diff --git a/ChangeLog-Go.txt b/ChangeLog-Go.txt
index e517151e68..d7837887be 100644
--- a/ChangeLog-Go.txt
+++ b/ChangeLog-Go.txt
@@ -1,3 +1,6 @@
+2020-02-25 Version: v0.1.2
+- Update Ocr.
+
 2020-02-19 Version: v0.1.1
 - Update go.mod.
 
diff --git a/ocr-20191230/Teafile b/ocr-20191230/Teafile
index e019b3ad39..9d27cd180f 100644
--- a/ocr-20191230/Teafile
+++ b/ocr-20191230/Teafile
@@ -5,7 +5,7 @@
 	"main": "./main.tea",
 	"releases": {
 		"java": "com.aliyun:ocr:0.0.5",
-		"go": "github.com/aliyun/alibabacloud-sdk/ocr-20191230/golang/client:v0.1.0",
+		"go": "github.com/aliyun/alibabacloud-sdk/ocr-20191230/golang/client:v0.1.2",
 		"csharp":"AlibabaCloud.SDK.Ocr:0.0.4"
 	},
 	"libraries": {
diff --git a/ocr-20191230/golang/client/client.go b/ocr-20191230/golang/client/client.go
index 1f12146606..ad4c199650 100644
--- a/ocr-20191230/golang/client/client.go
+++ b/ocr-20191230/golang/client/client.go
@@ -15,23 +15,23 @@ import (
 type Config struct {
 	AccessKeyId          *string `json:"accessKeyId" xml:"accessKeyId"`
 	AccessKeySecret      *string `json:"accessKeySecret" xml:"accessKeySecret"`
-	Type                 *string `json:"type" xml:"type" require:"true"`
-	SecurityToken        *string `json:"securityToken" xml:"securityToken" require:"true"`
+	Type                 *string `json:"type" xml:"type"`
+	SecurityToken        *string `json:"securityToken" xml:"securityToken"`
 	Endpoint             *string `json:"endpoint" xml:"endpoint" require:"true"`
-	Protocol             *string `json:"protocol" xml:"protocol" require:"true"`
+	Protocol             *string `json:"protocol" xml:"protocol"`
 	RegionId             *string `json:"regionId" xml:"regionId" require:"true"`
-	UserAgent            *string `json:"userAgent" xml:"userAgent" require:"true"`
-	ReadTimeout          *int    `json:"readTimeout" xml:"readTimeout" require:"true"`
-	ConnectTimeout       *int    `json:"connectTimeout" xml:"connectTimeout" require:"true"`
-	LocalAddr            *string `json:"localAddr" xml:"localAddr" require:"true"`
-	HttpProxy            *string `json:"httpProxy" xml:"httpProxy" require:"true"`
-	HttpsProxy           *string `json:"httpsProxy" xml:"httpsProxy" require:"true"`
-	NoProxy              *string `json:"noProxy" xml:"noProxy" require:"true"`
-	Socks5Proxy          *string `json:"socks5Proxy" xml:"socks5Proxy" require:"true"`
-	Socks5NetWork        *string `json:"socks5NetWork" xml:"socks5NetWork" require:"true"`
-	MaxIdleConns         *int    `json:"maxIdleConns" xml:"maxIdleConns" require:"true"`
-	EndpointType         *string `json:"endpointType" xml:"endpointType" require:"true"`
-	OpenPlatformEndpoint *string `json:"openPlatformEndpoint" xml:"openPlatformEndpoint" require:"true"`
+	UserAgent            *string `json:"userAgent" xml:"userAgent"`
+	ReadTimeout          *int    `json:"readTimeout" xml:"readTimeout"`
+	ConnectTimeout       *int    `json:"connectTimeout" xml:"connectTimeout"`
+	LocalAddr            *string `json:"localAddr" xml:"localAddr"`
+	HttpProxy            *string `json:"httpProxy" xml:"httpProxy"`
+	HttpsProxy           *string `json:"httpsProxy" xml:"httpsProxy"`
+	NoProxy              *string `json:"noProxy" xml:"noProxy"`
+	Socks5Proxy          *string `json:"socks5Proxy" xml:"socks5Proxy"`
+	Socks5NetWork        *string `json:"socks5NetWork" xml:"socks5NetWork"`
+	MaxIdleConns         *int    `json:"maxIdleConns" xml:"maxIdleConns"`
+	EndpointType         *string `json:"endpointType" xml:"endpointType"`
+	OpenPlatformEndpoint *string `json:"openPlatformEndpoint" xml:"openPlatformEndpoint"`
 }
 
