diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index 4a8ecfdc..9c690a6b 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -427,6 +427,12 @@ export const usePolygon = () => {
       text = '西西南'
     }
 
+    const sameDirectionCnt = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.ROOF && obj.directionText === text)
+
+    text = text + (sameDirectionCnt.length + 1)
+
+    polygon.set('directionText', text)
+
     const textObj = new fabric.Text(`${text} (${currentAngleType === ANGLE_TYPE.SLOPE ? arrow.pitch : getDegreeByChon(arrow.pitch)}${pitchText})`, {
       fontFamily: flowFontOptions.fontFamily.value,
       fontWeight: flowFontOptions.fontWeight.value.toLowerCase().includes('bold') ? 'bold' : 'normal',