diff --git a/.ruby-version b/.ruby-version
index 73462a5..b0f2dcb 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.5.1
+3.0.4
diff --git a/fog-aliyun.gemspec b/fog-aliyun.gemspec
index 67f43dd..0f54c24 100644
--- a/fog-aliyun.gemspec
+++ b/fog-aliyun.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ['lib']
 
   spec.add_development_dependency 'bundler'
-  spec.add_development_dependency 'mime-types', '~> 2.6', '>= 2.6.2'
+  spec.add_development_dependency 'mime-types', '~> 3.4'
   spec.add_development_dependency 'pry-nav'
   spec.add_development_dependency 'rake'
   spec.add_development_dependency 'rspec'
diff --git a/lib/fog/aliyun/compute.rb b/lib/fog/aliyun/compute.rb
index b525b55..22d1374 100644
--- a/lib/fog/aliyun/compute.rb
+++ b/lib/fog/aliyun/compute.rb
@@ -350,7 +350,7 @@ def VPCrequest(params)
         # operation compute-- default URL
         def defaultAliyunUri(action, sigNonce, time)
           parTimeFormat = time.strftime('%Y-%m-%dT%H:%M:%SZ')
-          urlTimeFormat = URI.encode(parTimeFormat, ':')
+          urlTimeFormat = URI.encode_www_form_component(parTimeFormat)
           '?Format=JSON&AccessKeyId=' + @aliyun_accesskey_id + '&Action=' + action + '&SignatureMethod=HMAC-SHA1&RegionId=' + @aliyun_region_id + '&SignatureNonce=' + sigNonce + '&SignatureVersion=1.0&Version=2014-05-26&Timestamp=' + urlTimeFormat
         end
 
@@ -370,7 +370,7 @@ def defaultAliyunQueryParameters(action, sigNonce, time)
 
         def defaultAliyunVPCUri(action, sigNonce, time)
           parTimeFormat = time.strftime('%Y-%m-%dT%H:%M:%SZ')
-          urlTimeFormat = URI.encode(parTimeFormat, ':')
+          urlTimeFormat = URI.encode_www_form_component(parTimeFormat)
           '?Format=JSON&AccessKeyId=' + @aliyun_accesskey_id + '&Action=' + action + '&SignatureMethod=HMAC-SHA1&RegionId=' + @aliyun_region_id + '&SignatureNonce=' + sigNonce + '&SignatureVersion=1.0&Version=2016-04-28&Timestamp=' + urlTimeFormat
         end
 
@@ -420,18 +420,18 @@ def defalutVPCParameters(action, sigNonce, time)
         # building querystrings with string concatination.
         def sign(accessKeySecret, parameters)
           signature = sign_without_encoding(accessKeySecret, parameters)
-          URI.encode(signature, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          URI.encode_www_form_component(signature)
         end
 
         def sign_without_encoding(accessKeySecret, parameters)
           sortedParameters = parameters.sort
           canonicalizedQueryString = ''
           sortedParameters.each do |k, v|
-            canonicalizedQueryString += '&' + URI.encode(k, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ') + '=' + URI.encode(v, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+            canonicalizedQueryString += '&' + URI.encode_www_form_component(k) + '=' + URI.encode_www_form_component(v)
           end
 
           canonicalizedQueryString[0] = ''
-          stringToSign = 'GET&%2F&' + URI.encode(canonicalizedQueryString, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          stringToSign = 'GET&%2F&' + URI.encode_www_form_component(canonicalizedQueryString)
           key = accessKeySecret + '&'
 
           digVer = OpenSSL::Digest.new('sha1')
diff --git a/lib/fog/aliyun/requests/compute/attach_disk.rb b/lib/fog/aliyun/requests/compute/attach_disk.rb
index 6ca38e3..837ec03 100644
--- a/lib/fog/aliyun/requests/compute/attach_disk.rb
+++ b/lib/fog/aliyun/requests/compute/attach_disk.rb
@@ -46,7 +46,7 @@ def attach_disk(instanceId, diskId, options = {})
           if device
             parameters['Device'] = device
             pathUrl += '&Device='
-            pathUrl += URI.encode(device, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+            pathUrl += URI.encode_www_form_component(device)
           end
 
