diff --git a/api/api.proto b/api/api.proto
index 70297d095..d23d6e017 100644
--- a/api/api.proto
+++ b/api/api.proto
@@ -281,6 +281,9 @@ service Wallet {
   rpc UnDelegateResource (UnDelegateResourceContract) returns (TransactionExtention) {
   }
 
+  rpc CancelAllUnfreezeV2 (CancelAllUnfreezeV2Contract) returns (TransactionExtention) {
+  }
+
   //Please use UpdateAsset2 instead of this function.
   rpc UpdateAsset (UpdateAssetContract) returns (Transaction) {
     option (google.api.http) = {
diff --git a/core/Tron.proto b/core/Tron.proto
index e5145484f..f52c21162 100644
--- a/core/Tron.proto
+++ b/core/Tron.proto
@@ -374,6 +374,7 @@ message Transaction {
       WithdrawExpireUnfreezeContract = 56;
       DelegateResourceContract = 57;
       UnDelegateResourceContract = 58;
+      CancelAllUnfreezeV2Contract = 59;
     }
     ContractType type = 1;
     google.protobuf.Any parameter = 2;
@@ -422,6 +423,7 @@ message Transaction {
     bytes orderId = 25;
     repeated MarketOrderDetail orderDetails = 26;
     int64 withdraw_expire_amount = 27;
+    int64 cancel_all_unfreezeV2_amount = 28;
   }
 
   message raw {
@@ -482,6 +484,7 @@ message TransactionInfo {
   int64 packingFee = 27;
 
   int64 withdraw_expire_amount = 28;
+  int64 cancel_all_unfreezeV2_amount = 29;
 }
 
 message TransactionRet {
diff --git a/core/contract/balance_contract.proto b/core/contract/balance_contract.proto
index 90a2dfaa4..ea1c96270 100644
--- a/core/contract/balance_contract.proto
+++ b/core/contract/balance_contract.proto
@@ -103,6 +103,7 @@ message DelegateResourceContract {
   int64 balance = 3;
   bytes receiver_address = 4;
   bool  lock = 5;
+  int64 lock_period = 6;
 }
 
 message UnDelegateResourceContract {
@@ -110,4 +111,8 @@ message UnDelegateResourceContract {
   ResourceCode resource = 2;
   int64 balance = 3;
   bytes receiver_address = 4;
+}
+
+message CancelAllUnfreezeV2Contract {
+  bytes owner_address = 1;
 }
\ No newline at end of file