diff --git a/lib/browser/bucket.js b/lib/browser/bucket.js
index 42045b571..9b8a557be 100644
--- a/lib/browser/bucket.js
+++ b/lib/browser/bucket.js
@@ -1,5 +1,6 @@
 
 const assert = require('assert');
+const _checkBucketName = require('../common/utils/checkBucketName');
 
 const proto = exports;
 
@@ -62,13 +63,13 @@ function toArray(obj) {
 // };
 
 proto.useBucket = function useBucket(name) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   this.options.bucket = name;
   return this;
 };
 
 proto.setBucket = function useBucket(name) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   this.options.bucket = name;
   return this;
 };
diff --git a/lib/bucket.js b/lib/bucket.js
index 2f6ebb9fe..b81d51b3d 100644
--- a/lib/bucket.js
+++ b/lib/bucket.js
@@ -2,6 +2,7 @@
 
 const assert = require('assert');
 const isArray = require('./common/utils/isArray');
+const _checkBucketName = require('../lib/common/utils/checkBucketName');
 
 const proto = exports;
 
@@ -58,12 +59,12 @@ proto.listBuckets = async function listBuckets(query, options) {
 };
 
 proto.useBucket = function useBucket(name) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   return this.setBucket(name);
 };
 
 proto.setBucket = function useBucket(name) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   this.options.bucket = name;
   return this;
 };
@@ -73,7 +74,7 @@ proto.getBucket = function getBucket() {
 };
 
 proto.getBucketLocation = async function getBucketLocation(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   name = name || this.getBucket();
   const params = this._bucketRequestParams('GET', name, 'location', options);
   params.successStatuses = [200];
@@ -86,7 +87,7 @@ proto.getBucketLocation = async function getBucketLocation(name, options) {
 };
 
 proto.getBucketInfo = async function getBucketInfo(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   name = name || this.getBucket();
   const params = this._bucketRequestParams('GET', name, 'bucketInfo', options);
   params.successStatuses = [200];
@@ -99,7 +100,7 @@ proto.getBucketInfo = async function getBucketInfo(name, options) {
 };
 
 proto.deleteBucket = async function deleteBucket(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('DELETE', name, '', options);
   const result = await this.request(params);
   if (result.status === 200 || result.status === 204) {
@@ -113,7 +114,7 @@ proto.deleteBucket = async function deleteBucket(name, options) {
 // acl
 
 proto.putBucketACL = async function putBucketACL(name, acl, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('PUT', name, 'acl', options);
   params.headers = {
     'x-oss-acl': acl
@@ -127,7 +128,7 @@ proto.putBucketACL = async function putBucketACL(name, acl, options) {
 };
 
 proto.getBucketACL = async function getBucketACL(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('GET', name, 'acl', options);
   params.successStatuses = [200];
   params.xmlResponse = true;
@@ -145,7 +146,7 @@ proto.getBucketACL = async function getBucketACL(name, options) {
 // logging
 
 proto.putBucketLogging = async function putBucketLogging(name, prefix, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('PUT', name, 'logging', options);
   let xml = `${'<?xml version="1.0" encoding="UTF-8"?>\n<BucketLoggingStatus>\n' +
     '<LoggingEnabled>\n<TargetBucket>'}${name}</TargetBucket>\n`;
@@ -163,7 +164,7 @@ proto.putBucketLogging = async function putBucketLogging(name, prefix, options)
 };
 
 proto.getBucketLogging = async function getBucketLogging(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('GET', name, 'logging', options);
   params.successStatuses = [200];
   params.xmlResponse = true;
@@ -177,7 +178,7 @@ proto.getBucketLogging = async function getBucketLogging(name, options) {
 };
 
 proto.deleteBucketLogging = async function deleteBucketLogging(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('DELETE', name, 'logging', options);
   params.successStatuses = [204, 200];
   const result = await this.request(params);
@@ -187,7 +188,7 @@ proto.deleteBucketLogging = async function deleteBucketLogging(name, options) {
 };
 
 proto.putBucketCORS = async function putBucketCORS(name, rules, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   rules = rules || [];
   assert(rules.length, 'rules is required');
   rules.forEach((rule) => {
@@ -233,7 +234,7 @@ proto.putBucketCORS = async function putBucketCORS(name, rules, options) {
 };
 
 proto.getBucketCORS = async function getBucketCORS(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('GET', name, 'cors', options);
   params.successStatuses = [200];
   params.xmlResponse = true;
@@ -257,7 +258,7 @@ proto.getBucketCORS = async function getBucketCORS(name, options) {
 };
 