 func (s Config) String() string {
@@ -138,7 +138,6 @@ func (s *Config) SetOpenPlatformEndpoint(v string) *Config {
 }
 
 type RecognizeCharacterRequest struct {
-	ImageType         *int    `json:"ImageType" xml:"ImageType"`
 	ImageURL          *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 	MinHeight         *int    `json:"MinHeight" xml:"MinHeight" require:"true"`
 	OutputProbability *bool   `json:"OutputProbability" xml:"OutputProbability" require:"true"`
@@ -152,11 +151,6 @@ func (s RecognizeCharacterRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeCharacterRequest) SetImageType(v int) *RecognizeCharacterRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeCharacterRequest) SetImageURL(v string) *RecognizeCharacterRequest {
 	s.ImageURL = &v
 	return s
@@ -213,9 +207,9 @@ func (s *RecognizeCharacterResponseData) SetResults(v []*RecognizeCharacterRespo
 }
 
 type RecognizeCharacterResponseDataResults struct {
-	Probability    *float32                                               `json:"Probability" xml:"Probability" require:"true"`
-	Text           *string                                                `json:"Text" xml:"Text" require:"true"`
-	TextRectangles []*RecognizeCharacterResponseDataResultsTextRectangles `json:"TextRectangles" xml:"TextRectangles" require:"true" type:"Repeated"`
+	Probability    *float32                                             `json:"Probability" xml:"Probability" require:"true"`
+	Text           *string                                              `json:"Text" xml:"Text" require:"true"`
+	TextRectangles *RecognizeCharacterResponseDataResultsTextRectangles `json:"TextRectangles" xml:"TextRectangles" require:"true" type:"Struct"`
 }
 
 func (s RecognizeCharacterResponseDataResults) String() string {
@@ -236,7 +230,7 @@ func (s *RecognizeCharacterResponseDataResults) SetText(v string) *RecognizeChar
 	return s
 }
 
-func (s *RecognizeCharacterResponseDataResults) SetTextRectangles(v []*RecognizeCharacterResponseDataResultsTextRectangles) *RecognizeCharacterResponseDataResults {
+func (s *RecognizeCharacterResponseDataResults) SetTextRectangles(v *RecognizeCharacterResponseDataResultsTextRectangles) *RecognizeCharacterResponseDataResults {
 	s.TextRectangles = v
 	return s
 }
@@ -284,7 +278,6 @@ func (s *RecognizeCharacterResponseDataResultsTextRectangles) SetHeight(v int) *
 
 type RecognizeCharacterAdvanceRequest struct {
 	ImageURLObject    io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType         *int      `json:"ImageType" xml:"ImageType"`
 	MinHeight         *int      `json:"MinHeight" xml:"MinHeight" require:"true"`
 	OutputProbability *bool     `json:"OutputProbability" xml:"OutputProbability" require:"true"`
 }
@@ -302,11 +295,6 @@ func (s *RecognizeCharacterAdvanceRequest) SetImageURLObject(v io.Reader) *Recog
 	return s
 }
 
-func (s *RecognizeCharacterAdvanceRequest) SetImageType(v int) *RecognizeCharacterAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeCharacterAdvanceRequest) SetMinHeight(v int) *RecognizeCharacterAdvanceRequest {
 	s.MinHeight = &v
 	return s
@@ -318,8 +306,7 @@ func (s *RecognizeCharacterAdvanceRequest) SetOutputProbability(v bool) *Recogni
 }
 
 type RecognizeTaxiInvoiceRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeTaxiInvoiceRequest) String() string {
@@ -330,11 +317,6 @@ func (s RecognizeTaxiInvoiceRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeTaxiInvoiceRequest) SetImageType(v int) *RecognizeTaxiInvoiceRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeTaxiInvoiceRequest) SetImageURL(v string) *RecognizeTaxiInvoiceRequest {
 	s.ImageURL = &v
 	return s
@@ -544,7 +526,6 @@ func (s *RecognizeTaxiInvoiceResponseDataInvoicesInvoiceRoi) SetY(v float32) *Re
 
 type RecognizeTaxiInvoiceAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeTaxiInvoiceAdvanceRequest) String() string {
@@ -560,15 +541,9 @@ func (s *RecognizeTaxiInvoiceAdvanceRequest) SetImageURLObject(v io.Reader) *Rec
 	return s
 }
 
