diff --git a/src/client/helper/nav.ts b/src/client/helper/nav.ts
index a14e920..46e5935 100644
--- a/src/client/helper/nav.ts
+++ b/src/client/helper/nav.ts
@@ -6,7 +6,7 @@ var nav = {
 };
 
 
-const sideScroll = function (element: Element, direction: 'left' | 'right' | 'none', speed: number, step: number) {
+const sideScroll = function (element: Element, direction: 'left' | 'right' | 'none', speed: number = 25, step: number = 15) {
     nav.scrollDir = direction
     if (direction == 'none') return;
     nav.scrollInterval = setInterval(() => {
@@ -38,7 +38,7 @@ export const nav_mousemove = function (e: PointerEvent) {
             (left > c.offsetWidth * 0.9 ? 'right' : 'none')
     if (!nav.scrollInterval || nav.scrollDir != newDir) {
         if (nav.scrollInterval) clearInterval(nav.scrollInterval)
-        sideScroll(c, newDir, 25, 10);
+        sideScroll(c, newDir);
     }
 }
 export const nav_mouseleave = function (_e: PointerEvent) {