diff --git a/src/hooks/usePolygon.js b/src/hooks/usePolygon.js
index 9c690a6b..3e24920c 100644
--- a/src/hooks/usePolygon.js
+++ b/src/hooks/usePolygon.js
@@ -427,12 +427,13 @@ export const usePolygon = () => {
       text = '西西南'
     }
 
-    const sameDirectionCnt = canvas.getObjects().filter((obj) => obj.name === POLYGON_TYPE.ROOF && obj.directionText === text)
+    const sameDirectionCnt = canvas.getObjects().filter((obj) => {
+      const onlyStrDirection = obj.directionText?.replace(/[0-9]/g, '')
+      return obj.name === POLYGON_TYPE.ROOF && onlyStrDirection === 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',