diff --git a/internal/tools/exporter.go b/internal/tools/exporter.go
index 533c249..8d7b16e 100644
--- a/internal/tools/exporter.go
+++ b/internal/tools/exporter.go
@@ -384,8 +384,17 @@ func (e *Exporter) fetchCaiyunRealtimeWind(ctx context.Context, lat, lon float64
 	if strings.ToLower(data.Status) != "ok" || strings.ToLower(data.Result.Realtime.Status) != "ok" {
 		return 0, 0, false
 	}
-	// 使用 SI 单位，风速直接为 m/s
-	return data.Result.Realtime.Wind.Speed, data.Result.Realtime.Wind.Direction, true
+	// 使用 SI 单位，风速为 m/s；风向为弧度，这里转换为度[0,360)
+	spd := data.Result.Realtime.Wind.Speed
+	dirRad := data.Result.Realtime.Wind.Direction
+	dirDeg := dirRad * 180.0 / math.Pi
+	for dirDeg < 0 {
+		dirDeg += 360
+	}
+	for dirDeg >= 360 {
+		dirDeg -= 360
+	}
+	return spd, dirDeg, true
 }
 
 func ensureFileWithHeader(path string) bool {