
-                }
-            }
-            case VALUE_NUMBER_INT -> p.getIntValue();
-            case VALUE_TRUE -> 1;
-            case VALUE_FALSE -> 0;
-            default -> throw new UnsupportedOperationException("Cannot deserialize to integer field");
-        };
-    }
-}
diff --git a/src/main/java/icu/samnyan/aqua/sega/util/jackson/BooleanToIntegerDeserializer.kt b/src/main/java/icu/samnyan/aqua/sega/util/jackson/BooleanToIntegerDeserializer.kt
new file mode 100644
index 00000000..cb34a5b1
--- /dev/null
+++ b/src/main/java/icu/samnyan/aqua/sega/util/jackson/BooleanToIntegerDeserializer.kt
@@ -0,0 +1,23 @@
+package icu.samnyan.aqua.sega.util.jackson
+
+import com.fasterxml.jackson.core.JsonParser
+import com.fasterxml.jackson.core.JsonToken
+import com.fasterxml.jackson.databind.DeserializationContext
+import com.fasterxml.jackson.databind.JsonDeserializer
+import ext.int
+
+class BooleanToIntegerDeserializer : JsonDeserializer<Int>() {
+    override fun deserialize(p: JsonParser, ctxt: DeserializationContext): Int {
+        return when (p.currentToken) {
+            JsonToken.VALUE_STRING -> when (val str = p.valueAsString.lowercase()) {
+                "true" -> 1
+                "false" -> 0
+                else -> str.int
+            }
+            JsonToken.VALUE_NUMBER_INT -> p.intValue
+            JsonToken.VALUE_TRUE -> 1
+            JsonToken.VALUE_FALSE -> 0
+            else -> throw UnsupportedOperationException("Cannot deserialize to boolean int")
+        }
+    }
+}