diff --git a/src/components/SimpleUploader/globalUploader.vue b/src/components/SimpleUploader/globalUploader.vue
index fa94bf6..705f9c0 100755
--- a/src/components/SimpleUploader/globalUploader.vue
+++ b/src/components/SimpleUploader/globalUploader.vue
@@ -99,11 +99,11 @@ export default {
       username: this.$store.state.user.name,
       options: {
         target: api.simpleUploadURL,
-        chunkSize: 1 * 1024 * 1024,
+        chunkSize: 2 * 1024 * 1024,
         // speedSmoothingFactor: 0.1,
         // progressCallbacksInterval: 500,
-        maxChunkRetries: 5, // 最大重试次数
-        simultaneousUploads: 10, // 并发上传数
+        maxChunkRetries: 3, // 最大重试次数
+        simultaneousUploads: 5, // 并发上传数
         testChunks: true, // 是否开启服务器分片校验
         // 服务器分片校验函数，秒传及断点续传基础
         checkChunkUploadedByResponse: function (chunk, message) {