diff --git a/bce/config.go b/bce/config.go
index a6cb50d1..243b4c81 100644
--- a/bce/config.go
+++ b/bce/config.go
@@ -26,7 +26,7 @@ import (
 
 // Constants and default values for the package bce
 const (
-	SDK_VERSION                          = "0.9.201"
+	SDK_VERSION                          = "0.9.202"
 	URI_PREFIX                           = "/" // now support uri without prefix "v1" so just set root path
 	DEFAULT_DOMAIN                       = "baidubce.com"
 	DEFAULT_PROTOCOL                     = "http"
diff --git a/doc/BCC.md b/doc/BCC.md
index c7bc6a2d..2ba0ac88 100644
--- a/doc/BCC.md
+++ b/doc/BCC.md
@@ -2763,6 +2763,7 @@ args := &api.CreateSnapshotArgs{
 	VolumeId:     volumeId,
 	SnapshotName: "sdk",
 	Description:  "create by sdk",
+	RetentionInDays: 1,
 }
 result, err := client.CreateSnapshot(args)
 if err != nil {
@@ -2796,6 +2797,22 @@ if err != nil {
     fmt.Println("get snapshot detail success: ", result)
 }
 ```
+### 修改快照属性
+
+如下代码可以修改快照属性
+```go
+args := &api.ModifySnapshotAttributeArgs{
+SnapshotName:      "test-snapshot",
+Desc:              "test-desc",
+RetentionInDays:   1,
+}
+err := client.ModifySnapshotAttribute(snapshotId, args)
+if err != nil {
+    fmt.Println("modify snapshot attribute failed:", err)
+} else {
+    fmt.Println("modify snapshot attribute success")
+}
+```
 
 ### 删除快照
 
@@ -3431,8 +3448,11 @@ if err != nil {
 ```go
 // 设置可用区名称，可选
 zoneName := "your-zone-name"
+// 设置套餐，可选
+specs := "spec1,spec2"
 args := &api.ListFlavorSpecArgs{
     ZoneName:   zoneName,
+	Specs:      specs,
 }
 if res, err := bccClient.ListFlavorSpec(args); err != nil {
     fmt.Println("Get specified flavor list failed: ", err)
diff --git a/services/bcc/api/cds.go b/services/bcc/api/cds.go
index 4257827e..d889f9a2 100644
--- a/services/bcc/api/cds.go
+++ b/services/bcc/api/cds.go
@@ -934,3 +934,35 @@ func GetCdsPrice(cli bce.Client, args *VolumePriceRequestArgs) (*VolumePriceResp
 	return jsonBody, nil
 }
 
+func ModifySnapshotAttribute(cli bce.Client, snapshotId string, args *ModifySnapshotAttributeArgs) error {
+	// Build the request
+	req := &bce.BceRequest{}
+	req.SetUri(getSnapshotUriWithId(snapshotId))
+	req.SetMethod(http.PUT)
+
+	req.SetParam("modifyAttribute", "")
+
+	jsonBytes, err := json.Marshal(args)
+	if err != nil {
+		return err
+	}
+	body, err := bce.NewBodyFromBytes(jsonBytes)
+	if err != nil {
+		return err
+	}
+	req.SetBody(body)
+
+	// Send request and get response
+	resp := &bce.BceResponse{}
+	if err := cli.SendRequest(req, resp); err != nil {
+		return err
+	}
+	if resp.IsFail() {
+		return resp.ServiceError()
+	}
+
+	defer func() { resp.Body().Close() }()
+	return nil
+}
+
+
diff --git a/services/bcc/api/model.go b/services/bcc/api/model.go
index 9b57ca39..c2249962 100644
--- a/services/bcc/api/model.go
+++ b/services/bcc/api/model.go
@@ -1741,11 +1741,12 @@ type GetImageOsArgs struct {
 }
 
 type CreateSnapshotArgs struct {
-	ClientToken  string           `json:"-"`
-	VolumeId     string           `json:"volumeId"`
-	SnapshotName string           `json:"snapshotName"`
-	Description  string           `json:"desc,omitempty"`
-	Tags         []model.TagModel `json:"tags"`
+	ClientToken     string           `json:"-"`
+	VolumeId        string           `json:"volumeId"`
+	SnapshotName    string           `json:"snapshotName"`
+	Description     string           `json:"desc,omitempty"`
+	Tags            []model.TagModel `json:"tags"`
+	RetentionInDays int              `json:"retentionInDays,omitempty"`
 }
 
