调整预览图精度bug

packages/artplayer-tool-thumbnail/src/index.js

@@ -164,11 +164,12 @@ class ArtplayerToolThumbnail extends Emitter {
         const { number, width, height, column } = this.option;
         const { duration } = this.video;
         const timeGap = duration / number;
-        const timePoints = [0];
+        const timePoints = [timeGap];
         while (timePoints.length < number) {
             const last = timePoints[timePoints.length - 1];
             timePoints.push(last + timeGap);
         }
+        console.log(timePoints);
         return timePoints.map((item, index) => ({
             time: item - timeGap / 2,
             x: (index % column) * width,