fix 文件上传控件错误提示优化

@@ -67,7 +67,7 @@
  * @param file_type[Array] 文件上传类型
  * @param multiple[Boolean] 文件多选
  */
-import { showSuccessToast, showFailToast } from "vant";
+import { showSuccessToast, showFailToast, showToast } from "vant";
 import _ from "lodash";
 import { v4 as uuidv4 } from "uuid";
 import { qiniuTokenAPI, qiniuUploadAPI, saveFileAPI } from "@/api/common";
@@ -107,12 +107,12 @@ const beforeRead = (file) => {
   if (fileList.value.length + 1 > props.item.component_props.max_count) {
     // 数量限制
     flag = false;
-    showFailToast(`最大上传数量为${props.item.component_props.max_count}`);
+    showToast(`最大上传数量为${props.item.component_props.max_count}个`);
   }
   if (file.size > props.item.component_props.max_size) {
     // 体积限制
     flag = false;
-    showFailToast(
+    showToast(
       `最大文件体积为${(props.item.component_props.max_size / 1024 / 1024).toFixed(2)}MB`
     );
   }