 type CreateSnapshotResult struct {
@@ -2047,6 +2048,8 @@ type CreateBidInstanceResult struct {
 
 type ListFlavorSpecArgs struct {
 	ZoneName string `json:"zoneName,omitempty"`
+	Specs    string `json:"specs,omitempty"`
+	SpecIds  string `json:"specIds,omitempty"`
 }
 
 type ListFlavorSpecResult struct {
@@ -2069,26 +2072,34 @@ type FlavorGroup struct {
 }
 
 type BccFlavor struct {
-	CpuCount            int    `json:"cpuCount"`
-	MemoryCapacityInGB  int    `json:"memoryCapacityInGB"`
-	EphemeralDiskInGb   int    `json:"ephemeralDiskInGb"`
-	EphemeralDiskCount  int    `json:"ephemeralDiskCount"`
-	EphemeralDiskType   string `json:"ephemeralDiskType"`
-	GpuCardType         string `json:"gpuCardType"`
-	GpuCardCount        int    `json:"gpuCardCount"`
-	FpgaCardType        string `json:"fpgaCardType"`
-	FpgaCardCount       int    `json:"fpgaCardCount"`
-	ProductType         string `json:"productType"`
-	Spec                string `json:"spec"`
-	SpecId              string `json:"specId"`
-	FlavorSubType       string `json:"flavorSubType"`
-	CpuModel            string `json:"cpuModel"`
-	CpuGHz              string `json:"cpuGHz"`
-	NetworkBandwidth    string `json:"networkBandwidth"`
-	NetworkPackage      string `json:"networkPackage"`
-	NetEthQueueCount    string `json:"netEthQueueCount"`
-	EnableJumboFrame    bool   `json:"enableJumboFrame"`
-	NetEthMaxQueueCount string `json:"netEthMaxQueueCount"`
+	CpuCount           int      `json:"cpuCount"`
+	MemoryCapacityInGB int      `json:"memoryCapacityInGB"`
+	EphemeralDiskInGb  int      `json:"ephemeralDiskInGb"`
+	EphemeralDiskCount int      `json:"ephemeralDiskCount"`
+	EphemeralDiskType  string   `json:"ephemeralDiskType"`
+	GpuCardType        string   `json:"gpuCardType"`
+	GpuCardCount       int      `json:"gpuCardCount"`
+	FpgaCardType       string   `json:"fpgaCardType"`
+	FpgaCardCount      int      `json:"fpgaCardCount"`
+	ProductType        string   `json:"productType"`
+	Spec               string   `json:"spec"`
+	SpecId             string   `json:"specId"`
+	FlavorSubType      string   `json:"flavorSubType"`
+	CpuModel           string   `json:"cpuModel"`
+	CpuGHz             string   `json:"cpuGHz"`
+	NetworkBandwidth   string   `json:"networkBandwidth"`
+	NetworkPackage     string   `json:"networkPackage"`
+	NetEthQueueCount   string   `json:"netEthQueueCount"`
+	EnableJumboFrame   bool     `json:"enableJumboFrame"`
+	NicIpv4Quota       int      `json:"nicIpv4Quota"`
+	NicIpv6Quota       int      `json:"nicIpv6Quota"`
+	EniQuota           int      `json:"eniQuota"`
+	EriQuota           int      `json:"eriQuota"`
+	RdmaType           string   `json:"rdmaType"`
+	RdmaNetCardCount   int      `json:"rdmaNetCardCount"`
+	RdmaNetBandwidth   int      `json:"rdmaNetBandwidth"`
+	SystemDiskType     []string `json:"systemDiskType"`
+	DataDiskType       []string `json:"dataDiskType"`
 }
 
 type EbcResources struct {
@@ -2101,23 +2112,32 @@ type EbcFlavorGroup struct {
 }
 
