diff --git a/docs/openapiv2/bdware/bdledger/api/common.swagger.json b/docs/openapiv2/bdware/bdledger/api/common.swagger.json
index 3a72efa..cbb76fc 100644
--- a/docs/openapiv2/bdware/bdledger/api/common.swagger.json
+++ b/docs/openapiv2/bdware/bdledger/api/common.swagger.json
@@ -15,14 +15,11 @@
     "protobufAny": {
       "type": "object",
       "properties": {
-        "typeUrl": {
+        "@type": {
           "type": "string"
-        },
-        "value": {
-          "type": "string",
-          "format": "byte"
         }
-      }
+      },
+      "additionalProperties": {}
     },
     "rpcStatus": {
       "type": "object",
diff --git a/docs/openapiv2/bdware/bdledger/api/error_details.swagger.json b/docs/openapiv2/bdware/bdledger/api/error_details.swagger.json
index 48033c8..9b051da 100644
--- a/docs/openapiv2/bdware/bdledger/api/error_details.swagger.json
+++ b/docs/openapiv2/bdware/bdledger/api/error_details.swagger.json
@@ -15,14 +15,11 @@
     "protobufAny": {
       "type": "object",
       "properties": {
-        "typeUrl": {
+        "@type": {
           "type": "string"
-        },
-        "value": {
-          "type": "string",
-          "format": "byte"
         }
-      }
+      },
+      "additionalProperties": {}
     },
     "rpcStatus": {
       "type": "object",
diff --git a/docs/openapiv2/bdware/bdledger/api/ledger.swagger.json b/docs/openapiv2/bdware/bdledger/api/ledger.swagger.json
index c783591..7d63ef1 100644
--- a/docs/openapiv2/bdware/bdledger/api/ledger.swagger.json
+++ b/docs/openapiv2/bdware/bdledger/api/ledger.swagger.json
@@ -101,7 +101,13 @@
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/apiSendTransactionRequest"
+              "type": "object",
+              "properties": {
+                "transaction": {
+                  "$ref": "#/definitions/apiSendTransactionRequestTransaction",
+                  "title": "Transaction info\n事务信息"
+                }
+              }
             }
           }
         ],
@@ -142,40 +148,32 @@
         }
       }
     },
-    "apiSendTransactionRequest": {
-      "type": "object",
-      "properties": {
-        "ledger": {
-          "type": "string",
-          "title": "Ledger name\n账本名称"
-        },
-        "transaction": {
-          "$ref": "#/definitions/apiSendTransactionRequestTransaction",
-          "title": "Transaction info\n事务信息"
-        }
-      }
-    },
     "apiSendTransactionRequestTransaction": {
       "type": "object",
       "properties": {
         "type": {
-          "$ref": "#/definitions/apiTransactionType"
+          "$ref": "#/definitions/apiTransactionType",
+          "title": "事务类型，目前仅支持通用数据记录，即type为RECORD (0)"
         },
         "from": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "任意20字节的地址，用于区分使用同一节点的事务发起者"
         },
         "nonce": {
           "type": "string",
-          "format": "uint64"
+          "format": "uint64",
+          "title": "正整数，同一from每个nonce应只使用一次，防止重复的事务（可以每次发送事务+1）"
         },
         "to": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "对于通用数据记录不需传递，无意义"
         },
         "data": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "事务数据内容，字节数组"
         }
       }
     },
@@ -199,19 +197,17 @@
         "CONTRACT_STATUS"
       ],
       "default": "RECORD",
+      "description": "- RECORD: 通用数据记录\n - MESSAGE: 消息\n - CONTRACT_CREATION: 合约创建\n - CONTRACT_INVOCATION: 合约调用\n - CONTRACT_STATUS: 合约状态",
       "title": "事务类型"
     },
     "protobufAny": {
       "type": "object",
       "properties": {
-        "typeUrl": {
+        "@type": {
           "type": "string"
-        },
-        "value": {
-          "type": "string",
-          "format": "byte"
         }
-      }
+      },
+      "additionalProperties": {}
     },
     "rpcStatus": {
       "type": "object",
diff --git a/docs/openapiv2/bdware/bdledger/api/node.swagger.json b/docs/openapiv2/bdware/bdledger/api/node.swagger.json
index 05afed3..9cf3775 100644
--- a/docs/openapiv2/bdware/bdledger/api/node.swagger.json
+++ b/docs/openapiv2/bdware/bdledger/api/node.swagger.json
@@ -53,14 +53,11 @@
     "protobufAny": {
       "type": "object",
       "properties": {
-        "typeUrl": {
+        "@type": {
           "type": "string"
-        },
-        "value": {
-          "type": "string",
-          "format": "byte"
         }
-      }
+      },
+      "additionalProperties": {}
     },
     "rpcStatus": {
       "type": "object",
diff --git a/docs/openapiv2/bdware/bdledger/api/query.swagger.json b/docs/openapiv2/bdware/bdledger/api/query.swagger.json
index bba4761..aa402d5 100644
--- a/docs/openapiv2/bdware/bdledger/api/query.swagger.json
+++ b/docs/openapiv2/bdware/bdledger/api/query.swagger.json
@@ -37,12 +37,14 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "账本名称",
             "in": "path",
             "required": true,
             "type": "string"
           },
           {
             "name": "hash",
+            "description": "区块哈希",
             "in": "query",
             "required": false,
             "type": "string",
@@ -50,6 +52,7 @@
           },
           {
             "name": "fullTransactions",
+            "description": "是否返回完整事务列表，而不是事务哈希列表",
             "in": "query",
             "required": false,
             "type": "boolean"
@@ -81,12 +84,14 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "账本名称",
             "in": "path",
             "required": true,
             "type": "string"
           },
           {
             "name": "blockHash",
+            "description": "事务所属区块哈希",