           signature = sign(@aliyun_accesskey_secret, parameters)
diff --git a/lib/fog/aliyun/requests/compute/create_security_group_egress_ip_rule.rb b/lib/fog/aliyun/requests/compute/create_security_group_egress_ip_rule.rb
index 84ed1eb..f86f20a 100644
--- a/lib/fog/aliyun/requests/compute/create_security_group_egress_ip_rule.rb
+++ b/lib/fog/aliyun/requests/compute/create_security_group_egress_ip_rule.rb
@@ -19,7 +19,7 @@ def create_security_group_egress_ip_rule(securitygroup_id, destCidrIp, nicType,
 
           parameters['DestCidrIp'] = destCidrIp
           pathUrl += '&DestCidrIp='
-          pathUrl += URI.encode(destCidrIp, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(destCidrIp)
           nicType ||= 'intranet'
           parameters['NicType'] = nicType
           pathUrl += '&NicType='
@@ -29,7 +29,7 @@ def create_security_group_egress_ip_rule(securitygroup_id, destCidrIp, nicType,
           portRange ||= '-1/-1'
           parameters['PortRange'] = portRange
           pathUrl += '&PortRange='
-          pathUrl += URI.encode(portRange, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(portRange)
 
           protocol = option[:protocol]
           protocol ||= 'all'
diff --git a/lib/fog/aliyun/requests/compute/create_security_group_egress_sg_rule.rb b/lib/fog/aliyun/requests/compute/create_security_group_egress_sg_rule.rb
index ac503e9..3ae44b3 100644
--- a/lib/fog/aliyun/requests/compute/create_security_group_egress_sg_rule.rb
+++ b/lib/fog/aliyun/requests/compute/create_security_group_egress_sg_rule.rb
@@ -30,7 +30,7 @@ def create_security_group_egress_sg_rule(securitygroup_id, dest_group_id, option
           portRange ||= '-1/-1'
           parameters['PortRange'] = portRange
           pathUrl += '&PortRange='
-          pathUrl += URI.encode(portRange, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(portRange)
 
           protocol = option[:protocol]
           protocol ||= 'all'
diff --git a/lib/fog/aliyun/requests/compute/create_security_group_ip_rule.rb b/lib/fog/aliyun/requests/compute/create_security_group_ip_rule.rb
index 9fa5f55..5da0383 100644
--- a/lib/fog/aliyun/requests/compute/create_security_group_ip_rule.rb
+++ b/lib/fog/aliyun/requests/compute/create_security_group_ip_rule.rb
@@ -19,7 +19,7 @@ def create_security_group_ip_rule(securitygroup_id, sourceCidrIp, nicType, optio
 
           parameters['SourceCidrIp'] = sourceCidrIp
           pathUrl += '&SourceCidrIp='
-          pathUrl += URI.encode(sourceCidrIp, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(sourceCidrIp)
           nicType ||= 'intranet'
           parameters['NicType'] = nicType
           pathUrl += '&NicType='
@@ -29,7 +29,7 @@ def create_security_group_ip_rule(securitygroup_id, sourceCidrIp, nicType, optio
           portRange ||= '-1/-1'
           parameters['PortRange'] = portRange
           pathUrl += '&PortRange='
-          pathUrl += URI.encode(portRange, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(portRange)
 
           protocol = option[:protocol]
           protocol ||= 'all'
diff --git a/lib/fog/aliyun/requests/compute/create_security_group_sg_rule.rb b/lib/fog/aliyun/requests/compute/create_security_group_sg_rule.rb
index 3a8b6e4..273b27d 100644
--- a/lib/fog/aliyun/requests/compute/create_security_group_sg_rule.rb
+++ b/lib/fog/aliyun/requests/compute/create_security_group_sg_rule.rb
@@ -30,7 +30,7 @@ def create_security_group_sg_rule(securitygroup_id, source_securitygroup_id, opt
           portRange ||= '-1/-1'
           parameters['PortRange'] = portRange
           pathUrl += '&PortRange='
-          pathUrl += URI.encode(portRange, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(portRange)
 
           protocol = option[:protocol]
           protocol ||= 'all'
diff --git a/lib/fog/aliyun/requests/compute/create_vpc.rb b/lib/fog/aliyun/requests/compute/create_vpc.rb
index 6020b0e..5a8d18f 100644
--- a/lib/fog/aliyun/requests/compute/create_vpc.rb
+++ b/lib/fog/aliyun/requests/compute/create_vpc.rb
@@ -15,7 +15,7 @@ def create_vpc(cidrBlock, options = {})
 
           parameters['CidrBlock'] = cidrBlock
           pathUrl += '&CidrBlock='
-          pathUrl += URI.encode(cidrBlock, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(cidrBlock)
 
