diff --git a/go.mod b/go.mod
index cc1f5fb637..febe86ab4c 100644
--- a/go.mod
+++ b/go.mod
@@ -142,9 +142,9 @@ require (
 	yunion.io/x/executor v0.0.0-20200227030256-a18417815e74
 	yunion.io/x/jsonutils v0.0.0-20200303051356-aa609aba0cda
 	yunion.io/x/log v0.0.0-20190629062853-9f6483a7103d
-	yunion.io/x/pkg v0.0.0-20200302034534-fdf44d54b070
+	yunion.io/x/pkg v0.0.0-20200304112442-9dae9351325e
 	yunion.io/x/s3cli v0.0.0-20190917004522-13ac36d8687e
-	yunion.io/x/sqlchemy v0.0.0-20200303101347-d1e82c81b4e1
+	yunion.io/x/sqlchemy v0.0.0-20200312002602-1177cd8fbc57
 	yunion.io/x/structarg v0.0.0-20190809075558-115bed041de3
 )
 
diff --git a/go.sum b/go.sum
index f33c22a092..41b1d910ed 100644
--- a/go.sum
+++ b/go.sum
@@ -837,9 +837,13 @@ yunion.io/x/pkg v0.0.0-20190620104149-945c25821dbf/go.mod h1:t6rEGG2sQ4J7DhFxSZV
 yunion.io/x/pkg v0.0.0-20190628082551-f4033ba2ea30/go.mod h1:t6rEGG2sQ4J7DhFxSZVOTjNd0YO/KlfWQyK1W4tog+E=
 yunion.io/x/pkg v0.0.0-20200302034534-fdf44d54b070 h1:rKnYgtvMHKmzPEUTkyNjyKOG7wzjpUvI7fcZwLNGQXw=
 yunion.io/x/pkg v0.0.0-20200302034534-fdf44d54b070/go.mod h1:t6rEGG2sQ4J7DhFxSZVOTjNd0YO/KlfWQyK1W4tog+E=
+yunion.io/x/pkg v0.0.0-20200304112442-9dae9351325e h1:rBfX77+VEBVpe6Xxy2gDa4WB7qbtndWvXcrVKzleF84=
+yunion.io/x/pkg v0.0.0-20200304112442-9dae9351325e/go.mod h1:t6rEGG2sQ4J7DhFxSZVOTjNd0YO/KlfWQyK1W4tog+E=
 yunion.io/x/s3cli v0.0.0-20190917004522-13ac36d8687e h1:v+EzIadodSwkdZ/7bremd7J8J50Cise/HCylsOJngmo=
 yunion.io/x/s3cli v0.0.0-20190917004522-13ac36d8687e/go.mod h1:0iFKpOs1y4lbCxeOmq3Xx/0AcQoewVPwj62eRluioEo=
 yunion.io/x/sqlchemy v0.0.0-20200303101347-d1e82c81b4e1 h1:OJrTCU1YooMykhSIsYvvJsOE+BdXIVXf4LgfDP7mibE=
 yunion.io/x/sqlchemy v0.0.0-20200303101347-d1e82c81b4e1/go.mod h1:FTdwPdGhMgh4E+UFXc9klI1Ok34fMuybTT+jLhOaIjI=
+yunion.io/x/sqlchemy v0.0.0-20200312002602-1177cd8fbc57 h1:KtQAuLJ00RSUVqkiRmJ1DiDABiw0U3xxXnzD3lGavaY=
+yunion.io/x/sqlchemy v0.0.0-20200312002602-1177cd8fbc57/go.mod h1:FTdwPdGhMgh4E+UFXc9klI1Ok34fMuybTT+jLhOaIjI=
 yunion.io/x/structarg v0.0.0-20190809075558-115bed041de3 h1:bfC8EhXYvyGYldRWlzxiCM39Zfj3s3+zham9mW2h2LE=
 yunion.io/x/structarg v0.0.0-20190809075558-115bed041de3/go.mod h1:EP6NSv2C0zzqBDTKumv8hPWLb3XvgMZDHQRfyuOrQng=
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 64c6f4a88c..6fba70c738 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -979,7 +979,7 @@ yunion.io/x/jsonutils
 # yunion.io/x/log v0.0.0-20190629062853-9f6483a7103d
 yunion.io/x/log
 yunion.io/x/log/hooks
-# yunion.io/x/pkg v0.0.0-20200302034534-fdf44d54b070
+# yunion.io/x/pkg v0.0.0-20200304112442-9dae9351325e
 yunion.io/x/pkg/errors
 yunion.io/x/pkg/gotypes
 yunion.io/x/pkg/prettytable
@@ -1011,7 +1011,7 @@ yunion.io/x/pkg/util/workqueue
 yunion.io/x/pkg/utils
 # yunion.io/x/s3cli v0.0.0-20190917004522-13ac36d8687e
 yunion.io/x/s3cli
-# yunion.io/x/sqlchemy v0.0.0-20200303101347-d1e82c81b4e1
+# yunion.io/x/sqlchemy v0.0.0-20200312002602-1177cd8fbc57
 yunion.io/x/sqlchemy
 # yunion.io/x/structarg v0.0.0-20190809075558-115bed041de3
 yunion.io/x/structarg
diff --git a/vendor/yunion.io/x/pkg/util/reflectutils/jsonfield.go b/vendor/yunion.io/x/pkg/util/reflectutils/jsonfield.go
index b19f02feb3..8871c1431f 100644
--- a/vendor/yunion.io/x/pkg/util/reflectutils/jsonfield.go
+++ b/vendor/yunion.io/x/pkg/util/reflectutils/jsonfield.go
@@ -63,13 +63,17 @@ func (s SStructFieldInfo) deepCopy() *SStructFieldInfo {
 }
 
