diff --git a/weed/filer/s3iam_conf.go b/weed/filer/s3iam_conf.go
index ce662b969..ea5b1a040 100644
--- a/weed/filer/s3iam_conf.go
+++ b/weed/filer/s3iam_conf.go
@@ -10,7 +10,11 @@ import (
 )
 
 func ParseS3ConfigurationFromBytes[T proto.Message](content []byte, config T) error {
-	if err := jsonpb.Unmarshal(content, config); err != nil {
+	options := &jsonpb.UnmarshalOptions{
+		DiscardUnknown: true,
+		AllowPartial:   true,
+	}
+	if err := options.Unmarshal(content, config); err != nil {
 		return err
 	}
 	return nil
diff --git a/weed/pb/iam.proto b/weed/pb/iam.proto
index 1703f2c2b..1a6027292 100644
--- a/weed/pb/iam.proto
+++ b/weed/pb/iam.proto
@@ -22,6 +22,7 @@ message Identity {
     string name = 1;
     repeated Credential credentials = 2;
     repeated string actions = 3;
+    string accountId = 4;
 }
 
 message Credential {
diff --git a/weed/pb/iam_pb/iam.pb.go b/weed/pb/iam_pb/iam.pb.go
index 9f0c2184d..b6696d18c 100644
--- a/weed/pb/iam_pb/iam.pb.go
+++ b/weed/pb/iam_pb/iam.pb.go
@@ -75,6 +75,7 @@ type Identity struct {
 	Name        string        `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
 	Credentials []*Credential `protobuf:"bytes,2,rep,name=credentials,proto3" json:"credentials,omitempty"`
 	Actions     []string      `protobuf:"bytes,3,rep,name=actions,proto3" json:"actions,omitempty"`
+	AccountId   string        `protobuf:"bytes,4,opt,name=accountId,proto3" json:"accountId,omitempty"`
 }
 
 func (x *Identity) Reset() {
@@ -130,6 +131,13 @@ func (x *Identity) GetActions() []string {
 	return nil
 }
 
+func (x *Identity) GetAccountId() string {
+	if x != nil {
+		return x.AccountId
+	}
+	return ""
+}
+
 type Credential struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -193,26 +201,28 @@ var file_iam_proto_rawDesc = []byte{
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 }
 
 var (