update

src/components/studyStudent.vue

@@ -11526,8 +11526,12 @@ export default {
       const x = new XMLHttpRequest();
       x.open("GET", _url, true);
       x.responseType = "blob";
-      const loading = this.openLoading();
-      _this.$message.success("文件下载中...");
+      const loading = _this.$loading.service({
+        background: "rgba(255, 255, 255, 0.7)",
+        target: document.body,
+        text:'文件加载中...'
+      });
+      // _this.$message.success("文件下载中...");
       x.onload = function (e) {
         loading.close();
         // const url = window.URL.createObjectURL(x.response);