 proto.deleteBucketCORS = async function deleteBucketCORS(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('DELETE', name, 'cors', options);
   params.successStatuses = [204];
   const result = await this.request(params);
@@ -269,7 +270,7 @@ proto.deleteBucketCORS = async function deleteBucketCORS(name, options) {
 // referer
 
 proto.putBucketReferer = async function putBucketReferer(name, allowEmpty, referers, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('PUT', name, 'referer', options);
   let xml = '<?xml version="1.0" encoding="UTF-8"?>\n<RefererConfiguration>\n';
   xml += `  <AllowEmptyReferer>${allowEmpty ? 'true' : 'false'}</AllowEmptyReferer>\n`;
@@ -293,7 +294,7 @@ proto.putBucketReferer = async function putBucketReferer(name, allowEmpty, refer
 };
 
 proto.getBucketReferer = async function getBucketReferer(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('GET', name, 'referer', options);
   params.successStatuses = [200];
   params.xmlResponse = true;
@@ -312,7 +313,7 @@ proto.getBucketReferer = async function getBucketReferer(name, options) {
 };
 
 proto.deleteBucketReferer = async function deleteBucketReferer(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   return await this.putBucketReferer(name, true, null, options);
 };
 
diff --git a/lib/common/bucket/_checkBucketName.js b/lib/common/bucket/_checkBucketName.js
deleted file mode 100644
index bddbbc622..000000000
--- a/lib/common/bucket/_checkBucketName.js
+++ /dev/null
@@ -1,9 +0,0 @@
-const checkBucketName = require('../utils/checkBucketName');
-
-const proto = exports;
-
-proto._checkBucketName = function (name, createBucket) {
-  if (!checkBucketName(name, createBucket)) {
-    throw new Error('The bucket must be conform to the specifications');
-  }
-};
diff --git a/lib/common/bucket/deleteBucketEncryption.js b/lib/common/bucket/deleteBucketEncryption.js
index 1b9b28efc..1df352906 100644
--- a/lib/common/bucket/deleteBucketEncryption.js
+++ b/lib/common/bucket/deleteBucketEncryption.js
@@ -1,3 +1,5 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 // const jstoxml = require('jstoxml');
 /**
@@ -6,7 +8,7 @@ const proto = exports;
  */
 
 proto.deleteBucketEncryption = async function deleteBucketEncryption(bucketName) {
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
   const params = this._bucketRequestParams('DELETE', bucketName, 'encryption');
   params.successStatuses = [204];
   params.xmlResponse = true;
diff --git a/lib/common/bucket/deleteBucketLifecycle.js b/lib/common/bucket/deleteBucketLifecycle.js
index f4c1d955a..9f49845e5 100644
--- a/lib/common/bucket/deleteBucketLifecycle.js
+++ b/lib/common/bucket/deleteBucketLifecycle.js
@@ -1,7 +1,9 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 
 proto.deleteBucketLifecycle = async function deleteBucketLifecycle(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('DELETE', name, 'lifecycle', options);
   params.successStatuses = [204];
   const result = await this.request(params);
diff --git a/lib/common/bucket/deleteBucketPolicy.js b/lib/common/bucket/deleteBucketPolicy.js
index 2e9f5e2d6..de2218430 100644
--- a/lib/common/bucket/deleteBucketPolicy.js
+++ b/lib/common/bucket/deleteBucketPolicy.js
@@ -1,3 +1,5 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 /**
  * deleteBucketPolicy
@@ -6,7 +8,7 @@ const proto = exports;
  */
 
 proto.deleteBucketPolicy = async function deleteBucketPolicy(bucketName, options = {}) {
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
 
   const params = this._bucketRequestParams('DELETE', bucketName, 'policy', options);
   params.successStatuses = [204];
diff --git a/lib/common/bucket/deleteBucketTags.js b/lib/common/bucket/deleteBucketTags.js
index 623d7768e..127c8a576 100644
--- a/lib/common/bucket/deleteBucketTags.js
+++ b/lib/common/bucket/deleteBucketTags.js
@@ -1,3 +1,5 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 /**
  * deleteBucketTags
@@ -6,7 +8,7 @@ const proto = exports;
  */
 
 proto.deleteBucketTags = async function deleteBucketTags(name, options = {}) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
 