 type EbcFlavor struct {
-	CpuCount           int    `json:"cpuCount"`
-	MemoryCapacityInGB int    `json:"memoryCapacityInGB"`
-	EphemeralDiskInGb  int    `json:"ephemeralDiskInGb"`
-	EphemeralDiskCount string `json:"ephemeralDiskCount"`
-	EphemeralDiskType  string `json:"ephemeralDiskType"`
-	GpuCardType        string `json:"gpuCardType"`
-	GpuCardCount       string `json:"gpuCardCount"`
-	FpgaCardType       string `json:"fpgaCardType"`
-	FpgaCardCount      string `json:"fpgaCardCount"`
-	ProductType        string `json:"productType"`
-	Spec               string `json:"spec"`
-	SpecId             string `json:"specId"`
-	FlavorSubType      string `json:"flavorSubType"`
-	CpuModel           string `json:"cpuModel"`
-	CpuGHz             string `json:"cpuGHz"`
-	NetworkBandwidth   string `json:"networkBandwidth"`
-	NetworkPackage     string `json:"networkPackage"`
+	CpuCount           int      `json:"cpuCount"`
+	MemoryCapacityInGB int      `json:"memoryCapacityInGB"`
+	EphemeralDiskInGb  int      `json:"ephemeralDiskInGb"`
+	EphemeralDiskCount string   `json:"ephemeralDiskCount"`
+	EphemeralDiskType  string   `json:"ephemeralDiskType"`
+	GpuCardType        string   `json:"gpuCardType"`
+	GpuCardCount       string   `json:"gpuCardCount"`
+	FpgaCardType       string   `json:"fpgaCardType"`
+	FpgaCardCount      string   `json:"fpgaCardCount"`
+	ProductType        string   `json:"productType"`
+	Spec               string   `json:"spec"`
+	SpecId             string   `json:"specId"`
+	FlavorSubType      string   `json:"flavorSubType"`
+	CpuModel           string   `json:"cpuModel"`
+	CpuGHz             string   `json:"cpuGHz"`
+	NetworkBandwidth   string   `json:"networkBandwidth"`
+	NetworkPackage     string   `json:"networkPackage"`
+	NicIpv4Quota       int      `json:"nicIpv4Quota"`
+	NicIpv6Quota       int      `json:"nicIpv6Quota"`
+	EniQuota           int      `json:"eniQuota"`
+	EriQuota           int      `json:"eriQuota"`
+	RdmaType           string   `json:"rdmaType"`
+	RdmaNetCardCount   int      `json:"rdmaNetCardCount"`
+	RdmaNetBandwidth   int      `json:"rdmaNetBandwidth"`
+	SystemDiskType     []string `json:"systemDiskType"`
+	DataDiskType       []string `json:"dataDiskType"`
 }
 
 type GetPriceBySpecArgs struct {
@@ -2710,3 +2730,9 @@ type EhcCluster struct {
 	InstanceIds         []string `json:"instanceIds"`
 	ReservedInstanceIds []string `json:"reservedInstanceIds"`
 }
+
+type ModifySnapshotAttributeArgs struct {
+	SnapshotName    string `json:"snapshotName,omitempty"`
+	Desc            string `json:"desc,omitempty"`
+	RetentionInDays int    `json:"retentionInDays,omitempty"`
+}
diff --git a/services/bcc/api/other.go b/services/bcc/api/other.go
index bb21456e..f90869f9 100644
--- a/services/bcc/api/other.go
+++ b/services/bcc/api/other.go
@@ -101,6 +101,12 @@ func ListFlavorSpec(cli bce.Client, args *ListFlavorSpecArgs) (*ListFlavorSpecRe
 		if len(args.ZoneName) != 0 {
 			req.SetParam("zoneName", args.ZoneName)
 		}
+		if len(args.Specs) != 0 {
+			req.SetParam("specs", args.Specs)
+		}
+		if len(args.SpecIds) != 0 {
+			req.SetParam("specIds", args.SpecIds)
+		}
 	}
 
