diff --git a/TOOHUCardAPI/DTO/GameConfigResponse.cs b/TOOHUCardAPI/DTO/GameConfigResponse.cs
index 194a01a..428e325 100644
--- a/TOOHUCardAPI/DTO/GameConfigResponse.cs
+++ b/TOOHUCardAPI/DTO/GameConfigResponse.cs
@@ -20,13 +20,13 @@ namespace TOOHUCardAPI.DTO
     public class GameConfigResponse
     {
 	    private static string SUCCESS_CODE = "0000";
-	    private static string DEFAULT_GAME_MESSAGE = "Welcome to english Touhou Card";
+	    private static string DEFAULT_GAME_MESSAGE = "Welcome to english Touhou Card.";
 	    [JsonProperty("code")] public string Code { get; set; } = SUCCESS_CODE;
 	    [JsonProperty("msg")] public string Message { get; set; } = string.Empty;
 	    [JsonProperty("game_code")] public string GameCode { get; set; } = string.Empty;
 	    [JsonProperty("game_msg")] public string GameMessage { get; set; } = DEFAULT_GAME_MESSAGE;
 	    [JsonProperty("luck_card")] public string LuckCard { get; set; } = string.Empty;
-	    [JsonProperty("luck_crit")] public float LuckCrit { get; set; } = .25f;
+	    [JsonProperty("luck_crit")] public int LuckCrit { get; set; } = 250; // = crit damage, /10 = crit chance
 	    [JsonProperty("new_card_list")] public string NewCardList { get; set; } = string.Empty;
 	    [JsonProperty("open_day_list")] public string OpenDayList { get; set; } = string.Empty;
 	    [JsonProperty("is_open_day")] public int IsOpenDay { get; set; } = 1;
diff --git a/TOOHUCardAPI/Data/Services/GameConfigurationService.cs b/TOOHUCardAPI/Data/Services/GameConfigurationService.cs
index 745e934..7f0b835 100644
--- a/TOOHUCardAPI/Data/Services/GameConfigurationService.cs
+++ b/TOOHUCardAPI/Data/Services/GameConfigurationService.cs
@@ -36,6 +36,7 @@ namespace TOOHUCardAPI.Data.Services
             var enumerable = validCards as string[] ?? validCards.ToArray();
             var index = random.Next(0, enumerable.Length);
             response.LuckCard = enumerable.ElementAt(index);
+            response.GameMessage = response.GameMessage + $" Today's lucky card is {response.LuckCard}!";
             return response;
         }
     }