feat:1.0.2 bug修复，引导页优化

miniprogram/pages/index/index.ts

@@ -1,6 +1,7 @@
 import { WATER_COLORS, PAPER_SIZE } from '../../constants/colors';
 import { WORDS } from '../../constants/words';
 import TextDrawService from '../../service/textDrawService';
+import { checkAndSaveImage } from '../../utils/saveImage';
 
 Page({
     canvas: null as Canvas | null,
@@ -196,26 +197,7 @@ Page({
     /** 下载打印 */
     exportToPrint() {
         if (this.canvas && this.data.cardList.length > 0) {
-            wx.canvasToTempFilePath({
-                canvas: this.canvas,
-                fileType: 'png',
-                quality: 1,
-                success: (res) => {
-                    wx.getImageInfo({
-                        src: res.tempFilePath,
-                        success: (res) =>
-                            console.log(
-                                'getImageInfo image size :',
-                                res.width,
-                                res.height,
-                            ), // 应输出2480x3508
-                    });
-                    wx.saveImageToPhotosAlbum({
-                        filePath: res.tempFilePath,
-                        success: () => wx.showToast({ title: '保存成功' }),
-                    });
-                },
-            });
+            checkAndSaveImage(this.canvas);
             return;
         }
     },