diff --git a/OshimaCore/Controllers/FunGameController.cs b/OshimaCore/Controllers/FunGameController.cs
index e88415b..ea61a53 100644
--- a/OshimaCore/Controllers/FunGameController.cs
+++ b/OshimaCore/Controllers/FunGameController.cs
@@ -3518,7 +3518,11 @@ namespace Oshima.Core.Controllers
             if (pc.Count > 0)
             {
                 User user = FunGameService.GetUser(pc);
-                bool sign = pc.Get<bool>("signed");
+                bool sign = false;
+                if (pc.TryGetValue("signed", out object? value) && value is bool temp && temp)
+                {
+                    sign = true;
+                }
 
                 if (sign)
                 {
diff --git a/OshimaCore/Utils/FunGameService.cs b/OshimaCore/Utils/FunGameService.cs
index 2eaf4c9..d9fae3c 100644
--- a/OshimaCore/Utils/FunGameService.cs
+++ b/OshimaCore/Utils/FunGameService.cs
@@ -680,8 +680,8 @@ namespace Oshima.Core.Utils
         {
             string msg = "签到成功！本次签到获得：";
             int currency = Random.Shared.Next(1000, 3000);
-            msg += $"{currency} 金币和";
-            int material = Random.Shared.Next(1000, 3000);
+            msg += $"{currency} 金币和 ";
+            int material = Random.Shared.Next(5, 15);
             msg += $"{material} 材料！额外获得：";
             user.Inventory.Credits += currency;
             user.Inventory.Materials += material;