diff --git a/Gopkg.lock b/Gopkg.lock
index 7011dc02ec..dd3ce49855 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -567,9 +567,10 @@
   revision = "bbd99532a768d2fe369079ceda730e30726ae1a6"
 
 [[projects]]
+  branch = "release/2.0.0"
   name = "github.com/yunionio/jsonutils"
   packages = ["."]
-  revision = "6dd39f8579af6c6b61b971eb3a1ccf55e724b0ca"
+  revision = "0f3f30adfdac3dec6ffbbfb72116f6f908134f63"
 
 [[projects]]
   branch = "master"
@@ -904,6 +905,6 @@
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "1fdd79d4d8791f7e87a3740b3807ea84f6306ecac3095d32a1ccf39b48be1f18"
+  inputs-digest = "aa5af605c21bc592cbc237ad3539bc2cd9bbe5b8495c6c2d22e4a3bd8b148633"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index f30a127cfa..40b7a9bfdb 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -30,7 +30,7 @@
   version = "0.2.2"
 
 [[constraint]]
-  revision = "6dd39f8579af6c6b61b971eb3a1ccf55e724b0ca"
+  branch = "release/2.0.0"
   name = "github.com/yunionio/jsonutils"
 
 [[constraint]]
diff --git a/pkg/cloudcommon/db/db_dispatcher.go b/pkg/cloudcommon/db/db_dispatcher.go
index 579680b22a..b0b73f77cc 100644
--- a/pkg/cloudcommon/db/db_dispatcher.go
+++ b/pkg/cloudcommon/db/db_dispatcher.go
@@ -665,7 +665,7 @@ func doCreateItem(manager IModelManager, ctx context.Context, userCred mcclient.
 
