打印设置间距

src/views/bookShelf/components/PrintModel.vue

@@ -967,7 +967,7 @@ export default {
               this.isPrint = true;
               const element = document.getElementById("showWaterMark");
               const opt = {
-                margin: [2.5, 0, 2.5, 0],
+                margin: [2.5, 0, 5.1, 0],
                 useCORS: true,
                 filename: "二十一世纪英语智慧阅读平台.pdf",
                 image: { type: "jpeg", quality: 0.98 },