diff --git a/hwe/ts/battle_simulator.ts b/hwe/ts/battle_simulator.ts
index 1ce8ab5f..f9958772 100644
--- a/hwe/ts/battle_simulator.ts
+++ b/hwe/ts/battle_simulator.ts
@@ -5,7 +5,8 @@ import 'bootstrap';
 import download from 'downloadjs';
 import { unwrap } from "./util/unwrap";
 import { isInteger } from 'lodash';
-import { combineArray, errUnknown, getNpcColor, isBrightColor, numberWithCommas } from './common_legacy';
+import { combineArray, errUnknown, getNpcColor, isBrightColor } from './common_legacy';
+import { numberWithCommas } from "./util/numberWithCommas";
 import { unwrap_any } from './util/unwrap_any';
 import { BasicGeneralListResponse, InvalidResponse } from './defs';
 import { formatTime } from './util/formatTime';
diff --git a/hwe/ts/common_legacy.ts b/hwe/ts/common_legacy.ts
index 13ae6830..a3f247b6 100644
--- a/hwe/ts/common_legacy.ts
+++ b/hwe/ts/common_legacy.ts
@@ -76,10 +76,6 @@ export function convColorValue(color: string): string {
 }
 
 
-export function numberWithCommas(x: number): string {
-    return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
-}
-
 //linkify가 불러와 있어야함
 declare global {
     interface Window {
diff --git a/hwe/ts/util/numberWithCommas.ts b/hwe/ts/util/numberWithCommas.ts
new file mode 100644
index 00000000..971045f7
--- /dev/null
+++ b/hwe/ts/util/numberWithCommas.ts
@@ -0,0 +1,5 @@
+
+
+export function numberWithCommas(x: number): string {
+    return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
+}