 func ParseStructFieldJsonInfo(sf reflect.StructField) SStructFieldInfo {
+	return ParseFieldJsonInfo(sf.Name, sf.Tag)
+}
+
+func ParseFieldJsonInfo(name string, tag reflect.StructTag) SStructFieldInfo {
 	info := SStructFieldInfo{}
-	info.FieldName = sf.Name
+	info.FieldName = name
 	info.OmitEmpty = true
 	info.OmitZero = false
 	info.OmitFalse = false
 
-	info.Tags = utils.TagMap(sf.Tag)
+	info.Tags = utils.TagMap(tag)
 	if val, ok := info.Tags["json"]; ok {
 		keys := strings.Split(val, ",")
 		if len(keys) > 0 {
diff --git a/vendor/yunion.io/x/sqlchemy/query.go b/vendor/yunion.io/x/sqlchemy/query.go
index ee62f7cf67..499463067b 100644
--- a/vendor/yunion.io/x/sqlchemy/query.go
+++ b/vendor/yunion.io/x/sqlchemy/query.go
@@ -123,9 +123,9 @@ type SSubQueryField struct {
 
 func (sqf *SSubQueryField) Expression() string {
 	if len(sqf.alias) > 0 {
-		return fmt.Sprintf("%s.%s AS %s", sqf.query.alias, sqf.field.Name(), sqf.alias)
+		return fmt.Sprintf("`%s`.`%s` AS `%s`", sqf.query.alias, sqf.field.Name(), sqf.alias)
 	} else {
-		return fmt.Sprintf("%s.%s", sqf.query.alias, sqf.field.Name())
+		return fmt.Sprintf("`%s`.`%s`", sqf.query.alias, sqf.field.Name())
 	}
 }
 
diff --git a/vendor/yunion.io/x/sqlchemy/update.go b/vendor/yunion.io/x/sqlchemy/update.go
index 700210325b..a122da432a 100644
--- a/vendor/yunion.io/x/sqlchemy/update.go
+++ b/vendor/yunion.io/x/sqlchemy/update.go
@@ -105,7 +105,7 @@ func (us *SUpdateSession) saveUpdate(dt interface{}) (UpdateDiffs, error) {
 		nf, _ := fields.GetInterface(k)
 		if c.IsPrimary() {
 			if !gotypes.IsNil(of) && !c.IsZero(of) {
-				primaries[k] = of
+				primaries[k] = c.ConvertFromValue(of)
 			} else if c.IsText() {
 				primaries[k] = ""
 			} else {
@@ -113,12 +113,6 @@ func (us *SUpdateSession) saveUpdate(dt interface{}) (UpdateDiffs, error) {
 			}
 			continue
 		}
-		if !gotypes.IsNil(of) {
-			if c.IsPrimary() && !c.IsZero(of) { // skip update primary key
-				primaries[k] = of
-				continue
-			}
-		}
 		nc, ok := c.(*SIntegerColumn)
 		if ok && nc.IsAutoVersion {
 			versionFields = append(versionFields, k)