diff --git a/taiwan-trade-refactor/js/map.js b/taiwan-trade-refactor/js/map.js
index af888a0..e67f8f3 100644
--- a/taiwan-trade-refactor/js/map.js
+++ b/taiwan-trade-refactor/js/map.js
@@ -137,6 +137,7 @@ function updateChapterLocations(isMobile) {
         chapter.location.center = [120.74709, 23.97749];
       }
       if (chapter.id === "chapter1") {
+        chapter.location.zoom = 3;
         chapter.location.center = [120.74709, 23.97749];
       }
       if (chapter.id === "chapter2") {