   const params = this._bucketRequestParams('DELETE', name, 'tagging', options);
   params.successStatuses = [204];
diff --git a/lib/common/bucket/deleteBucketWebsite.js b/lib/common/bucket/deleteBucketWebsite.js
index 4defbc6fe..f607432a5 100644
--- a/lib/common/bucket/deleteBucketWebsite.js
+++ b/lib/common/bucket/deleteBucketWebsite.js
@@ -1,7 +1,9 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 
 proto.deleteBucketWebsite = async function deleteBucketWebsite(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('DELETE', name, 'website', options);
   params.successStatuses = [204];
   const result = await this.request(params);
diff --git a/lib/common/bucket/getBucketEncryption.js b/lib/common/bucket/getBucketEncryption.js
index 2f004cd2a..e689dd65f 100644
--- a/lib/common/bucket/getBucketEncryption.js
+++ b/lib/common/bucket/getBucketEncryption.js
@@ -1,3 +1,5 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 /**
  * getBucketEncryption
@@ -5,7 +7,7 @@ const proto = exports;
  */
 
 proto.getBucketEncryption = async function getBucketEncryption(bucketName) {
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
   const params = this._bucketRequestParams('GET', bucketName, 'encryption');
   params.successStatuses = [200];
   params.xmlResponse = true;
diff --git a/lib/common/bucket/getBucketLifecycle.js b/lib/common/bucket/getBucketLifecycle.js
index 72509a3e9..0d12ca133 100644
--- a/lib/common/bucket/getBucketLifecycle.js
+++ b/lib/common/bucket/getBucketLifecycle.js
@@ -1,10 +1,11 @@
+const _checkBucketName = require('../utils/checkBucketName');
 const isArray = require('../utils/isArray');
 const formatObjKey = require('../utils/formatObjKey');
 
 const proto = exports;
 
 proto.getBucketLifecycle = async function getBucketLifecycle(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('GET', name, 'lifecycle', options);
   params.successStatuses = [200];
   params.xmlResponse = true;
diff --git a/lib/common/bucket/getBucketPolicy.js b/lib/common/bucket/getBucketPolicy.js
index 0d46b5720..42c3b4e3d 100644
--- a/lib/common/bucket/getBucketPolicy.js
+++ b/lib/common/bucket/getBucketPolicy.js
@@ -1,3 +1,5 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 /**
  * getBucketPolicy
@@ -6,7 +8,7 @@ const proto = exports;
  */
 
 proto.getBucketPolicy = async function getBucketPolicy(bucketName, options = {}) {
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
 
   const params = this._bucketRequestParams('GET', bucketName, 'policy', options);
 
diff --git a/lib/common/bucket/getBucketRequestPayment.js b/lib/common/bucket/getBucketRequestPayment.js
index 4f62a3f84..6e070ab57 100644
--- a/lib/common/bucket/getBucketRequestPayment.js
+++ b/lib/common/bucket/getBucketRequestPayment.js
@@ -1,3 +1,5 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 /**
  * getBucketRequestPayment
@@ -8,7 +10,7 @@ const proto = exports;
 proto.getBucketRequestPayment = async function getBucketRequestPayment(bucketName, options) {
   options = options || {};
 
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
   const params = this._bucketRequestParams('GET', bucketName, 'requestPayment', options);
   params.successStatuses = [200];
   params.xmlResponse = true;
diff --git a/lib/common/bucket/getBucketTags.js b/lib/common/bucket/getBucketTags.js
index 017adb6a5..08e98371c 100644
--- a/lib/common/bucket/getBucketTags.js
+++ b/lib/common/bucket/getBucketTags.js
@@ -1,4 +1,5 @@
 const proto = exports;
+const _checkBucketName = require('../utils/checkBucketName');
 const isObject = require('../utils/isObject');
 /**
  * getBucketTags
@@ -8,7 +9,7 @@ const isObject = require('../utils/isObject');
  */
 
 proto.getBucketTags = async function getBucketTags(name, options = {}) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('GET', name, 'tagging', options);
   params.successStatuses = [200];
   const result = await this.request(params);
diff --git a/lib/common/bucket/getBucketWebsite.js b/lib/common/bucket/getBucketWebsite.js
index fe6be62f7..d18549a88 100644
--- a/lib/common/bucket/getBucketWebsite.js
+++ b/lib/common/bucket/getBucketWebsite.js
@@ -1,9 +1,10 @@
+const _checkBucketName = require('../utils/checkBucketName');
 const isObject = require('../utils/isObject');
 
 const proto = exports;
 
