diff --git a/AquaNet/src/libs/sdk.ts b/AquaNet/src/libs/sdk.ts
index b6363c5f..e88f5891 100644
--- a/AquaNet/src/libs/sdk.ts
+++ b/AquaNet/src/libs/sdk.ts
@@ -310,4 +310,6 @@ export const SETTING = {
     post('/api/v2/settings/get', {}),
   set: (key: string, value: any) =>
     post('/api/v2/settings/set', { key, value: `${value}` }),
+  detailSet: (game: string, field: string, value: any) =>
+    post(`/api/v2/game/${game}/user-detail-set`, { field, value }),
 }
diff --git a/src/main/java/icu/samnyan/aqua/net/games/GameHelper.kt b/src/main/java/icu/samnyan/aqua/net/games/GameHelper.kt
index 095823eb..7bed80c0 100644
--- a/src/main/java/icu/samnyan/aqua/net/games/GameHelper.kt
+++ b/src/main/java/icu/samnyan/aqua/net/games/GameHelper.kt
@@ -21,7 +21,7 @@ fun usernameCheck(chars: String): (IUserData, String) -> Unit = { u, v ->
     u.userName = v
     if (v.isBlank()) { 400 - "Username cannot be blank" }
     if (v.length > 8) { 400 - "Username too long" }
-    v.find { it !in chars }?.let { 400 - "Invalid character '$it' in username" }
+//    v.find { it !in chars }?.let { 400 - "Invalid character '$it' in username" }
 }
 
 fun toFullWidth(input: String): String {
diff --git a/src/main/java/icu/samnyan/aqua/net/games/mai2/Maimai2.kt b/src/main/java/icu/samnyan/aqua/net/games/mai2/Maimai2.kt
index d51eabc4..03113c50 100644
--- a/src/main/java/icu/samnyan/aqua/net/games/mai2/Maimai2.kt
+++ b/src/main/java/icu/samnyan/aqua/net/games/mai2/Maimai2.kt
@@ -26,9 +26,7 @@ class Maimai2(
     // Only show > S rank
     override val shownRanks = mai2Scores.filter { it.first >= 97 * 10000 }
     override val settableFields: Map<String, (Mai2UserDetail, String) -> Unit> by lazy {
-        mapOf(
-            "userName" to usernameCheck(SEGA_USERNAME_CAHRS),
-        )
+        mapOf("userName" to usernameCheck(SEGA_USERNAME_CAHRS))
     }
 
     override suspend fun userSummary(@RP username: Str, @RP token: String?) = us.cardByName(username) { card ->