Merge pull request '解决域名方式上传数据集导致浏览器内存泄露问题' (#158) from fix-57 into V20210731

Reviewed-on: https://git.openi.org.cn/OpenI/aiforge/pulls/158

web_src/js/components/MinioUploader.vue

@@ -298,7 +298,7 @@ export default {
           File.prototype.slice ||
           File.prototype.mozSlice ||
           File.prototype.webkitSlice,
-        chunkSize = 1024 * 1024 * 64,
+        chunkSize = 1024 * 1024 * 32,
         chunks = Math.ceil(file.size / chunkSize),
         fileReader = new FileReader(),
         time = new Date().getTime();