             "in": "query",
             "required": false,
             "type": "string",
@@ -94,6 +99,7 @@
           },
           {
             "name": "index",
+            "description": "事务在区块中的位置",
             "in": "query",
             "required": false,
             "type": "integer",
@@ -126,6 +132,7 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "账本名称",
             "in": "path",
             "required": true,
             "type": "string"
@@ -135,7 +142,30 @@
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/apiBlocksRequest"
+              "type": "object",
+              "properties": {
+                "startTimestamp": {
+                  "type": "string",
+                  "format": "int64",
+                  "title": "查询范围开始时间戳"
+                },
+                "endTimestamp": {
+                  "type": "string",
+                  "format": "int64",
+                  "title": "查询范围结束时间戳"
+                },
+                "filters": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/definitions/apiBlockFilter"
+                  },
+                  "title": "暂不支持"
+                },
+                "includeTransactions": {
+                  "$ref": "#/definitions/apiIncludeTransactions",
+                  "title": "包含事务信息详细程度"
+                }
+              }
             }
           }
         ],
@@ -165,6 +195,7 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "账本名称",
             "in": "path",
             "required": true,
             "type": "string"
@@ -174,7 +205,30 @@
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/apiBlocksRequest"
+              "type": "object",
+              "properties": {
+                "startTimestamp": {
+                  "type": "string",
+                  "format": "int64",
+                  "title": "查询范围开始时间戳"
+                },
+                "endTimestamp": {
+                  "type": "string",
+                  "format": "int64",
+                  "title": "查询范围结束时间戳"
+                },
+                "filters": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/definitions/apiBlockFilter"
+                  },
+                  "title": "暂不支持"
+                },
+                "includeTransactions": {
+                  "$ref": "#/definitions/apiIncludeTransactions",
+                  "title": "包含事务信息详细程度"
+                }
+              }
             }
           }
         ],
@@ -204,12 +258,14 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "账本名称",
             "in": "path",
             "required": true,
             "type": "string"
           },
           {
             "name": "offset",
+            "description": "起始值",
             "in": "query",
             "required": false,
             "type": "string",
@@ -217,6 +273,7 @@
           },
           {
             "name": "count",
+            "description": "查询区块数量",
             "in": "query",
             "required": false,
             "type": "string",
@@ -224,6 +281,7 @@
           },
           {
             "name": "includeTransactions",
+            "description": "包含事务信息详细程度\n\n - NONE: 不包含事务数据\n - HASH: 包含事务哈希列表\n - FULL: 包含完整事务列表",
             "in": "query",
             "required": false,
             "type": "string",
@@ -261,12 +319,14 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "账本名称",
             "in": "path",
             "required": true,
             "type": "string"
           },
           {
             "name": "hash",
+            "description": "事务哈希",
             "in": "query",
             "required": false,
             "type": "string",
@@ -299,6 +359,7 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "账本名称",
             "in": "path",
             "required": true,
             "type": "string"
@@ -308,7 +369,26 @@
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/apiTransactionsRequest"
+              "type": "object",
+              "properties": {
+                "startTimestamp": {
+                  "type": "string",
+                  "format": "int64",
+                  "title": "查询范围开始时间戳"
+                },
+                "endTimestamp": {
+                  "type": "string",
+                  "format": "int64",
+                  "title": "查询范围结束时间戳"
+                },
+                "filters": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/definitions/apiTransactionFilter"
+                  },
+                  "title": "暂不支持"
+                }
+              }
             }
           }
         ],
@@ -338,6 +418,7 @@
         "parameters": [
           {
             "name": "ledger",
+            "description": "账本名称",
             "in": "path",
             "required": true,
             "type": "string"
@@ -347,7 +428,26 @@
             "in": "body",
             "required": true,
             "schema": {
-              "$ref": "#/definitions/apiTransactionsRequest"
+              "type": "object",
+              "properties": {
+                "startTimestamp": {
+                  "type": "string",
+                  "format": "int64",
+                  "title": "查询范围开始时间戳"
+                },
+                "endTimestamp": {
+                  "type": "string",
+                  "format": "int64",
+                  "title": "查询范围结束时间戳"
+                },
+                "filters": {
+                  "type": "array",
+                  "items": {
+                    "$ref": "#/definitions/apiTransactionFilter"
+                  },