 proto.getBucketWebsite = async function getBucketWebsite(name, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('GET', name, 'website', options);
   params.successStatuses = [200];
   params.xmlResponse = true;
diff --git a/lib/common/bucket/index.js b/lib/common/bucket/index.js
index 29d7017b9..4f7622c8b 100644
--- a/lib/common/bucket/index.js
+++ b/lib/common/bucket/index.js
@@ -11,7 +11,6 @@ merge(proto, require('./getBucketTags'));
 merge(proto, require('./putBucketTags'));
 merge(proto, require('./deleteBucketTags'));
 merge(proto, require('./putBucket'));
-merge(proto, require('./_checkBucketName'));
 merge(proto, require('./getBucketWebsite'));
 merge(proto, require('./putBucketWebsite'));
 merge(proto, require('./deleteBucketWebsite'));
diff --git a/lib/common/bucket/putBucket.js b/lib/common/bucket/putBucket.js
index 86f54251d..4471dde3a 100644
--- a/lib/common/bucket/putBucket.js
+++ b/lib/common/bucket/putBucket.js
@@ -1,8 +1,9 @@
 const proto = exports;
+const _checkBucketName = require('../utils/checkBucketName');
 const obj2xml = require('../utils/obj2xml');
 
 proto.putBucket = async function putBucket(name, options) {
-  this._checkBucketName(name, true);
+  _checkBucketName(name, true);
   options = options || {};
   const params = this._bucketRequestParams('PUT', name, '', options);
 
diff --git a/lib/common/bucket/putBucketEncryption.js b/lib/common/bucket/putBucketEncryption.js
index 9f2859470..eb0e76211 100644
--- a/lib/common/bucket/putBucketEncryption.js
+++ b/lib/common/bucket/putBucketEncryption.js
@@ -1,5 +1,6 @@
 const proto = exports;
 // const jstoxml = require('jstoxml');
+const _checkBucketName = require('../utils/checkBucketName');
 const obj2xml = require('../utils/obj2xml');
 /**
  * putBucketEncryption
@@ -9,7 +10,7 @@ const obj2xml = require('../utils/obj2xml');
 
 proto.putBucketEncryption = async function putBucketEncryption(bucketName, options) {
   options = options || {};
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
   const params = this._bucketRequestParams('PUT', bucketName, 'encryption', options);
   params.successStatuses = [200];
   const paramXMLObj = {
diff --git a/lib/common/bucket/putBucketLifecycle.js b/lib/common/bucket/putBucketLifecycle.js
index 7f8bdf211..e9f4e47de 100644
--- a/lib/common/bucket/putBucketLifecycle.js
+++ b/lib/common/bucket/putBucketLifecycle.js
@@ -1,5 +1,5 @@
 /* eslint-disable no-use-before-define */
-
+const _checkBucketName = require('../utils/checkBucketName');
 const isArray = require('../utils/isArray');
 const deepCopy = require('../utils/deepCopy');
 const isObject = require('../utils/isObject');
@@ -11,7 +11,7 @@ const proto = exports;
 
 
 proto.putBucketLifecycle = async function putBucketLifecycle(name, rules, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
 
   if (!isArray(rules)) {
     throw new Error('rules must be Array');
diff --git a/lib/common/bucket/putBucketPolicy.js b/lib/common/bucket/putBucketPolicy.js
index 8c88d2ef1..d8d8c8b9a 100644
--- a/lib/common/bucket/putBucketPolicy.js
+++ b/lib/common/bucket/putBucketPolicy.js
@@ -1,4 +1,4 @@
-
+const _checkBucketName = require('../utils/checkBucketName');
 const policy2Str = require('../utils/policy2Str');
 const isObject = require('../utils/isObject');
 
@@ -11,7 +11,7 @@ const proto = exports;
  */
 
 proto.putBucketPolicy = async function putBucketPolicy(bucketName, policy, options = {}) {
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
 
   if (!isObject(policy)) {
     throw new Error('policy is not Object');
diff --git a/lib/common/bucket/putBucketRequestPayment.js b/lib/common/bucket/putBucketRequestPayment.js
index 743546001..59416e6e0 100644
--- a/lib/common/bucket/putBucketRequestPayment.js
+++ b/lib/common/bucket/putBucketRequestPayment.js
@@ -1,3 +1,4 @@
+const _checkBucketName = require('../utils/checkBucketName');
 const obj2xml = require('../utils/obj2xml');
 
 const proto = exports;
@@ -19,7 +20,7 @@ proto.putBucketRequestPayment = async function putBucketRequestPayment(
     throw new Error('payer must be BucketOwner or Requester');
   }
 
