diff --git a/docs/openapiv2/bdware/bdledger/api/ledger.swagger.json b/docs/openapiv2/bdware/bdledger/api/ledger.swagger.json
index 445b66d..c783591 100644
--- a/docs/openapiv2/bdware/bdledger/api/ledger.swagger.json
+++ b/docs/openapiv2/bdware/bdledger/api/ledger.swagger.json
@@ -91,6 +91,7 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "Ledger name\n账本名称",
             "in": "path",
             "required": true,
             "type": "string"
@@ -115,7 +116,8 @@
       "type": "object",
       "properties": {
         "name": {
-          "type": "string"
+          "type": "string",
+          "title": "Ledger name\n账本名称"
         }
       }
     },
@@ -123,7 +125,8 @@
       "type": "object",
       "properties": {
         "ok": {
-          "type": "boolean"
+          "type": "boolean",
+          "title": "Boolean value indicating if the ledger is successfully created\n是否创建成功"
         }
       }
     },
@@ -134,7 +137,8 @@
           "type": "array",
           "items": {
             "type": "string"
-          }
+          },
+          "title": "List of ledger names\n帐本名称列表"
         }
       }
     },
@@ -142,10 +146,12 @@
       "type": "object",
       "properties": {
         "ledger": {
-          "type": "string"
+          "type": "string",
+          "title": "Ledger name\n账本名称"
         },
         "transaction": {
-          "$ref": "#/definitions/apiSendTransactionRequestTransaction"
+          "$ref": "#/definitions/apiSendTransactionRequestTransaction",
+          "title": "Transaction info\n事务信息"
         }
       }
     },
@@ -178,7 +184,8 @@
       "properties": {
         "hash": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "Hash of the created transaction\n事务哈希"
         }
       }
     },
diff --git a/docs/openapiv2/bdware/bdledger/api/node.swagger.json b/docs/openapiv2/bdware/bdledger/api/node.swagger.json
index 1e8eb46..05afed3 100644
--- a/docs/openapiv2/bdware/bdledger/api/node.swagger.json
+++ b/docs/openapiv2/bdware/bdledger/api/node.swagger.json
@@ -45,7 +45,8 @@
       "type": "object",
       "properties": {
         "version": {
-          "type": "string"
+          "type": "string",
+          "title": "Client version\n节点客户端版本"
         }
       }
     },
diff --git a/docs/openapiv2/bdware/bdledger/api/query.swagger.json b/docs/openapiv2/bdware/bdledger/api/query.swagger.json
index 232a6dd..bba4761 100644
--- a/docs/openapiv2/bdware/bdledger/api/query.swagger.json
+++ b/docs/openapiv2/bdware/bdledger/api/query.swagger.json
@@ -208,6 +208,13 @@
             "required": true,
             "type": "string"
           },
+          {
+            "name": "offset",
+            "in": "query",
+            "required": false,
+            "type": "string",
+            "format": "int64"
+          },
           {
             "name": "count",
             "in": "query",
@@ -422,7 +429,8 @@
           "type": "string",
           "format": "int64"
         }
-      }
+      },
+      "title": "*\n暂不支持"
     },
     "apiBlocksRequest": {
       "type": "object",
@@ -552,7 +560,8 @@
         "HASH",
         "FULL"
       ],
-      "default": "NONE"
+      "default": "NONE",
+      "title": "*\n包含事务信息详细程度"
     },
     "apiTransactionFilter": {
       "type": "object",
diff --git a/grpc/pb/bdware/bdledger/api/query.proto b/grpc/pb/bdware/bdledger/api/query.proto
index 1b12c07..d7e6872 100644
--- a/grpc/pb/bdware/bdledger/api/query.proto
+++ b/grpc/pb/bdware/bdledger/api/query.proto
@@ -122,8 +122,9 @@ message CountBlocksResponse {
 
 message RecentBlocksRequest {
   string ledger = 1; // 账本名称
-  int64 count = 2;   // 查询区块数量
-  IncludeTransactions include_transactions = 3; // 包含事务信息详细程度
+  int64 offset = 2;  // 起始值
+  int64 count = 3;   // 查询区块数量
+  IncludeTransactions include_transactions = 4; // 包含事务信息详细程度
 }
 
 message GetTransactionByHashRequest {