-func (s *RecognizeTaxiInvoiceAdvanceRequest) SetImageType(v int) *RecognizeTaxiInvoiceAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type RecognizeIdentityCardRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
-	Side      *string `json:"Side" xml:"Side" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	Side     *string `json:"Side" xml:"Side" require:"true"`
 }
 
 func (s RecognizeIdentityCardRequest) String() string {
@@ -579,11 +554,6 @@ func (s RecognizeIdentityCardRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeIdentityCardRequest) SetImageType(v int) *RecognizeIdentityCardRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeIdentityCardRequest) SetImageURL(v string) *RecognizeIdentityCardRequest {
 	s.ImageURL = &v
 	return s
@@ -857,7 +827,6 @@ func (s *RecognizeIdentityCardResponseDataBackResult) SetIssue(v string) *Recogn
 
 type RecognizeIdentityCardAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 	Side           *string   `json:"Side" xml:"Side" require:"true"`
 }
 
@@ -874,19 +843,13 @@ func (s *RecognizeIdentityCardAdvanceRequest) SetImageURLObject(v io.Reader) *Re
 	return s
 }
 
-func (s *RecognizeIdentityCardAdvanceRequest) SetImageType(v int) *RecognizeIdentityCardAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeIdentityCardAdvanceRequest) SetSide(v string) *RecognizeIdentityCardAdvanceRequest {
 	s.Side = &v
 	return s
 }
 
 type RecognizeLicensePlateRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeLicensePlateRequest) String() string {
@@ -897,11 +860,6 @@ func (s RecognizeLicensePlateRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeLicensePlateRequest) SetImageType(v int) *RecognizeLicensePlateRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeLicensePlateRequest) SetImageURL(v string) *RecognizeLicensePlateRequest {
 	s.ImageURL = &v
 	return s
@@ -1025,7 +983,6 @@ func (s *RecognizeLicensePlateResponseDataPlatesRoi) SetY(v int) *RecognizeLicen
 
 type RecognizeLicensePlateAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeLicensePlateAdvanceRequest) String() string {
@@ -1041,13 +998,7 @@ func (s *RecognizeLicensePlateAdvanceRequest) SetImageURLObject(v io.Reader) *Re
 	return s
 }
 
-func (s *RecognizeLicensePlateAdvanceRequest) SetImageType(v int) *RecognizeLicensePlateAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type RecognizeTableRequest struct {
-	ImageType       *int    `json:"ImageType" xml:"ImageType"`
 	ImageURL        *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 	OutputFormat    *string `json:"OutputFormat" xml:"OutputFormat" require:"true"`
 	UseFinanceModel *bool   `json:"UseFinanceModel" xml:"UseFinanceModel" require:"true"`
@@ -1064,11 +1015,6 @@ func (s RecognizeTableRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeTableRequest) SetImageType(v int) *RecognizeTableRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeTableRequest) SetImageURL(v string) *RecognizeTableRequest {
 	s.ImageURL = &v
 	return s
@@ -1240,7 +1186,6 @@ func (s *RecognizeTableResponseDataTablesTableRowsTableColumns) SetWidth(v int)
 
 type RecognizeTableAdvanceRequest struct {
 	ImageURLObject  io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType       *int      `json:"ImageType" xml:"ImageType"`
 	OutputFormat    *string   `json:"OutputFormat" xml:"OutputFormat" require:"true"`
 	UseFinanceModel *bool     `json:"UseFinanceModel" xml:"UseFinanceModel" require:"true"`
 	AssureDirection *bool     `json:"AssureDirection" xml:"AssureDirection" require:"true"`
@@ -1261,11 +1206,6 @@ func (s *RecognizeTableAdvanceRequest) SetImageURLObject(v io.Reader) *Recognize
 	return s
 }
 
