diff --git a/AquaMai/AquaMai.Config/Migration/ConfigMigration_V1_0_V2_0.cs b/AquaMai/AquaMai.Config/Migration/ConfigMigration_V1_0_V2_0.cs
index 3b46ca0a..ae6226d0 100644
--- a/AquaMai/AquaMai.Config/Migration/ConfigMigration_V1_0_V2_0.cs
+++ b/AquaMai/AquaMai.Config/Migration/ConfigMigration_V1_0_V2_0.cs
@@ -133,7 +133,7 @@ public IConfigView Migrate(IConfigView src)
         if (src.GetValueOrDefault<bool>("Fix.ForcePaidPlay"))
         {
             dst.SetValue("GameSettings.CreditConfig.IsFreePlay", false);
-            dst.SetValue("GameSettings.CreditConfig.LockCredits", 24);
+            dst.SetValue("GameSettings.CreditConfig.LockCredits", 24u);
         }
         MapValueToEntryValueIfNonNullOrDefault(src, dst, "Fix.ExtendNotesPool", "Fancy.GamePlay.ExtendNotesPool.Count", 0);
         MapBooleanTrueToSectionEnable(src, dst, "Fix.FrameRateLock", "Tweaks.LockFrameRate");
@@ -159,7 +159,7 @@ public IConfigView Migrate(IConfigView src)
         MapBooleanTrueToSectionEnable(src, dst, "Utils.LogUserId", "Utils.LogUserId");
         MapValueToEntryValueIfNonNullOrDefault<double>(src, dst, "Utils.JudgeAdjustA", "GameSettings.JudgeAdjust.A", 0);
         MapValueToEntryValueIfNonNullOrDefault<double>(src, dst, "Utils.JudgeAdjustB", "GameSettings.JudgeAdjust.B", 0);
-        MapValueToEntryValueIfNonNullOrDefault(src, dst, "Utils.TouchDelay", "GameSettings.JudgeAdjust.TouchDelay", 0);
+        MapValueToEntryValueIfNonNullOrDefault(src, dst, "Utils.TouchDelay", "GameSettings.JudgeAdjust.TouchDelay", 0u);
         MapBooleanTrueToSectionEnable(src, dst, "Utils.SelectionDetail", "UX.SelectionDetail");
         MapBooleanTrueToSectionEnable(src, dst, "Utils.ShowNetErrorDetail", "Utils.ShowNetErrorDetail");
         MapBooleanTrueToSectionEnable(src, dst, "Utils.ShowErrorLog", "Utils.ShowErrorLog");
diff --git a/AquaMai/AquaMai.Mods/GameSettings/CreditConfig.cs b/AquaMai/AquaMai.Mods/GameSettings/CreditConfig.cs
index 132de3d3..52b472f4 100644
--- a/AquaMai/AquaMai.Mods/GameSettings/CreditConfig.cs
+++ b/AquaMai/AquaMai.Mods/GameSettings/CreditConfig.cs
@@ -25,7 +25,7 @@ private static bool PreIsFreePlay(ref bool __result)
     [ConfigEntry(
         en: "Lock credits amount (only valid in Paid Play). Set to 0 to disable.",
         zh: "锁定可用点数数量（仅在付费游玩时有效），设为 0 以禁用")]
-    private static readonly uint lockCredits = 24;
+    private static readonly uint lockCredits = 24u;
 
     private static bool ShouldLockCredits => !isFreePlay && lockCredits > 0;
 
@@ -43,7 +43,7 @@ private static bool PreIsGameCostEnough(ref bool __result)
     [HarmonyPatch(typeof(AMDaemon.CreditUnit), "Credit", MethodType.Getter)]
     private static bool PreCredit(ref uint __result)
     {
-        __result = 24;
+        __result = lockCredits;
         return false;
     }
 }