 	// Send request and get response
diff --git a/services/bcc/client.go b/services/bcc/client.go
index b4819525..d5d1e7e5 100644
--- a/services/bcc/client.go
+++ b/services/bcc/client.go
@@ -2640,3 +2640,16 @@ func (c *Client) DeleteEhcCluster(args *api.DeleteEhcClusterArg) error {
 func (c *Client) GetSecurityGroupDetail(securityGroupId string) (*api.GetSecurityGroupDetailResult, error) {
 	return api.GetSecurityGroupDetail(c, securityGroupId)
 }
+
+// ModifySnapshotAttribute - modify snapshot attribute
+//
+// PARAMS:
+//   - cli: the client agent which can perform sending request
+//   - snapshotId: the id of snapshot
+//   - args: the arguments of method
+//
+// RETURNS:
+//   - error: nil if success otherwise the specific error
+func (c *Client) ModifySnapshotAttribute(snapshotId string, args *api.ModifySnapshotAttributeArgs) error {
+	return api.ModifySnapshotAttribute(c, snapshotId, args)
+}
diff --git a/services/bcc/client_test.go b/services/bcc/client_test.go
index d8e13236..022cf03b 100644
--- a/services/bcc/client_test.go
+++ b/services/bcc/client_test.go
@@ -544,6 +544,7 @@ func TestCreateSnapshot(t *testing.T) {
 				TagValue: "val",
 			},
 		},
+		RetentionInDays: 1,
 	}
 	result, err := BCC_CLIENT.CreateSnapshot(args)
 	ExpectEqual(t.Errorf, err, nil)
@@ -959,7 +960,10 @@ func TestListZone(t *testing.T) {
 }
 
 func TestListFlavorSpec(t *testing.T) {
-	args := &api.ListFlavorSpecArgs{}
+	args := &api.ListFlavorSpecArgs{
+		Specs: "bcc.g5.c2m8",
+		ZoneName: "cn-bj-b",
+	}
 	res, err := BCC_CLIENT.ListFlavorSpec(args)
 	ExpectEqual(t.Errorf, err, nil)
 	// fmt.Println(res.ZoneResources[0].BccResources.FlavorGroups[0].Flavors[0].NetEthQueueCount)
@@ -2240,3 +2244,14 @@ func TestClient_GetSecurityDetail(t *testing.T) {
 	ExpectEqual(t.Errorf, err, nil)
 	fmt.Println(res)
 }
+
+func TestModifySnapshotAttribute(t *testing.T) {
+	args := &api.ModifySnapshotAttributeArgs{
+		SnapshotName:      "test-snapshot",
+		Desc:              "test-desc",
+		RetentionInDays:   1,
+	}
+	err := BCC_CLIENT.ModifySnapshotAttribute("s-Dzmlx7Fz", args)
+	ExpectEqual(t.Errorf, err, nil)
+}
+
diff --git a/services/bls/api/model.go b/services/bls/api/model.go
index eef16ddc..3dee15d2 100644
--- a/services/bls/api/model.go
+++ b/services/bls/api/model.go
@@ -217,13 +217,20 @@ type ListFastQueryResult struct {
 }
 
 type LogField struct {
-	Type   string              `json:"type"`
-	Fields map[string]LogField `json:"fields,omitempty"`
+	Type           string              `json:"type"`
+	CaseSensitive  bool                `json:"caseSensitive"`
+	Separators     string              `json:"separators"`
+	IncludeChinese bool                `json:"includeChinese"`
+	Fields         map[string]LogField `json:"fields,omitempty"`
+	DynamicMapping bool                `json:"dynamicMapping,omitempty"`
 }
 
 type IndexFields struct {
-	FullText bool                `json:"fulltext"`
-	Fields   map[string]LogField `json:"fields"`
+	FullText       bool                `json:"fulltext"`
+	CaseSensitive  bool                `json:"caseSensitive"`
+	Separators     string              `json:"separators"`
+	IncludeChinese bool                `json:"includeChinese"`
+	Fields         map[string]LogField `json:"fields"`
 }
 
 type CreateLogShipperBody struct {
diff --git a/services/bls/client_v2.go b/services/bls/client_v2.go
index 2fa3349e..5360143d 100644
--- a/services/bls/client_v2.go
+++ b/services/bls/client_v2.go
@@ -197,8 +197,11 @@ func (c *Client) ListFastQueryV2(request ListFastQueryRequest) (*api.ListFastQue
 