           name = options[:name]
           desc = options[:description]
diff --git a/lib/fog/aliyun/requests/compute/create_vswitch.rb b/lib/fog/aliyun/requests/compute/create_vswitch.rb
index 2cc5e5d..4536bd1 100644
--- a/lib/fog/aliyun/requests/compute/create_vswitch.rb
+++ b/lib/fog/aliyun/requests/compute/create_vswitch.rb
@@ -19,7 +19,7 @@ def create_vswitch(vpcId, cidrBlock, options = {})
 
           parameters['CidrBlock'] = cidrBlock
           pathUrl += '&CidrBlock='
-          pathUrl += URI.encode(cidrBlock, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(cidrBlock)
 
           parameters['ZoneId'] = @aliyun_zone_id
           pathUrl += '&ZoneId='
diff --git a/lib/fog/aliyun/requests/compute/delete_security_group_egress_ip_rule.rb b/lib/fog/aliyun/requests/compute/delete_security_group_egress_ip_rule.rb
index 7ba34dd..7de2b49 100644
--- a/lib/fog/aliyun/requests/compute/delete_security_group_egress_ip_rule.rb
+++ b/lib/fog/aliyun/requests/compute/delete_security_group_egress_ip_rule.rb
@@ -19,7 +19,7 @@ def delete_security_group_egress_ip_rule(securitygroup_id, destCidrIp, nicType,
 
           parameters['DestCidrIp'] = destCidrIp
           pathUrl += '&DestCidrIp='
-          pathUrl += URI.encode(destCidrIp, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(destCidrIp)
           nicType ||= 'intranet'
           parameters['NicType'] = nicType
           pathUrl += '&NicType='
@@ -29,7 +29,7 @@ def delete_security_group_egress_ip_rule(securitygroup_id, destCidrIp, nicType,
           portRange ||= '-1/-1'
           parameters['PortRange'] = portRange
           pathUrl += '&PortRange='
-          pathUrl += URI.encode(portRange, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(portRange)
 
           protocol = option[:protocol]
           protocol ||= 'all'
diff --git a/lib/fog/aliyun/requests/compute/delete_security_group_egress_sg_rule.rb b/lib/fog/aliyun/requests/compute/delete_security_group_egress_sg_rule.rb
index 797e240..8cd4c12 100644
--- a/lib/fog/aliyun/requests/compute/delete_security_group_egress_sg_rule.rb
+++ b/lib/fog/aliyun/requests/compute/delete_security_group_egress_sg_rule.rb
@@ -30,7 +30,7 @@ def delete_security_group_egress_sg_rule(securitygroup_id, dest_group_id, option
           portRange ||= '-1/-1'
           parameters['PortRange'] = portRange
           pathUrl += '&PortRange='
-          pathUrl += URI.encode(portRange, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(portRange)
 
           protocol = option[:protocol]
           protocol ||= 'all'
diff --git a/lib/fog/aliyun/requests/compute/delete_security_group_ip_rule.rb b/lib/fog/aliyun/requests/compute/delete_security_group_ip_rule.rb
index cd905e7..e1fc7e3 100644
--- a/lib/fog/aliyun/requests/compute/delete_security_group_ip_rule.rb
+++ b/lib/fog/aliyun/requests/compute/delete_security_group_ip_rule.rb
@@ -19,7 +19,7 @@ def delete_security_group_ip_rule(securitygroup_id, sourceCidrIp, nicType, optio
 
           parameters['SourceCidrIp'] = sourceCidrIp
           pathUrl += '&SourceCidrIp='
-          pathUrl += URI.encode(sourceCidrIp, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(sourceCidrIp)
           nicType ||= 'intranet'
           parameters['NicType'] = nicType
           pathUrl += '&NicType='
@@ -29,7 +29,7 @@ def delete_security_group_ip_rule(securitygroup_id, sourceCidrIp, nicType, optio
           portRange ||= '-1/-1'
           parameters['PortRange'] = portRange
           pathUrl += '&PortRange='
-          pathUrl += URI.encode(portRange, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(portRange)
 
           protocol = option[:protocol]
           protocol ||= 'all'
diff --git a/lib/fog/aliyun/requests/compute/delete_security_group_sg_rule.rb b/lib/fog/aliyun/requests/compute/delete_security_group_sg_rule.rb
index b7d0a7f..8b447f8 100644
--- a/lib/fog/aliyun/requests/compute/delete_security_group_sg_rule.rb
+++ b/lib/fog/aliyun/requests/compute/delete_security_group_sg_rule.rb
@@ -30,7 +30,7 @@ def delete_security_group_sg_rule(securitygroup_id, source_securitygroup_id, opt
           portRange ||= '-1/-1'
           parameters['PortRange'] = portRange
           pathUrl += '&PortRange='
-          pathUrl += URI.encode(portRange, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(portRange)
 
