diff --git a/src/utils/oss.js b/src/utils/oss.js
index 0cb5440..f7ce065 100644
--- a/src/utils/oss.js
+++ b/src/utils/oss.js
@@ -68,7 +68,9 @@ async function ossGenerateSTS() {
               const reader = new FileReader();
               reader.onload = (ex) => {
                 const bufferStream = new stream.PassThrough()
-                bufferStream.end(Buffer.from(ex.target.result))
+                bufferStream.end(Buffer.from(ex.target.result)) 
+                // minioClient.bucketExists('ecgdata'
+                console.log(Vue.prototype.OSSclientConfig.bucketName, objectName, bufferStream)
                 minioClient.putObject(Vue.prototype.OSSclientConfig.bucketName, objectName, bufferStream, function(err,etag) {
                   if (err) {
                     console.log(err)