diff --git a/src/store/modules/trials.js b/src/store/modules/trials.js
index 0422295e..cb52300b 100644
--- a/src/store/modules/trials.js
+++ b/src/store/modules/trials.js
@@ -9,7 +9,7 @@ const getDefaultState = () => {
     studyListQuery: null,
     unlock: false,
     config: {},
-    uploadTip: '0.00kb/s',
+    uploadTip: '0.00KB/s',
     timer: null,
     whiteList: [],
     checkTaskId: null
diff --git a/src/utils/multipartUpload/aws.js b/src/utils/multipartUpload/aws.js
index 3de55a21..0fdd1a90 100644
--- a/src/utils/multipartUpload/aws.js
+++ b/src/utils/multipartUpload/aws.js
@@ -14,7 +14,7 @@ export function AWSclose() {
     if (timer) {
         clearInterval(timer);
         timer = null;
-        store.state.trials.uploadTip = '0kb/s'
+        store.state.trials.uploadTip = '0KB/s'
     }
     bytesReceivedPerSecond = {};
 }
@@ -440,10 +440,10 @@ function setTimer() {
         let timeList = Object.keys(bytesReceivedPerSecond).sort((a, b) => a - b);
         if (timeList.length > 0) {
             let totalBytes = timeList.reduce((sum, bytes) => sum + bytesReceivedPerSecond[bytes], 0) / (5 * 1024);
-            let unit = 'kb/s';
+            let unit = 'KB/s';
             if (totalBytes > 1024) {
                 totalBytes = totalBytes / 1024;
-                unit = "mb/s";
+                unit = "MB/s";
             }
             store.state.trials.uploadTip = totalBytes.toFixed(2) + unit;
         }
diff --git a/src/utils/multipartUpload/oss.js b/src/utils/multipartUpload/oss.js
index 5ee667b4..16405723 100644
--- a/src/utils/multipartUpload/oss.js
+++ b/src/utils/multipartUpload/oss.js
@@ -8,7 +8,7 @@ export function OSSclose() {
     if (timer) {
         clearInterval(timer);
         timer = null;
-        store.state.trials.uploadTip = '0kb/s'
+        store.state.trials.uploadTip = '0KB/s'
     }
     bytesReceivedPerSecond = {};
     savaData = {};
@@ -140,10 +140,10 @@ function setTimer() {
         let timeList = Object.keys(bytesReceivedPerSecond).sort((a, b) => a - b);
         if (timeList.length > 0) {
             let totalBytes = timeList.reduce((sum, bytes) => sum + bytesReceivedPerSecond[bytes], 0) / (5 * 1024);
-            let unit = 'kb/s';
+            let unit = 'KB/s';
             if (totalBytes > 1024) {
                 totalBytes = totalBytes / 1024;
-                unit = "mb/s";
+                unit = "MB/s";
             }
             store.state.trials.uploadTip = totalBytes.toFixed(2) + unit;
         }
diff --git a/vue.config.js b/vue.config.js
index ea3e8bf9..f7fb01e5 100644
--- a/vue.config.js
+++ b/vue.config.js
@@ -24,10 +24,10 @@ module.exports = {
   productionSourceMap: false,
   devServer: {
     port: '8080',
-    headers: {
-      'Cross-Origin-Opener-Policy': 'same-origin',
-      'Cross-Origin-Embedder-Policy': 'require-corp'
-    },
+    // headers: {
+    //   'Cross-Origin-Opener-Policy': 'same-origin',
+    //   'Cross-Origin-Embedder-Policy': 'require-corp'
+    // },
     // open: true,
     overlay: {
       warnings: false,