 func (c *Client) CreateIndexV2(request CreateIndexRequest) error {
 	params, jsonErr := json.Marshal(&api.IndexFields{
-		FullText: request.Fulltext,
-		Fields:   request.Fields,
+		FullText:       request.Fulltext,
+		Fields:         request.Fields,
+		CaseSensitive:  request.CaseSensitive,
+		IncludeChinese: request.IncludeChinese,
+		Separators:     request.Separators,
 	})
 	if jsonErr != nil {
 		return jsonErr
@@ -212,8 +215,11 @@ func (c *Client) CreateIndexV2(request CreateIndexRequest) error {
 
 func (c *Client) UpdateIndexV2(request UpdateIndexRequest) error {
 	params, jsonErr := json.Marshal(&api.IndexFields{
-		FullText: request.Fulltext,
-		Fields:   request.Fields,
+		FullText:       request.Fulltext,
+		Fields:         request.Fields,
+		CaseSensitive:  request.CaseSensitive,
+		IncludeChinese: request.IncludeChinese,
+		Separators:     request.Separators,
 	})
 	if jsonErr != nil {
 		return jsonErr
diff --git a/services/bls/client_v2_test.go b/services/bls/client_v2_test.go
index 426f7651..d0411d99 100644
--- a/services/bls/client_v2_test.go
+++ b/services/bls/client_v2_test.go
@@ -1,6 +1,7 @@
 package bls
 
 import (
+	"strings"
 	"testing"
 	"time"
 
@@ -64,28 +65,58 @@ func TestLogStoreAndIndexV2(t *testing.T) {
 
 	// test index api
 	createIndexRequest := CreateIndexRequest{
-		Project:      createLogStoreRequest.Project,
-		LogStoreName: createLogStoreRequest.LogStoreName,
-		Fulltext:     true,
+		Project:        createLogStoreRequest.Project,
+		LogStoreName:   createLogStoreRequest.LogStoreName,
+		Fulltext:       true,
+		CaseSensitive:  true,
+		Separators:     "",
+		IncludeChinese: true,
 		Fields: map[string]api.LogField{
 			"test1": {
-				Type: "float",
+				Type:           "float",
+				CaseSensitive:  true,
+				Separators:     "",
+				IncludeChinese: true,
 			},
 		},
 	}
 	err = BLS_CLIENT.CreateIndexV2(createIndexRequest)
 	ExpectEqual(t.Errorf, err, nil)
+	idx, err := BLS_CLIENT.DescribeIndexV2(DescribeIndexRequest{
+		Project:      createIndexRequest.Project,
+		LogStoreName: createIndexRequest.LogStoreName,
+	})
+	ExpectEqual(t.Errorf, err, nil)
+	ExpectEqual(t.Errorf, true, idx.FullText)
+	ExpectEqual(t.Errorf, true, idx.CaseSensitive)
+	ExpectEqual(t.Errorf, true, idx.IncludeChinese)
+	ExpectEqual(t.Errorf, "@&?|#()='\",;:<>[]{}/ \n\t\r\\", idx.Separators)
+	ExpectEqual(t.Errorf, 1, len(idx.Fields))
+	ExpectEqual(t.Errorf, "float", idx.Fields["test1"].Type)
+	ExpectEqual(t.Errorf, true, idx.Fields["test1"].CaseSensitive)
+	ExpectEqual(t.Errorf, true, idx.Fields["test1"].IncludeChinese)
+	ExpectEqual(t.Errorf, "@&?|#()='\",;:<>[]{}/ \n\t\r\\", idx.Fields["test1"].Separators)
 