-func (s *RecognizeTableAdvanceRequest) SetImageType(v int) *RecognizeTableAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeTableAdvanceRequest) SetOutputFormat(v string) *RecognizeTableAdvanceRequest {
 	s.OutputFormat = &v
 	return s
@@ -1292,9 +1232,8 @@ func (s *RecognizeTableAdvanceRequest) SetSkipDetection(v bool) *RecognizeTableA
 }
 
 type RecognizeDrivingLicenseRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
-	Side      *string `json:"Side" xml:"Side" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	Side     *string `json:"Side" xml:"Side" require:"true"`
 }
 
 func (s RecognizeDrivingLicenseRequest) String() string {
@@ -1305,11 +1244,6 @@ func (s RecognizeDrivingLicenseRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeDrivingLicenseRequest) SetImageType(v int) *RecognizeDrivingLicenseRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeDrivingLicenseRequest) SetImageURL(v string) *RecognizeDrivingLicenseRequest {
 	s.ImageURL = &v
 	return s
@@ -1510,7 +1444,6 @@ func (s *RecognizeDrivingLicenseResponseDataBackResult) SetPlateNumber(v string)
 
 type RecognizeDrivingLicenseAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 	Side           *string   `json:"Side" xml:"Side" require:"true"`
 }
 
@@ -1527,19 +1460,13 @@ func (s *RecognizeDrivingLicenseAdvanceRequest) SetImageURLObject(v io.Reader) *
 	return s
 }
 
-func (s *RecognizeDrivingLicenseAdvanceRequest) SetImageType(v int) *RecognizeDrivingLicenseAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeDrivingLicenseAdvanceRequest) SetSide(v string) *RecognizeDrivingLicenseAdvanceRequest {
 	s.Side = &v
 	return s
 }
 
 type RecognizeBankCardRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeBankCardRequest) String() string {
@@ -1550,11 +1477,6 @@ func (s RecognizeBankCardRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeBankCardRequest) SetImageType(v int) *RecognizeBankCardRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeBankCardRequest) SetImageURL(v string) *RecognizeBankCardRequest {
 	s.ImageURL = &v
 	return s
@@ -1614,7 +1536,6 @@ func (s *RecognizeBankCardResponseData) SetValidDate(v string) *RecognizeBankCar
 
 type RecognizeBankCardAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeBankCardAdvanceRequest) String() string {
@@ -1630,14 +1551,8 @@ func (s *RecognizeBankCardAdvanceRequest) SetImageURLObject(v io.Reader) *Recogn
 	return s
 }
 
-func (s *RecognizeBankCardAdvanceRequest) SetImageType(v int) *RecognizeBankCardAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type RecognizeTrainTicketRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeTrainTicketRequest) String() string {
@@ -1648,11 +1563,6 @@ func (s RecognizeTrainTicketRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeTrainTicketRequest) SetImageType(v int) *RecognizeTrainTicketRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeTrainTicketRequest) SetImageURL(v string) *RecognizeTrainTicketRequest {
 	s.ImageURL = &v
 	return s
@@ -1742,7 +1652,6 @@ func (s *RecognizeTrainTicketResponseData) SetPrice(v float32) *RecognizeTrainTi
 
 type RecognizeTrainTicketAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeTrainTicketAdvanceRequest) String() string {
@@ -1758,15 +1667,9 @@ func (s *RecognizeTrainTicketAdvanceRequest) SetImageURLObject(v io.Reader) *Rec
 	return s
 }
 
-func (s *RecognizeTrainTicketAdvanceRequest) SetImageType(v int) *RecognizeTrainTicketAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type RecognizeDriverLicenseRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
-	Side      *string `json:"Side" xml:"Side" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	Side     *string `json:"Side" xml:"Side" require:"true"`
 }
 
 func (s RecognizeDriverLicenseRequest) String() string {
@@ -1777,11 +1680,6 @@ func (s RecognizeDriverLicenseRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeDriverLicenseRequest) SetImageType(v int) *RecognizeDriverLicenseRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeDriverLicenseRequest) SetImageURL(v string) *RecognizeDriverLicenseRequest {
 	s.ImageURL = &v
 	return s
@@ -1916,7 +1814,6 @@ func (s *RecognizeDriverLicenseResponseDataBackResult) SetArchiveNumber(v string
 
 type RecognizeDriverLicenseAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 	Side           *string   `json:"Side" xml:"Side" require:"true"`
 }
 
@@ -1933,19 +1830,13 @@ func (s *RecognizeDriverLicenseAdvanceRequest) SetImageURLObject(v io.Reader) *R
 	return s
 }
 
