diff --git a/src/app/(main)/chart/_components/constants.ts b/src/app/(main)/chart/_components/constants.ts
index 587685b..ab614ab 100644
--- a/src/app/(main)/chart/_components/constants.ts
+++ b/src/app/(main)/chart/_components/constants.ts
@@ -3,7 +3,7 @@ import dayjs from "dayjs";
 export const RANGE_DAYS = [7, 30, 90] as const;
 export const TOP_ITEMS_LIMIT_OPTIONS = [10, 20, 50, 100] as const;
 export const ITEM_CODE_DEBOUNCE_MS = 400;
-export const DEFAULT_RANGE_DAYS = 30;
+export const DEFAULT_RANGE_DAYS = 7;
 
 export function toDateRange(rangeDays: number) {
   const end = dayjs().format("YYYY-MM-DD");