diff --git a/README.md b/README.md
index 5ff24d2de..28a9bcc6b 100644
--- a/README.md
+++ b/README.md
@@ -1525,8 +1525,8 @@ parameters:
   - [parallel] {Number} the number of parts to be uploaded in parallel
   - [partSize] {Number} the suggested size for each part
   - [progress] {Function} the progress callback called after each
-    successful upload of one part, it will be given two parameters:
-    (percentage {Number}, checkpoint {Object})
+    successful upload of one part, it will be given three parameters:
+    (percentage {Number}, checkpoint {Object}, res {Object})
   - [checkpoint] {Object} the checkpoint to resume upload, if this is
     provided, it will continue the upload from where interrupted,
     otherwise a new multipart upload will be created.
@@ -1559,17 +1559,19 @@ console.log(result);
 var result = yield store.multipartUpload('object', '/tmp/file', {
   parallel: 4,
   partSize: 1024 * 1024,
-  progress: function* (p, cpt) {
+  progress: function* (p, cpt, res) {
     console.log(p);
     console.log(cpt);
+    console.log(res.headers['x-oss-request-id']);
   }
 });
 
 var result = yield store.multipartUpload('object', '/tmp/file', {
   checkpoint: savedCpt,
-  progress: function* (p, cpt) {
+  progress: function* (p, cpt, res) {
     console.log(p);
     console.log(cpt);
+    console.log(res.headers['x-oss-request-id']);
   }
 });
 
diff --git a/lib/browser/multipart.js b/lib/browser/multipart.js
index ee5fd5267..e5ed3724f 100644
--- a/lib/browser/multipart.js
+++ b/lib/browser/multipart.js
@@ -73,6 +73,11 @@ proto.multipartUpload = function* multipartUpload(name, file, options) {
     doneParts: []
   };
 
+  if (options && options.progress) {
+    yield options.progress(0, checkpoint, result.res);
+  }
+
+
   return yield this._resumeMultipart(checkpoint, options);
 };
 
@@ -108,7 +113,7 @@ proto._resumeMultipart = function* _resumeMultipart(checkpoint, options) {
     checkpoint.doneParts = doneParts;
 
     if (options && options.progress) {
-      yield options.progress(doneParts.length / numParts, checkpoint);
+      yield options.progress(doneParts.length / numParts, checkpoint, result.res);
     }
   };
 
diff --git a/lib/browser/version.js b/lib/browser/version.js
index 79c4b15d0..b7d059476 100644
--- a/lib/browser/version.js
+++ b/lib/browser/version.js
@@ -1 +1 @@
-exports.version="4.11.2"
\ No newline at end of file
+exports.version="4.11.3"
\ No newline at end of file
diff --git a/lib/multipart.js b/lib/multipart.js
index fc6b10f8a..927a8c152 100644
--- a/lib/multipart.js
+++ b/lib/multipart.js
@@ -73,6 +73,10 @@ proto.multipartUpload = function* multipartUpload(name, file, options) {
     doneParts: []
   };
 
+  if (options && options.progress) {
+    yield options.progress(0, checkpoint, result.res);
+  }
+
   return yield this._resumeMultipart(checkpoint, options);
 };
 
@@ -108,7 +112,7 @@ proto._resumeMultipart = function* _resumeMultipart(checkpoint, options) {
     checkpoint.doneParts = doneParts;
 
     if (options && options.progress) {
-      yield options.progress(doneParts.length / numParts, checkpoint);
+      yield options.progress(doneParts.length / numParts, checkpoint, result.res);
     }
   };
 
diff --git a/test/browser.tests.js b/test/browser.tests.js
index 11f258b34..adb901964 100644
--- a/test/browser.tests.js
+++ b/test/browser.tests.js
@@ -20,11 +20,11 @@ timemachine.reset();
 describe('browser', function () {
   before(function* () {
     ossConfig = {
-        region: stsConfig.region,
-        accessKeyId: stsConfig.Credentials.AccessKeyId,
-        accessKeySecret: stsConfig.Credentials.AccessKeySecret,
-        stsToken: stsConfig.Credentials.SecurityToken,
-        bucket: stsConfig.bucket
+      region: stsConfig.region,
+      accessKeyId: stsConfig.Credentials.AccessKeyId,
+      accessKeySecret: stsConfig.Credentials.AccessKeySecret,
+      stsToken: stsConfig.Credentials.SecurityToken,
+      bucket: stsConfig.bucket
     };
     // this.store = oss({
     //   region: stsConfig.region,
@@ -423,7 +423,7 @@ describe('browser', function () {
       result.objects.map(checkObjectProperties);
       assert.equal(result.nextMarker, null);
       assert(!result.isTruncated);
-      assert.deepEqual(result.prefixes, [ this.listPrefix + 'fun/', this.listPrefix + 'other/' ]);
+      assert.deepEqual(result.prefixes, [this.listPrefix + 'fun/', this.listPrefix + 'other/']);
 
       var result = yield this.store.list({
         prefix: this.listPrefix + 'fun/',
@@ -447,7 +447,7 @@ describe('browser', function () {
     });
   });
 
-  describe('put', function() {
+  describe('put', function () {
     before(function* () {
       this.store = oss(ossConfig);
     });
@@ -531,7 +531,7 @@ describe('browser', function () {
       assert.equal(urlRes.data.toString(), result.content.toString());
     });
 
