diff --git a/game-server/app/services/checkParam.ts b/game-server/app/services/checkParam.ts
index b3a904af4..aae405589 100644
--- a/game-server/app/services/checkParam.ts
+++ b/game-server/app/services/checkParam.ts
@@ -978,14 +978,14 @@ export function checkRouteParam(route: string, msg: any) {
             {
                 let { cityId, code, damage, hid, round } = msg;
                 if(!checkNaturalNumbers(cityId, damage, hid, round)) return false;
-                if(!checkNumberArray(code)) return false;
+                if(!checkNaturalStrings(code)) return false;
                 break;
             }
         case "guild.cityActivityHandler.battleEnd":
             {
                 let { cityId, code, isSuccess } = msg;
                 if(!checkNaturalNumbers(cityId)) return false;
-                if(!checkNumberArray(code)) return false;
+                if(!checkNaturalStrings(code)) return false;
                 if(!checkBoolean(isSuccess)) return false;
                 break;
             }