diff --git a/src/app/modules/admin/game/powerball/models/powerball.ts b/src/app/modules/admin/game/powerball/models/powerball.ts
index f8a0a1d..d88ed07 100644
--- a/src/app/modules/admin/game/powerball/models/powerball.ts
+++ b/src/app/modules/admin/game/powerball/models/powerball.ts
@@ -1,20 +1,20 @@
 export interface Powerball {
-  id: string;
-  nickname: string;
-  startDate: string;
-  finishDate: string;
-  totalBetting: string;
-  winningMoney: number;
-  proceedingMoney: number;
-  calculate: number;
-  index: string;
-  division: string;
-  rank: string;
-  bettingProgress: string;
-  odds: number;
-  bettingMoney: number;
-  hitMoney: number;
-  bettingTime: string;
-  result: string;
-  delete: string;
+  id?: string;
+  nickname?: string;
+  startDate?: string;
+  finishDate?: string;
+  totalBetting?: string;
+  winningMoney?: number;
+  proceedingMoney?: number;
+  calculate?: number;
+  index?: string;
+  division?: string;
+  rank?: string;
+  bettingProgress?: string;
+  odds?: number;
+  bettingMoney?: number;
+  hitMoney?: number;
+  bettingTime?: string;
+  result?: string;
+  delete?: string;
 }