-    it('should signature url with custom host ok', function() {
+    it('should signature url with custom host ok', function () {
       var store = oss(Object.assign({}, ossConfig, {
         endpoint: 'www.aliyun.com',
         cname: true
@@ -543,7 +543,7 @@ describe('browser', function () {
     });
   });
 
-  describe('multipart', function() {
+  describe('multipart', function () {
     before(function* () {
       this.store = oss(ossConfig);
     });
@@ -727,7 +727,7 @@ describe('browser', function () {
       it('should upload file using multipart upload', function* () {
         // create a file with 1M random data
         // var fileName = yield utils.createTempFile('multipart-upload-file', 1024 * 1024);
-        var fileContent = Array(1024*1024).fill('a').join('')
+        var fileContent = Array(1024 * 1024).fill('a').join('')
         var file = new File([fileContent], 'multipart-fallback');
 
         var name = prefix + 'multipart/upload-file.js';
@@ -743,14 +743,14 @@ describe('browser', function () {
         });
         sinon.restore();
         assert.equal(result.res.status, 200);
-        assert.equal(progress, 11);
+        assert.equal(progress, 12);
 
         var object = yield this.store.get(name);
         assert.equal(object.res.status, 200);
 
-        var fileBuf=new Uint8Array(fileContent.length);
-        for(var i=0,j=fileContent.length;i<j;++i){
-          fileBuf[i]=fileContent.charCodeAt(i);
+        var fileBuf = new Uint8Array(fileContent.length);
+        for (var i = 0, j = fileContent.length; i < j; ++i) {
+          fileBuf[i] = fileContent.charCodeAt(i);
         }
 
         assert.equal(object.content.length, fileBuf.length);
@@ -758,6 +758,23 @@ describe('browser', function () {
         assert.deepEqual(md5(object.content), md5(fileBuf));
       });
 
+      it('return requestId in init, upload part, complete', function* () {
+        var fileContent = Array(1024 * 1024).fill('a').join('')
+        var file = new File([fileContent], 'multipart-fallback');
+        var name = prefix + 'multipart/fallback';
+        var result = yield this.store.multipartUpload(name, file, {
+            progress: function (p, checkpoint, res) {
+              return function (done) {
+                assert.equal(true, res && Object.keys(res).length !== 0);
+                done();
+              }
+            }
+          }
+        );
+        assert.equal(true, result.res && Object.keys(result.res).length !== 0);
+        assert.equal(result.res.status, 200);
+      });
+
       // it('should upload file using multipart upload with exception', function* () {
       //   // create a file with 1M random data
       //   var fileContent = Array(1024*1024).fill('a').join('')
@@ -788,7 +805,7 @@ describe('browser', function () {
     });
   });
 
-  describe('request time is skew', function() {
+  describe('request time is skew', function () {
     before(function* () {
       this.store = oss(ossConfig);
     });
diff --git a/test/multipart.test.js b/test/multipart.test.js
index 3ada33402..f3914ca13 100644
--- a/test/multipart.test.js
+++ b/test/multipart.test.js
@@ -220,7 +220,7 @@ describe('test/multipart.test.js', function () {
         }
       });
       assert.equal(result.res.status, 200);
-      assert.equal(progress, 11);
+      assert.equal(progress, 12);
 
       var object = yield this.store.get(name);
       assert.equal(object.res.status, 200);
@@ -368,7 +368,7 @@ describe('test/multipart.test.js', function () {
         }
       });
       assert.equal(result.res.status, 200);
-      assert.equal(progress, 11);
+      assert.equal(progress, 12);
 
       var object = yield this.store.get(name);
       assert.equal(object.res.status, 200);
@@ -398,5 +398,21 @@ describe('test/multipart.test.js', function () {
       assert.equal(result.res.status, 200);
       assert.equal(result.data.Status, 'OK');
     });
+
+    it('return requestId in init, upload part, complete', function* () {
+      var fileName = yield utils.createTempFile('multipart-upload-file', 1024 * 1024);// 1m
+      var name = prefix + 'multipart/upload-file';
+
+      var result = yield this.store.multipartUpload(name, fileName, {
+          progress: function (p, checkpoint, res) {
+            assert.equal(true, res && Object.keys(res).length !== 0);
+          }
+        }
+      );
+      assert.equal(true, result.res && Object.keys(result.res).length !== 0);
+      assert.equal(result.res.status, 200);
+
+    });
+
   });
 });
diff --git a/test/wrapper.test.js b/test/wrapper.test.js
index f8a263fc0..eac8eb460 100644
--- a/test/wrapper.test.js
+++ b/test/wrapper.test.js
@@ -15,7 +15,7 @@ describe('test/wrapper.test.js', () => {
 
   before(function* () {
     this.store = OSS(config);
-    this.bucket = 'ali-oss-test-object-bucket-' + prefix.replace(/[\/\.]/g, '-');
+    this.bucket = 'ali-oss-test-wrapper-bucket-' + prefix.replace(/[\/\.]/g, '-');
     this.bucket = this.bucket.substring(0, this.bucket.length - 1);
     this.region = config.region;
 
@@ -76,7 +76,7 @@ describe('test/wrapper.test.js', () => {
       }
     }).then(function (val) {
       assert.equal(val.res.status, 200);
-      assert.equal(count, Math.ceil(1024 / 100));
+      assert.equal(count, 12);
 
       return store.get(name);
     }).then(function (val) {