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
   const params = this._bucketRequestParams(
     'PUT',
     bucketName,
diff --git a/lib/common/bucket/putBucketTags.js b/lib/common/bucket/putBucketTags.js
index ff3b18313..16b02eeb7 100644
--- a/lib/common/bucket/putBucketTags.js
+++ b/lib/common/bucket/putBucketTags.js
@@ -1,3 +1,4 @@
+const _checkBucketName = require('../utils/checkBucketName');
 const obj2xml = require('../utils/obj2xml');
 const checkTag = require('../utils/checkBucketTag');
 
@@ -10,7 +11,7 @@ const proto = exports;
  */
 
 proto.putBucketTags = async function putBucketTags(name, tag, options = {}) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   checkTag(tag);
   const params = this._bucketRequestParams('PUT', name, 'tagging', options);
   params.successStatuses = [200];
diff --git a/lib/common/bucket/putBucketWebsite.js b/lib/common/bucket/putBucketWebsite.js
index 87b5e2293..a52e3b594 100644
--- a/lib/common/bucket/putBucketWebsite.js
+++ b/lib/common/bucket/putBucketWebsite.js
@@ -1,9 +1,10 @@
+const _checkBucketName = require('../utils/checkBucketName');
 const obj2xml = require('../utils/obj2xml');
 const isArray = require('../utils/isArray');
 
 const proto = exports;
 proto.putBucketWebsite = async function putBucketWebsite(name, config = {}, options) {
-  this._checkBucketName(name);
+  _checkBucketName(name);
   const params = this._bucketRequestParams('PUT', name, 'website', options);
   const IndexDocument = {
     Suffix: config.index || 'index.html'
diff --git a/lib/common/client/initOptions.js b/lib/common/client/initOptions.js
index b7a665d62..e1290c3cb 100644
--- a/lib/common/client/initOptions.js
+++ b/lib/common/client/initOptions.js
@@ -35,8 +35,8 @@ module.exports = function (options) {
     || !options.accessKeySecret) {
     throw new Error('require accessKeyId, accessKeySecret');
   }
-  if (options.bucket && !_checkBucketName(options.bucket)) {
-    throw new Error('The bucket must be conform to the specifications');
+  if (options.bucket) {
+    _checkBucketName(options.bucket);
   }
   const opts = Object.assign({
     region: 'oss-cn-hangzhou',
diff --git a/lib/common/image/processObjectSave.js b/lib/common/image/processObjectSave.js
index 320864f2d..3f4a26d26 100644
--- a/lib/common/image/processObjectSave.js
+++ b/lib/common/image/processObjectSave.js
@@ -1,4 +1,5 @@
 /* eslint-disable no-use-before-define */
+const _checkBucketName = require('../utils/checkBucketName');
 const querystring = require('querystring');
 const { Base64: { encode: str2Base64 } } = require('js-base64');
 
@@ -10,7 +11,7 @@ proto.processObjectSave = async function processObjectSave(sourceObject, targetO
   checkArgs(process, 'process');
   targetObject = this._objectName(targetObject);
   if (targetBucket) {
-    this._checkBucketName(targetBucket);
+    _checkBucketName(targetBucket);
   }
 
   const params = this._objectRequestParams('POST', sourceObject, {
diff --git a/lib/common/object/copyObject.js b/lib/common/object/copyObject.js
index 400790ebf..553a2a925 100644
--- a/lib/common/object/copyObject.js
+++ b/lib/common/object/copyObject.js
@@ -1,3 +1,5 @@
+const _checkBucketName = require('../utils/checkBucketName');
+
 const proto = exports;
 
 proto.copy = async function copy(name, sourceName, bucketName, options) {
@@ -50,7 +52,7 @@ proto._getSourceName = function _getSourceName(sourceName, bucketName) {
     sourceName = sourceName.replace(/(\/.+?\/)(.*)/, '$2');
   }
 
-  this._checkBucketName(bucketName);
+  _checkBucketName(bucketName);
 
   sourceName = `/${bucketName}/${encodeURIComponent(sourceName)}`;
   return sourceName;
diff --git a/lib/common/utils/checkBucketName.js b/lib/common/utils/checkBucketName.js
index 531ff21fc..b1d736afc 100644
--- a/lib/common/utils/checkBucketName.js
+++ b/lib/common/utils/checkBucketName.js
@@ -4,6 +4,7 @@
 
 module.exports = function (name, createBucket) {
   const bucketRegex = createBucket ? /^[a-z0-9][a-z0-9-]{1,61}[a-z0-9]$/ : /^[a-z0-9_][a-z0-9-_]{1,61}[a-z0-9_]$/;
-  const checkBucket = bucketRegex.test(name);
-  return checkBucket;
+  if (!bucketRegex.test(name)) {
+    throw new Error('The bucket must be conform to the specifications');
+  }
 };