diff --git a/build.rs b/build.rs
index 7a80c1a..0894778 100644
--- a/build.rs
+++ b/build.rs
@@ -34,6 +34,7 @@ static TARGETS: Lazy<HashMap<&str, Vec<&str>>> = Lazy::new(|| {
     vec![
       "./proto/models/core/network.proto",
       "./proto/models/bank.proto",
+      "./proto/models/member_balance.proto",
       "./proto/models/member_bank_account.proto",
       "./proto/models/member_bank_deposit.proto",
       "./proto/models/member_bank_withdraw.proto",
@@ -61,6 +62,7 @@ static TARGETS: Lazy<HashMap<&str, Vec<&str>>> = Lazy::new(|| {
     vec![
       "./proto/c2se/bank.proto",
       "./proto/c2se/identity.proto",
+      "./proto/c2se/member_balance.proto",
       "./proto/c2se/member_bank_account.proto",
       "./proto/c2se/member_bank_deposit.proto",
       "./proto/c2se/member_bank_withdraw.proto",
@@ -77,6 +79,7 @@ static TARGETS: Lazy<HashMap<&str, Vec<&str>>> = Lazy::new(|| {
       "./proto/c2se/api/betting.proto",
       "./proto/c2se/backend/bank.proto",
       "./proto/c2se/backend/identity.proto",
+      "./proto/c2se/backend/member_balance.proto",
       "./proto/c2se/backend/member_bank_account.proto",
       "./proto/c2se/backend/member_bank_deposit.proto",
       "./proto/c2se/backend/member_bank_withdraw.proto",
@@ -92,6 +95,7 @@ static TARGETS: Lazy<HashMap<&str, Vec<&str>>> = Lazy::new(|| {
       "./proto/c2se/backend/api/betting.proto",
       "./proto/c2se/frontend/bank.proto",
       "./proto/c2se/frontend/identity.proto",
+      "./proto/c2se/frontend/member_balance.proto",
       "./proto/c2se/frontend/member_bank_account.proto",
       "./proto/c2se/frontend/member_bank_deposit.proto",
       "./proto/c2se/frontend/member_bank_withdraw.proto",
@@ -107,6 +111,7 @@ static TARGETS: Lazy<HashMap<&str, Vec<&str>>> = Lazy::new(|| {
     vec![
       "./proto/ss/bank.proto",
       "./proto/ss/identity.proto",
+      "./proto/ss/member_balance.proto",
       "./proto/ss/member_bank_account.proto",
       "./proto/ss/member_bank_deposit.proto",
       "./proto/ss/member_bank_withdraw.proto",
diff --git a/proto/c2se/backend/member_balance.proto b/proto/c2se/backend/member_balance.proto
new file mode 100644
index 0000000..0de87cc
--- /dev/null
+++ b/proto/c2se/backend/member_balance.proto
@@ -0,0 +1,9 @@
+syntax = "proto3";
+
+package bet.beteran.c2se.backend.member_balance;
+
+// subject = bet.beteran.c2se.backend.member_balance.CreateMemberBalance
+// subject = bet.beteran.c2se.backend.member_balance.ListMemberBalances
+// subject = bet.beteran.c2se.backend.member_balance.GetMemberBalance
+// subject = bet.beteran.c2se.backend.member_balance.UpdateMemberBalance
+// subject = bet.beteran.c2se.backend.member_balance.DeleteMemberBalance
diff --git a/proto/c2se/frontend/member_balance.proto b/proto/c2se/frontend/member_balance.proto
new file mode 100644
index 0000000..9fd1679
--- /dev/null
+++ b/proto/c2se/frontend/member_balance.proto
@@ -0,0 +1,7 @@
+syntax = "proto3";
+
+package bet.beteran.c2se.frontend.member_balance;
+
+// subject = bet.beteran.c2se.frontend.member_balance.CreateMemberBalance
+// subject = bet.beteran.c2se.frontend.member_balance.GetMemberBalance
+// subject = bet.beteran.c2se.frontend.member_balance.UpdateMemberBalance
diff --git a/proto/c2se/member_balance.proto b/proto/c2se/member_balance.proto
new file mode 100644
index 0000000..a180ca4
--- /dev/null
+++ b/proto/c2se/member_balance.proto
@@ -0,0 +1,77 @@
+syntax = "proto3";
+
+package bet.beteran.c2se.member_balance;
+
+import "protobuf/rpc.proto";
+import "protobuf/pagination.proto";
+
+import "models/member_balance.proto";
+
+message CreateMemberBalanceRequest {
+  string member_id = 1;
+}
+
+message CreateMemberBalanceResponse {
+  message Result {
+    bet.beteran.member_balance.MemberBalance member_balance = 1;
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+message ListMemberBalancesRequest {
+  message Search {
+    optional string member_id = 1;
+  }
+  optional bet.protobuf.pagination.Pagination pagination = 1;
+  repeated bet.protobuf.pagination.Sort sorts = 2;
+  optional Search search = 3;
+}
+
+message ListMemberBalancesResponse {
+  message Result {
+    uint64 total_count = 1;
+    repeated bet.beteran.member_balance.MemberBalance member_balances = 2;
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+message GetMemberBalanceRequest {
+  string id = 1;
+}
+
+message GetMemberBalanceResponse {
+  message Result {
+    bet.beteran.member_balance.MemberBalance member_balance = 1;
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+message UpdateMemberBalanceRequest {
+  string id = 1;
+  double balance = 2;
+  double balance_bota = 3;
+  double balance_sum = 4;
+}
+
+message UpdateMemberBalanceResponse {
+  message Result {
+    bet.beteran.member_balance.MemberBalance member_balance = 1;
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+
+message DeleteMemberBalanceRequest {
+  string id = 1;
+}
+
+message DeleteMemberBalanceResponse {
+  message Result {
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
diff --git a/proto/models/member.proto b/proto/models/member.proto
index 016122e..b4282e4 100644
--- a/proto/models/member.proto