 	updateIndexRequest := UpdateIndexRequest{
-		Project:      createLogStoreRequest.Project,
-		LogStoreName: createLogStoreRequest.LogStoreName,
-		Fulltext:     true,
+		Project:        createLogStoreRequest.Project,
+		LogStoreName:   createLogStoreRequest.LogStoreName,
+		Fulltext:       true,
+		CaseSensitive:  false,
+		IncludeChinese: true,
+		Separators:     "@&?",
+
 		Fields: map[string]api.LogField{
 			"test1": {
-				Type: "float",
+				Type:           "float",
+				CaseSensitive:  true,
+				Separators:     "@?",
+				IncludeChinese: false,
 			},
 			"test2": {
-				Type: "bool",
+				Type:           "bool",
+				CaseSensitive:  true,
+				Separators:     "",
+				IncludeChinese: false,
 			},
 		},
 	}
@@ -96,12 +127,25 @@ func TestLogStoreAndIndexV2(t *testing.T) {
 		Project:      createLogStoreRequest.Project,
 		LogStoreName: createLogStoreRequest.LogStoreName,
 	}
-	idx, err := BLS_CLIENT.DescribeIndexV2(describeIndexRequest)
+	idx, err = BLS_CLIENT.DescribeIndexV2(describeIndexRequest)
 	ExpectEqual(t.Errorf, err, nil)
 	ExpectEqual(t.Errorf, true, idx.FullText)
+	ExpectEqual(t.Errorf, false, idx.CaseSensitive)
+	ExpectEqual(t.Errorf, true, idx.IncludeChinese)
+	ExpectEqual(t.Errorf, 3, len(idx.Separators))
+	ExpectEqual(t.Errorf, true, strings.Contains(idx.Separators, "@") && strings.Contains(idx.Separators, "?") &&
+		strings.Contains(idx.Separators, "&"))
 	ExpectEqual(t.Errorf, 2, len(idx.Fields))
 	ExpectEqual(t.Errorf, "float", idx.Fields["test1"].Type)
+	ExpectEqual(t.Errorf, true, idx.Fields["test1"].CaseSensitive)
+	ExpectEqual(t.Errorf, false, idx.Fields["test1"].IncludeChinese)
+	ExpectEqual(t.Errorf, 2, len(idx.Fields["test1"].Separators))
+	ExpectEqual(t.Errorf, true, strings.Contains(idx.Fields["test1"].Separators, "@") &&
+		strings.Contains(idx.Fields["test1"].Separators, "?"))
 	ExpectEqual(t.Errorf, "bool", idx.Fields["test2"].Type)
+	ExpectEqual(t.Errorf, true, idx.Fields["test2"].CaseSensitive)
+	ExpectEqual(t.Errorf, false, idx.Fields["test2"].IncludeChinese)
+	ExpectEqual(t.Errorf, "@&?|#()='\",;:<>[]{}/ \n\t\r\\", idx.Fields["test2"].Separators)
 
 	deleteIndexRequest := DeleteIndexRequest{
 		Project:      createLogStoreRequest.Project,
diff --git a/services/bls/model.go b/services/bls/model.go
index 65036d64..3e0720ef 100644
--- a/services/bls/model.go
+++ b/services/bls/model.go
@@ -239,6 +239,12 @@ type CreateIndexRequest struct {
 	LogStoreName string `json:"logStoreName"`
 	// 是否开启全文索引，默认false，不开启全文索引
 	Fulltext bool `json:"fulltext"`
+	// 全文索引是否开启大小写敏感，默认false，不开启大小写敏感
+	CaseSensitive bool `json:"caseSensitive"`
+	// 全文分词符，将字段内容按照分词符拆分成若干个分词用于检索
+	Separators string `json:"separators"`
+	// 是否包含中文，默认为false，不包含中文
+	IncludeChinese bool `json:"includeChinese"`
 	// 字段索引信息
 	Fields map[string]api.LogField `json:"fields"`
 }
@@ -250,6 +256,12 @@ type UpdateIndexRequest struct {
 	LogStoreName string `json:"logStoreName"`
 	// 是否开启全文索引，默认false，不开启全文索引
 	Fulltext bool `json:"fulltext"`
+	// 全文索引是否开启大小写敏感，默认false，不开启大小写敏感
+	CaseSensitive bool `json:"caseSensitive"`
+	// 全文分词符，将字段内容按照分词符拆分成若干个分词用于检索
+	Separators string `json:"separators"`
+	// 是否包含中文，默认为false，不包含中文
+	IncludeChinese bool `json:"includeChinese"`
 	// 字段索引信息
 	Fields map[string]api.LogField `json:"fields"`
 }