diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index 2a024626..99845d46 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -177,6 +177,12 @@ export const usePolygon = () => {
     if (polygon.points.length < 3) {
       return
     }
+    // 모듈있으면 화살표 이미 그려져 있으므로 수행 안함
+    const hasModules = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.MODULE).length > 0
+
+    if (hasModules) {
+      return
+    }
     const direction = polygon.direction
     if (!direction) {
       return