+++ b/proto/models/member.proto
@@ -9,6 +9,7 @@ import "models/member_class.proto";
 import "models/member_level.proto";
 import "models/member_game_setting.proto";
 import "models/member_settlement_setting.proto";
+import "models/member_balance.proto";
 
 
 enum MemberState {
@@ -48,17 +49,19 @@ message MemberModel {
   optional bet.beteran.member_bank_account.MemberBankAccountModel bank_account = 5;
   optional MemberModel parent_member = 6;
   uint64 child_member_count = 7;
-  string username = 8;
-  string nickname = 9;
-  optional string mobile_phone_number = 10;
-  MemberState state = 11;
-  optional uint64 state_changed_at = 12;
-  optional bet.beteran.member_game_setting.MemberGameSetting member_game_setting = 13;
-  optional bet.beteran.member_settlement_setting.MemberSettlementSetting member_settlement_setting = 14;
-  optional string last_signined_ip = 15;
-  optional uint64 last_signined_at = 16;
-  uint64 created_at = 17;
-  uint64 updated_at = 18;
-  optional uint64 deleted_at = 19;
+  repeated uint64 children_count = 8;
+  string username = 9;
+  string nickname = 10;
+  optional string mobile_phone_number = 11;
+  MemberState state = 12;
+  optional uint64 state_changed_at = 13;
+  optional bet.beteran.member_game_setting.MemberGameSetting member_game_setting = 14;
+  optional bet.beteran.member_settlement_setting.MemberSettlementSetting member_settlement_setting = 15;
+  optional bet.beteran.member_balance.MemberBalance member_balance = 16;
+  optional string last_signined_ip = 17;
+  optional uint64 last_signined_at = 18;
+  uint64 created_at = 19;
+  uint64 updated_at = 20;
+  optional uint64 deleted_at = 21;
 }
 
diff --git a/proto/models/member_balance.proto b/proto/models/member_balance.proto
new file mode 100644
index 0000000..68a0eb7
--- /dev/null
+++ b/proto/models/member_balance.proto
@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+package bet.beteran.member_balance;
+
+message MemberBalance {
+  string id = 1;
+  string member_id = 2;
+  double balance = 3;
+  double balance_bota = 4;
+  double balance_sum = 5;
+  uint64 created_at = 6;
+  uint64 updated_at = 7;
+}
diff --git a/proto/ss/member_balance.proto b/proto/ss/member_balance.proto
new file mode 100644
index 0000000..de2de8d
--- /dev/null
+++ b/proto/ss/member_balance.proto
@@ -0,0 +1,115 @@
+syntax = "proto3";
+
+package bet.beteran.ss.member_balance;
+
+import "models/core/network.proto";
+import "protobuf/rpc.proto";
+import "protobuf/pagination.proto";
+import "models/member_balance.proto";
+
+// subject = bet.beteran.ss.member_balance.CreateMemberBalance
+message CreateMemberBalanceRequest {
+  message Request {
+    string member_id = 1;
+  }
+  bet.beteran.core.network.Client client = 1;
+  Request request = 2;
+}
+
+message CreateMemberBalanceResponse {
+  message Result {
+    bet.beteran.member_balance.MemberBalance member_balance = 1;
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+// subject = bet.beteran.ss.member_balance.ListMemberBalances
+message ListMemberBalancesRequest {
+  message Request {
+    message Search {
+      optional string member_id = 1;
+    }
+    optional bet.protobuf.pagination.Pagination pagination = 1;
+    repeated bet.protobuf.pagination.Sort sorts = 2;
+    optional Search search = 3;  
+  }
+  bet.beteran.core.network.Client client = 1;
+  Request request = 2;
+}
+
+message ListMemberBalancesResponse {
+  message Result {
+    uint64 total_count = 1;
+    repeated bet.beteran.member_balance.MemberBalance member_balances = 2;
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+// subject = bet.beteran.ss.member_balance.GetMemberBalance
+message GetMemberBalanceRequest {
+  message Request {
+    string id = 1;
+  }
+  bet.beteran.core.network.Client client = 1;
+  Request request = 2;
+}
+
+message GetMemberBalanceResponse {
+  message Result {
+    bet.beteran.member_balance.MemberBalance member_balance = 1;
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+// subject = bet.beteran.ss.member_balance.UpdateMemberBalance
+message UpdateMemberBalanceRequest {
+  message Request {
+    string id = 1;
+    double balance = 2;
+    double balance_bota = 3;
+    double balance_sum = 4;
+  
+  }
+  bet.beteran.core.network.Client client = 1;
+  Request request = 2;
+}
+
+message UpdateMemberBalanceResponse {
+  message Result {
+    bet.beteran.member_balance.MemberBalance member_balance = 1;
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+
+// subject = bet.beteran.ss.member_balance.DeleteMemberBalance
+message DeleteMemberBalanceRequest {
+  message Request {
+    string id = 1;
+  }
+  bet.beteran.core.network.Client client = 1;
+  Request request = 2;
+}
+
+message DeleteMemberBalanceResponse {
+  message Result {
+  }
+  optional bet.protobuf.rpc.Error error = 1;
+  optional Result result = 2;
+}
+
+// subject = bet.beteran.ss_event.member_balance.AfterUpdateMemberBalance
+message AfterUpdateMemberBalanceEvent {
+  message Event {
+    string member_id = 1;
+    double balance = 2;
+    double balance_bota = 3;
+    double balance_sum = 4;
+  }
+  bet.beteran.core.network.Client client = 1;
+  Event event = 2;
+}