 	generateName, _ := dataDict.GetString("generate_name")
 	if len(generateName) > 0 {
-		dataDict.Remove("generate_name", true)
+		dataDict.Remove("generate_name")
 		dataDict.Add(jsonutils.NewString(GenerateName(manager, ownerProjId, generateName)), "name")
 	} else {
 		name, _ := data.GetString("name")
@@ -756,7 +756,7 @@ func expandMultiCreateParams(data jsonutils.JSONObject, count int) ([]jsonutils.
 			return nil, httperrors.NewInputParameterError("Missing name or generate_name")
 		}
 		jsonDict.Add(jsonutils.NewString(name), "generate_name")
-		jsonDict.Remove("name", false)
+		jsonDict.RemoveIgnoreCase("name")
 	}
 	ret := make([]jsonutils.JSONObject, count)
 	for i := 0; i < count; i += 1 {
diff --git a/pkg/cloudcommon/db/opslog.go b/pkg/cloudcommon/db/opslog.go
index 308ba46c27..2afaef2974 100644
--- a/pkg/cloudcommon/db/opslog.go
+++ b/pkg/cloudcommon/db/opslog.go
@@ -270,17 +270,17 @@ func (manager *SOpsLogManager) ListItemFilter(ctx context.Context, q *sqlchemy.S
 	}
 	objTypes := jsonutils.GetQueryStringArray(queryDict, "obj_type")
 	if objTypes != nil && len(objTypes) > 0 {
-		queryDict.Remove("obj_type", false)
+		queryDict.RemoveIgnoreCase("obj_type")
 		q = q.Filter(sqlchemy.In(q.Field("obj_type"), objTypes))
 	}
 	objIds := jsonutils.GetQueryStringArray(queryDict, "obj_id")
 	if objIds != nil && len(objIds) > 0 {
-		queryDict.Remove("obj_id", false)
+		queryDict.RemoveIgnoreCase("obj_id")
 		q = q.Filter(sqlchemy.OR(sqlchemy.In(q.Field("obj_id"), objIds), sqlchemy.In(q.Field("obj_name"), objIds)))
 	}
 	action := jsonutils.GetQueryStringArray(queryDict, "action")
 	if action != nil && len(action) > 0 {
-		queryDict.Remove("action", false)
+		queryDict.RemoveIgnoreCase("action")
 		q = q.Filter(sqlchemy.In(q.Field("action"), action))
 	}
 	if !userCred.IsSystemAdmin() {
diff --git a/pkg/compute/models/guests.go b/pkg/compute/models/guests.go
index d7490a5f42..f8aeed41f8 100644
--- a/pkg/compute/models/guests.go
+++ b/pkg/compute/models/guests.go
@@ -196,7 +196,7 @@ func (manager *SGuestManager) ListItemFilter(ctx context.Context, q *sqlchemy.SQ
 	isBMstr, _ := queryDict.GetString("baremetal")
 	if len(isBMstr) > 0 && utils.ToBool(isBMstr) {
 		queryDict.Add(jsonutils.NewString(HYPERVISOR_BAREMETAL), "hypervisor")
-		queryDict.Remove("baremetal", true)
+		queryDict.Remove("baremetal")
 	}
 	hypervisor, _ := queryDict.GetString("hypervisor")
 	if len(hypervisor) > 0 {
diff --git a/pkg/mcclient/modules/mod_images.go b/pkg/mcclient/modules/mod_images.go
index 5e676bf469..9264241e0d 100644
--- a/pkg/mcclient/modules/mod_images.go
+++ b/pkg/mcclient/modules/mod_images.go
@@ -119,7 +119,7 @@ func (this *ImageManager) List(session *mcclient.ClientSession, params jsonutils
 			path = fmt.Sprintf("%s/detail", path)
 		}
 		dictparams, _ := params.(*jsonutils.JSONDict)
-		dictparams.Remove("details", false)
+		dictparams.RemoveIgnoreCase("details")
 		qs := params.QueryString()
 		if len(qs) > 0 {
 			path = fmt.Sprintf("%s?%s", path, qs)
diff --git a/pkg/mcclient/modules/mod_usages.go b/pkg/mcclient/modules/mod_usages.go
index 7945dee8e3..ff9daa18ae 100644
--- a/pkg/mcclient/modules/mod_usages.go
+++ b/pkg/mcclient/modules/mod_usages.go
@@ -20,8 +20,8 @@ func (this *UsageManager) GetGeneralUsage(session *mcclient.ClientSession, param
 			url = fmt.Sprintf("%s/%s/%s", url, range_type, range_id)
 		}
 		dict := params.(*jsonutils.JSONDict)
-		dict.Remove("range_type", true)
-		dict.Remove("range_id", true)
+		dict.Remove("range_type")
+		dict.Remove("range_id")
 		qs := dict.QueryString()
 		if len(qs) > 0 {
 			url = fmt.Sprintf("%s?%s", url, qs)
diff --git a/vendor/github.com/yunionio/jsonutils/access.go b/vendor/github.com/yunionio/jsonutils/access.go
index e1e0c0d469..57642a0442 100644
--- a/vendor/github.com/yunionio/jsonutils/access.go
+++ b/vendor/github.com/yunionio/jsonutils/access.go
@@ -42,11 +42,36 @@ func NewFloat(val float64) *JSONFloat {
 	return &JSONFloat{data: val}
 }
 
+func NewBool(val bool) *JSONBool {
+	if val {
+		return JSONTrue
+	}
+	return JSONFalse
+}
+
 func (this *JSONDict) Set(key string, value JSONObject) {
 	this.data[key] = value
 }
 
-func (this *JSONDict) Remove(key string, caseSensitive bool) bool {
+func (this *JSONDict) Remove(key string) bool {
+	return this.remove(key, true)
+}
+
+func (this *JSONDict) RemoveIgnoreCase(key string) bool {
+	someRemoved := false
+	for {
+		removed := this.remove(key, false)
+		if !removed {
+			break
+		}
+		if !someRemoved {
+			someRemoved = true
+		}
+	}
+	return someRemoved
+}
+
+func (this *JSONDict) remove(key string, caseSensitive bool) bool {
 	_, rk, ok := dictGet(this.data, key, caseSensitive)
 	if ok {
 		delete(this.data, rk)
diff --git a/vendor/github.com/yunionio/jsonutils/length.go b/vendor/github.com/yunionio/jsonutils/length.go
new file mode 100644
index 0000000000..d47009cc41
--- /dev/null
+++ b/vendor/github.com/yunionio/jsonutils/length.go
@@ -0,0 +1,13 @@
+package jsonutils
+
+func (this *JSONString) Length() int {
+	return len(this.data)
+}
+
+func (this *JSONDict) Length() int {
+	return len(this.data)
+}
+
+func (this *JSONArray) Length() int {
+	return len(this.data)
+}