-func (s *RecognizeDriverLicenseAdvanceRequest) SetImageType(v int) *RecognizeDriverLicenseAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeDriverLicenseAdvanceRequest) SetSide(v string) *RecognizeDriverLicenseAdvanceRequest {
 	s.Side = &v
 	return s
 }
 
 type RecognizeAccountPageRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeAccountPageRequest) String() string {
@@ -1956,11 +1847,6 @@ func (s RecognizeAccountPageRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeAccountPageRequest) SetImageType(v int) *RecognizeAccountPageRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeAccountPageRequest) SetImageURL(v string) *RecognizeAccountPageRequest {
 	s.ImageURL = &v
 	return s
@@ -2261,7 +2147,6 @@ func (s *RecognizeAccountPageResponseDataTitleArea) SetWidth(v int) *RecognizeAc
 
 type RecognizeAccountPageAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeAccountPageAdvanceRequest) String() string {
@@ -2277,14 +2162,8 @@ func (s *RecognizeAccountPageAdvanceRequest) SetImageURLObject(v io.Reader) *Rec
 	return s
 }
 
-func (s *RecognizeAccountPageAdvanceRequest) SetImageType(v int) *RecognizeAccountPageAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type RecognizeStampRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeStampRequest) String() string {
@@ -2295,11 +2174,6 @@ func (s RecognizeStampRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeStampRequest) SetImageType(v int) *RecognizeStampRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeStampRequest) SetImageURL(v string) *RecognizeStampRequest {
 	s.ImageURL = &v
 	return s
@@ -2457,7 +2331,6 @@ func (s *RecognizeStampResponseDataResultsText) SetConfidence(v float32) *Recogn
 
 type RecognizeStampAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeStampAdvanceRequest) String() string {
@@ -2473,14 +2346,8 @@ func (s *RecognizeStampAdvanceRequest) SetImageURLObject(v io.Reader) *Recognize
 	return s
 }
 
-func (s *RecognizeStampAdvanceRequest) SetImageType(v int) *RecognizeStampAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type RecognizeBusinessCardRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeBusinessCardRequest) String() string {
@@ -2491,11 +2358,6 @@ func (s RecognizeBusinessCardRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeBusinessCardRequest) SetImageType(v int) *RecognizeBusinessCardRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeBusinessCardRequest) SetImageURL(v string) *RecognizeBusinessCardRequest {
 	s.ImageURL = &v
 	return s
@@ -2543,7 +2405,6 @@ func (s *RecognizeBusinessCardResponseData) SetName(v string) *RecognizeBusiness
 
 type RecognizeBusinessCardAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeBusinessCardAdvanceRequest) String() string {
@@ -2559,14 +2420,8 @@ func (s *RecognizeBusinessCardAdvanceRequest) SetImageURLObject(v io.Reader) *Re
 	return s
 }
 
-func (s *RecognizeBusinessCardAdvanceRequest) SetImageType(v int) *RecognizeBusinessCardAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type RecognizeVINCodeRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeVINCodeRequest) String() string {
@@ -2577,11 +2432,6 @@ func (s RecognizeVINCodeRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeVINCodeRequest) SetImageType(v int) *RecognizeVINCodeRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeVINCodeRequest) SetImageURL(v string) *RecognizeVINCodeRequest {
 	s.ImageURL = &v
 	return s
@@ -2629,7 +2479,6 @@ func (s *RecognizeVINCodeResponseData) SetVinCode(v string) *RecognizeVINCodeRes
 
 type RecognizeVINCodeAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeVINCodeAdvanceRequest) String() string {
@@ -2645,14 +2494,8 @@ func (s *RecognizeVINCodeAdvanceRequest) SetImageURLObject(v io.Reader) *Recogni
 	return s
 }
 
-func (s *RecognizeVINCodeAdvanceRequest) SetImageType(v int) *RecognizeVINCodeAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type RecognizeBusinessLicenseRequest struct {
-	ImageType *int    `json:"ImageType" xml:"ImageType"`
-	ImageURL  *string `json:"ImageURL" xml:"ImageURL" require:"true"`
+	ImageURL *string `json:"ImageURL" xml:"ImageURL" require:"true"`
 }
 
 func (s RecognizeBusinessLicenseRequest) String() string {
@@ -2663,11 +2506,6 @@ func (s RecognizeBusinessLicenseRequest) GoString() string {
 	return s.String()
 }
 
