style：证书证明预览

 <!--
  * @Description:
  * @Autor: renchao
- * @LastEditTime: 2023-08-31 09:48:52
+ * @LastEditTime: 2023-09-06 15:30:05
 -->
 <template>
   <div class="from-clues loadingtext" v-Loading="loading" element-loading-text="拼命加载中..." style="height:720px;text-align: center;">
@@ -143,7 +143,7 @@
         const image = new Image();
         image.onload = () => {
           context.drawImage(image, 0, 0);
-          context.font = '16px 楷体';
+          context.font = '18px 楷体';
           context.fillStyle = '#000000';
           context.fillText(this.bdcqz.sjjc ? this.bdcqz.sjjc : '', 60, 56);
           context.fillText(this.bdcqz.djnd ? this.bdcqz.djnd : '', 113, 56);
@@ -374,7 +374,7 @@
         const image = new Image();
         image.onload = () => {
           context.drawImage(image, 0, 0);
-          context.font = '16px 楷体';
+          context.font = '18px 楷体';
           context.fillStyle = '#000000';
           // ysxlh
           context.fillText(this.bdcqz.ysxlh ? this.bdcqz.ysxlh : '', 280, 712);
@@ -472,7 +472,7 @@
                 })
               }
             } else {
-              context.fillText(lines[i] ? lines[i] : '', 770, 440 + 4 * num + (22 * (i - 1)));
+              context.fillText(lines[i] ? lines[i] : '', 770, 440 + 5 * num + (22 * (i - 1)));
               // if (i > 0) {
               //   context.fillText(lines[i] ? lines[i] : '', 770, 440 + 5 * num + (23 * (i - 1)));
               // } else {