diff --git a/auth.pb.go b/auth.pb.go
index 17e10aa4296..241c305ade0 100644
--- a/auth.pb.go
+++ b/auth.pb.go
@@ -1017,7 +1017,7 @@ type ListObjectsReq struct {
 	Object          string `protobuf:"bytes,7,opt,name=object,proto3" json:"object,omitempty"`
 	ObjectType      string `protobuf:"bytes,8,opt,name=object_type,json=objectType,proto3" json:"object_type,omitempty"`
 	NextPageToken   string `protobuf:"bytes,9,opt,name=nextPageToken,proto3" json:"nextPageToken,omitempty"`
-	Limit           uint64  `protobuf:"varint,10,opt,name=limit,proto3" json:"limit,omitempty"`
+	Limit           uint64 `protobuf:"varint,10,opt,name=limit,proto3" json:"limit,omitempty"`
 }
 
 func (x *ListObjectsReq) Reset() {
@@ -1349,7 +1349,7 @@ type ListSubjectsReq struct {
 	Object          string `protobuf:"bytes,7,opt,name=object,proto3" json:"object,omitempty"`
 	ObjectType      string `protobuf:"bytes,8,opt,name=object_type,json=objectType,proto3" json:"object_type,omitempty"`
 	NextPageToken   string `protobuf:"bytes,9,opt,name=nextPageToken,proto3" json:"nextPageToken,omitempty"`
-	Limit           uint64  `protobuf:"varint,10,opt,name=limit,proto3" json:"limit,omitempty"`
+	Limit           uint64 `protobuf:"varint,10,opt,name=limit,proto3" json:"limit,omitempty"`
 }
 
 func (x *ListSubjectsReq) Reset() {
@@ -1882,7 +1882,7 @@ var file_auth_proto_rawDesc = []byte{
 	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x75, 0x73, 0x65, 0x72, 0x49, 0x64, 0x12, 0x20, 0x0a,
 	0x09, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x5f, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
 	0x48, 0x00, 0x52, 0x08, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x49, 0x64, 0x88, 0x01, 0x01, 0x12,
-	0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x04, 0x74,
+	0x12, 0x0a, 0x04, 0x74, 0x79, 0x70, 0x65, 0x18, 0x03, 0x20, 0x01, 0x28, 0x04, 0x52, 0x04, 0x74,
 	0x79, 0x70, 0x65, 0x42, 0x0c, 0x0a, 0x0a, 0x5f, 0x64, 0x6f, 0x6d, 0x61, 0x69, 0x6e, 0x5f, 0x69,
 	0x64, 0x22, 0x61, 0x0a, 0x0a, 0x52, 0x65, 0x66, 0x72, 0x65, 0x73, 0x68, 0x52, 0x65, 0x71, 0x12,
 	0x23, 0x0a, 0x0d, 0x72, 0x65, 0x66, 0x72, 0x65, 0x73, 0x68, 0x5f, 0x74, 0x6f, 0x6b, 0x65, 0x6e,
@@ -1995,7 +1995,7 @@ var file_auth_proto_rawDesc = []byte{
 	0x6f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x54, 0x79, 0x70, 0x65, 0x12, 0x24, 0x0a, 0x0d, 0x6e, 0x65,
 	0x78, 0x74, 0x50, 0x61, 0x67, 0x65, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x18, 0x09, 0x20, 0x01, 0x28,
 	0x09, 0x52, 0x0d, 0x6e, 0x65, 0x78, 0x74, 0x50, 0x61, 0x67, 0x65, 0x54, 0x6f, 0x6b, 0x65, 0x6e,
-	0x12, 0x14, 0x0a, 0x05, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x05, 0x52,
+	0x12, 0x14, 0x0a, 0x05, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x04, 0x52,
 	0x05, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x22, 0x52, 0x0a, 0x0e, 0x4c, 0x69, 0x73, 0x74, 0x4f, 0x62,
 	0x6a, 0x65, 0x63, 0x74, 0x73, 0x52, 0x65, 0x73, 0x12, 0x1a, 0x0a, 0x08, 0x70, 0x6f, 0x6c, 0x69,
 	0x63, 0x69, 0x65, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x09, 0x52, 0x08, 0x70, 0x6f, 0x6c, 0x69,
@@ -2042,7 +2042,7 @@ var file_auth_proto_rawDesc = []byte{
 	0x0a, 0x6f, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x54, 0x79, 0x70, 0x65, 0x12, 0x24, 0x0a, 0x0d, 0x6e,
 	0x65, 0x78, 0x74, 0x50, 0x61, 0x67, 0x65, 0x54, 0x6f, 0x6b, 0x65, 0x6e, 0x18, 0x09, 0x20, 0x01,
 	0x28, 0x09, 0x52, 0x0d, 0x6e, 0x65, 0x78, 0x74, 0x50, 0x61, 0x67, 0x65, 0x54, 0x6f, 0x6b, 0x65,
-	0x6e, 0x12, 0x14, 0x0a, 0x05, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x05,
+	0x6e, 0x12, 0x14, 0x0a, 0x05, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x18, 0x0a, 0x20, 0x01, 0x28, 0x04,
 	0x52, 0x05, 0x6c, 0x69, 0x6d, 0x69, 0x74, 0x22, 0x53, 0x0a, 0x0f, 0x4c, 0x69, 0x73, 0x74, 0x53,
 	0x75, 0x62, 0x6a, 0x65, 0x63, 0x74, 0x73, 0x52, 0x65, 0x73, 0x12, 0x1a, 0x0a, 0x08, 0x70, 0x6f,
 	0x6c, 0x69, 0x63, 0x69, 0x65, 0x73, 0x18, 0x01, 0x20, 0x03, 0x28, 0x09, 0x52, 0x08, 0x70, 0x6f,
diff --git a/auth.proto b/auth.proto
index 6cd0b1c44bd..6115b9e4400 100644
--- a/auth.proto
+++ b/auth.proto
@@ -56,7 +56,7 @@ message IdentityRes {
 message IssueReq {
   string user_id = 1;
   optional string domain_id = 2;
-  uint32 type = 3; 
+  uint64 type = 3; 
 }
 
 message RefreshReq {
@@ -133,7 +133,7 @@ message ListObjectsReq {
   string object = 7;
   string object_type = 8;
   string nextPageToken = 9;
-  int32 limit = 10;
+  uint64 limit = 10;
 }
 
 message ListObjectsRes {
@@ -165,7 +165,7 @@ message ListSubjectsReq {
   string object = 7;
   string object_type = 8;
   string nextPageToken = 9;
-  int32 limit = 10;
+  uint64 limit = 10;
 }
 
 message ListSubjectsRes {