           protocol = option[:protocol]
           protocol ||= 'all'
diff --git a/lib/fog/aliyun/requests/compute/detach_disk.rb b/lib/fog/aliyun/requests/compute/detach_disk.rb
index 109a02c..81a5621 100644
--- a/lib/fog/aliyun/requests/compute/detach_disk.rb
+++ b/lib/fog/aliyun/requests/compute/detach_disk.rb
@@ -25,7 +25,7 @@ def detach_disk(instanceId, diskId, _options = {})
           if device
             parameters['Device'] = device
             pathUrl += '&Device='
-            pathUrl += URI.encode(device, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+            pathUrl += URI.encode_www_form_component(device)
           end
           signature = sign(@aliyun_accesskey_secret, parameters)
           pathUrl += '&Signature='
diff --git a/lib/fog/aliyun/requests/compute/modify_vpc.rb b/lib/fog/aliyun/requests/compute/modify_vpc.rb
index 0ed14bc..3405c45 100644
--- a/lib/fog/aliyun/requests/compute/modify_vpc.rb
+++ b/lib/fog/aliyun/requests/compute/modify_vpc.rb
@@ -15,7 +15,7 @@ def modify_vpc(vpcId, options = {})
 
           parameters['VpcId'] = vpcId
           pathUrl += '&VpcId='
-          pathUrl += URI.encode(vpcId, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(vpcId)
           name = options[:name]
           desc = options[:description]
 
diff --git a/lib/fog/aliyun/requests/compute/modify_vswitch.rb b/lib/fog/aliyun/requests/compute/modify_vswitch.rb
index f261f12..cc19bd7 100644
--- a/lib/fog/aliyun/requests/compute/modify_vswitch.rb
+++ b/lib/fog/aliyun/requests/compute/modify_vswitch.rb
@@ -15,7 +15,7 @@ def modify_switch(vSwitchId, options = {})
 
           parameters['VSwitchId'] = vSwitchId
           pathUrl += '&VSwitchId='
-          pathUrl += URI.encode(vpcId, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+          pathUrl += URI.encode_www_form_component(vpcId)
           name = options[:name]
           desc = options[:description]
 
diff --git a/lib/fog/aliyun/requests/storage/get_object_http_url.rb b/lib/fog/aliyun/requests/storage/get_object_http_url.rb
index 3d64e97..ea24ca6 100644
--- a/lib/fog/aliyun/requests/storage/get_object_http_url.rb
+++ b/lib/fog/aliyun/requests/storage/get_object_http_url.rb
@@ -24,7 +24,7 @@ def get_object_http_url_public(bucket_name, object_name, expires)
             signature = sign('GET', expires_time, nil, resource)
             'http://' + bucket_name + '.' + @host + '/' + object_name +
               '?OSSAccessKeyId=' + @aliyun_accesskey_id + '&Expires=' + expires_time +
-              '&Signature=' + URI.encode(signature, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+              '&Signature=' + URI.encode_www_form_component(signature)
           elsif acl == 'public-read' || acl == 'public-read-write'
             'http://' + bucket_name + '.' + @host + '/' + object_name
           else
diff --git a/lib/fog/aliyun/requests/storage/get_object_https_url.rb b/lib/fog/aliyun/requests/storage/get_object_https_url.rb
index 3d9f8c8..74bfbc1 100644
--- a/lib/fog/aliyun/requests/storage/get_object_https_url.rb
+++ b/lib/fog/aliyun/requests/storage/get_object_https_url.rb
@@ -24,7 +24,7 @@ def get_object_https_url_public(bucket_name, object_name, expires)
             signature = sign('GET', expires_time, nil, resource)
             'https://' + bucket_name + '.' + @host + '/' + object_name +
               '?OSSAccessKeyId=' + @aliyun_accesskey_id + '&Expires=' + expires_time +
-              '&Signature=' + URI.encode(signature, '/[^!*\'()\;?:@#&%=+$,{}[]<>`" ')
+              '&Signature=' + URI.encode_www_form_component(signature)
           elsif acl == 'public-read' || acl == 'public-read-write'
             'https://' + bucket_name + '.' + @host + '/' + object_name
           else