-func (s *RecognizeBusinessLicenseRequest) SetImageType(v int) *RecognizeBusinessLicenseRequest {
-	s.ImageType = &v
-	return s
-}
-
 func (s *RecognizeBusinessLicenseRequest) SetImageURL(v string) *RecognizeBusinessLicenseRequest {
 	s.ImageURL = &v
 	return s
@@ -2933,7 +2771,6 @@ func (s *RecognizeBusinessLicenseResponseDataQRCode) SetWidth(v int) *RecognizeB
 
 type RecognizeBusinessLicenseAdvanceRequest struct {
 	ImageURLObject io.Reader `json:"ImageURLObject" xml:"ImageURLObject" require:"true"`
-	ImageType      *int      `json:"ImageType" xml:"ImageType"`
 }
 
 func (s RecognizeBusinessLicenseAdvanceRequest) String() string {
@@ -2949,11 +2786,6 @@ func (s *RecognizeBusinessLicenseAdvanceRequest) SetImageURLObject(v io.Reader)
 	return s
 }
 
-func (s *RecognizeBusinessLicenseAdvanceRequest) SetImageType(v int) *RecognizeBusinessLicenseAdvanceRequest {
-	s.ImageType = &v
-	return s
-}
-
 type Client struct {
 	service.BaseClient
 }
diff --git a/ocr-20191230/main.tea b/ocr-20191230/main.tea
index 56dda55085..5225181f70 100644
--- a/ocr-20191230/main.tea
+++ b/ocr-20191230/main.tea
@@ -22,23 +22,23 @@ module ocr {
   model Config {
     accessKeyId?: string,
     accessKeySecret?: string,
-    type: string,
-    securityToken: string,
+    type?: string,
+    securityToken?: string,
     endpoint: string,
-    protocol: string,
+    protocol?: string,
     regionId: string,
-    userAgent: string,
-    readTimeout: number,
-    connectTimeout: number,
-    localAddr: string,
-    httpProxy: string,
-    httpsProxy: string,
-    noProxy: string,
-    socks5Proxy: string,
-    socks5NetWork: string,
-    maxIdleConns: number,
-    endpointType: string,
-    openPlatformEndpoint: string,
+    userAgent?: string,
+    readTimeout?: number,
+    connectTimeout?: number,
+    localAddr?: string,
+    httpProxy?: string,
+    httpsProxy?: string,
+    noProxy?: string,
+    socks5Proxy?: string,
+    socks5NetWork?: string,
+    maxIdleConns?: number,
+    endpointType?: string,
+    openPlatformEndpoint?: string,
   }
 
   init(config: Config);
@@ -95,7 +95,6 @@ module ocr {
   }
 
   model RecognizeCharacterRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
     minHeight: integer(name='MinHeight', description='minHeight'),
     outputProbability: boolean(name='OutputProbability', description='outputProbability'),
@@ -108,15 +107,13 @@ module ocr {
         {
           probability: float(name='Probability', description='probability'),
           text: string(name='Text', description='text'),
-          textRectangles: [
-            {
-              angle: integer(name='Angle', description='angle'),
-              left: integer(name='Left', description='left'),
-              top: integer(name='Top', description='top'),
-              width: integer(name='Width', description='width'),
-              height: integer(name='Height', description='height'),
-            }
-          ](name='TextRectangles', description='textRectangles'),
+          textRectangles: {
+            angle: integer(name='Angle', description='angle'),
+            left: integer(name='Left', description='left'),
+            top: integer(name='Top', description='top'),
+            width: integer(name='Width', description='width'),
+            height: integer(name='Height', description='height'),
+          }(name='TextRectangles', description='textRectangles'),
         }
       ](name='Results', description='results'),
     }(name='Data', description='data'),
@@ -128,7 +125,6 @@ module ocr {
 
   model RecognizeCharacterAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
     minHeight: integer(name='MinHeight', description='minHeight'),
     outputProbability: boolean(name='OutputProbability', description='outputProbability'),
   }
@@ -188,7 +184,6 @@ module ocr {
   }
 
   model RecognizeTaxiInvoiceRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -231,7 +226,6 @@ module ocr {
 
   model RecognizeTaxiInvoiceAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeTaxiInvoiceAdvance(request: RecognizeTaxiInvoiceAdvanceRequest, runtime: Common.RuntimeObject): RecognizeTaxiInvoiceResponse {
@@ -289,7 +283,6 @@ module ocr {
   }
 
   model RecognizeIdentityCardRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
     side: string(name='Side', description='side'),
   }
@@ -342,7 +335,6 @@ module ocr {
 
   model RecognizeIdentityCardAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
     side: string(name='Side', description='side'),
   }
 
@@ -401,7 +393,6 @@ module ocr {
   }
 
   model RecognizeLicensePlateRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -431,7 +422,6 @@ module ocr {
 
   model RecognizeLicensePlateAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeLicensePlateAdvance(request: RecognizeLicensePlateAdvanceRequest, runtime: Common.RuntimeObject): RecognizeLicensePlateResponse {
@@ -489,7 +479,6 @@ module ocr {
   }
 
   model RecognizeTableRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
     outputFormat: string(name='OutputFormat', description='outputFormat'),
     useFinanceModel: boolean(name='UseFinanceModel', description='useFinanceModel'),
@@ -531,7 +520,6 @@ module ocr {
 
   model RecognizeTableAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
     outputFormat: string(name='OutputFormat', description='outputFormat'),
     useFinanceModel: boolean(name='UseFinanceModel', description='useFinanceModel'),
     assureDirection: boolean(name='AssureDirection', description='assureDirection'),
@@ -594,7 +582,6 @@ module ocr {
   }
 
   model RecognizeDrivingLicenseRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
     side: string(name='Side', description='side'),
   }
@@ -635,7 +622,6 @@ module ocr {
 
   model RecognizeDrivingLicenseAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
     side: string(name='Side', description='side'),
   }
 
@@ -694,7 +680,6 @@ module ocr {
   }
 
   model RecognizeBankCardRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -713,7 +698,6 @@ module ocr {
 
   model RecognizeBankCardAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeBankCardAdvance(request: RecognizeBankCardAdvanceRequest, runtime: Common.RuntimeObject): RecognizeBankCardResponse {
@@ -771,7 +755,6 @@ module ocr {
   }
 
   model RecognizeTrainTicketRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -795,7 +778,6 @@ module ocr {
 
   model RecognizeTrainTicketAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeTrainTicketAdvance(request: RecognizeTrainTicketAdvanceRequest, runtime: Common.RuntimeObject): RecognizeTrainTicketResponse {
@@ -853,7 +835,6 @@ module ocr {
   }
 
   model RecognizeDriverLicenseRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
     side: string(name='Side', description='side'),
   }
@@ -883,7 +864,6 @@ module ocr {
 
   model RecognizeDriverLicenseAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
     side: string(name='Side', description='side'),
   }
 
@@ -942,7 +922,6 @@ module ocr {
   }
 
   model RecognizeAccountPageRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -1005,7 +984,6 @@ module ocr {
 
   model RecognizeAccountPageAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeAccountPageAdvance(request: RecognizeAccountPageAdvanceRequest, runtime: Common.RuntimeObject): RecognizeAccountPageResponse {
@@ -1063,7 +1041,6 @@ module ocr {
   }
 
   model RecognizeStampRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -1099,7 +1076,6 @@ module ocr {
 
   model RecognizeStampAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeStampAdvance(request: RecognizeStampAdvanceRequest, runtime: Common.RuntimeObject): RecognizeStampResponse {
@@ -1157,7 +1133,6 @@ module ocr {
   }
 
   model RecognizeBusinessCardRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -1174,7 +1149,6 @@ module ocr {
 
   model RecognizeBusinessCardAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeBusinessCardAdvance(request: RecognizeBusinessCardAdvanceRequest, runtime: Common.RuntimeObject): RecognizeBusinessCardResponse {
@@ -1232,7 +1206,6 @@ module ocr {
   }
 
   model RecognizeVINCodeRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -1249,7 +1222,6 @@ module ocr {
 
   model RecognizeVINCodeAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeVINCodeAdvance(request: RecognizeVINCodeAdvanceRequest, runtime: Common.RuntimeObject): RecognizeVINCodeResponse {
@@ -1307,7 +1279,6 @@ module ocr {
   }
 
   model RecognizeBusinessLicenseRequest = {
-    imageType?: integer(name='ImageType', description='imageType'),
     imageURL: string(name='ImageURL', description='imageUrl'),
   }
 
@@ -1357,7 +1328,6 @@ module ocr {
 
   model RecognizeBusinessLicenseAdvanceRequest = {
     imageURLObject: readable(description='ImageURLObject', name='ImageURLObject'),
-    imageType?: integer(name='ImageType', description='imageType'),
   }
 
   async function recognizeBusinessLicenseAdvance(request: RecognizeBusinessLicenseAdvanceRequest, runtime: Common.RuntimeObject): RecognizeBusinessLicenseResponse {