+                  "title": "暂不支持"
+                }
+              }
             }
           }
         ],
@@ -363,58 +463,79 @@
       "properties": {
         "hash": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "区块的哈希，当区块处于待确认状态时为`null`"
         },
         "creator": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "产块者账户地址"
         },
         "nonce": {
           "type": "string",
-          "format": "uint64"
+          "format": "uint64",
+          "title": "这个区块之前产块者产生的区块数量"
         },
         "parentHashes": {
           "type": "array",
           "items": {
             "type": "string",
             "format": "byte"
-          }
+          },
+          "title": "父区块的哈希"
         },
         "witnesses": {
           "type": "array",
           "items": {
             "type": "string",
             "format": "byte"
-          }
+          },
+          "title": "见证者账户地址"
         },
         "timestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "区块产生时的 UNIX 时间戳，单位为秒"
         },
         "size": {
           "type": "string",
-          "format": "uint64"
+          "format": "uint64",
+          "title": "区块大小的字节数"
         },
         "transactionCount": {
           "type": "integer",
-          "format": "int64"
+          "format": "int64",
+          "title": "区块包含的事务数量"
         },
         "transactionsRoot": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "区块的事务默克尔树根"
         },
         "transactions": {
           "type": "array",
           "items": {
             "$ref": "#/definitions/bdledgerapiTransaction"
-          }
+          },
+          "title": "事务对象的数组，或为空"
         },
         "transactionHashes": {
           "type": "array",
           "items": {
             "type": "string",
             "format": "byte"
-          }
+          },
+          "title": "20字节的事务哈希的数组，或为空"
+        },
+        "creatorSignature": {
+          "type": "string",
+          "format": "byte",
+          "title": "产块者签名"
+        },
+        "witnessSignatures": {
+          "type": "string",
+          "format": "byte",
+          "title": "见证者签名"
         }
       }
     },
@@ -432,45 +553,23 @@
       },
       "title": "*\n暂不支持"
     },
-    "apiBlocksRequest": {
-      "type": "object",
-      "properties": {
-        "ledger": {
-          "type": "string"
-        },
-        "startTimestamp": {
-          "type": "string",
-          "format": "int64"
-        },
-        "endTimestamp": {
-          "type": "string",
-          "format": "int64"
-        },
-        "filters": {
-          "type": "array",
-          "items": {
-            "$ref": "#/definitions/apiBlockFilter"
-          }
-        },
-        "includeTransactions": {
-          "$ref": "#/definitions/apiIncludeTransactions"
-        }
-      }
-    },
     "apiCountBlocksResponse": {
       "type": "object",
       "properties": {
         "count": {
           "type": "string",
-          "format": "uint64"
+          "format": "uint64",
+          "title": "区块数量"
         },
         "startTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "本次查询有效的查询范围开始时间戳"
         },
         "endTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "本次查询有效的查询范围结束时间戳"
         }
       }
     },
@@ -479,15 +578,18 @@
       "properties": {
         "count": {
           "type": "string",
-          "format": "uint64"
+          "format": "uint64",
+          "title": "事务数量"
         },
         "startTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "本次查询有效的查询范围开始时间戳"
         },
         "endTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "本次查询有效的查询范围结束时间戳"
         }
       }
     },
@@ -495,7 +597,8 @@
       "type": "object",
       "properties": {
         "block": {
-          "$ref": "#/definitions/apiBlock"
+          "$ref": "#/definitions/apiBlock",
+          "title": "区块信息"
         }
       }
     },
@@ -506,15 +609,18 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/apiBlock"
-          }
+          },
+          "title": "区块列表"
         },
         "startTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "本次查询有效的查询范围开始时间戳"
         },
         "endTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "本次查询有效的查询范围结束时间戳"
         }
       }
     },
@@ -522,7 +628,8 @@
       "type": "object",
       "properties": {
         "transaction": {
-          "$ref": "#/definitions/bdledgerapiTransaction"
+          "$ref": "#/definitions/bdledgerapiTransaction",
+          "title": "事务信息"
         }
       }
     },
@@ -530,7 +637,8 @@
       "type": "object",
       "properties": {
         "transaction": {
-          "$ref": "#/definitions/bdledgerapiTransaction"
+          "$ref": "#/definitions/bdledgerapiTransaction",
+          "title": "事务信息"
         }
       }
     },
@@ -541,15 +649,18 @@
           "type": "array",
           "items": {
             "$ref": "#/definitions/bdledgerapiTransaction"
-          }
+          },
+          "title": "事务列表"
         },
         "startTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "本次查询有效的查询范围开始时间戳"
         },
         "endTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "本次查询有效的查询范围结束时间戳"
         }
       }
     },
@@ -561,6 +672,7 @@
         "FULL"
       ],
       "default": "NONE",
+      "description": "- NONE: 不包含事务数据\n - HASH: 包含事务哈希列表\n - FULL: 包含完整事务列表",
       "title": "*\n包含事务信息详细程度"
     },
     "apiTransactionFilter": {
@@ -595,93 +707,81 @@
         "CONTRACT_STATUS"
       ],
       "default": "RECORD",
+      "description": "- RECORD: 通用数据记录\n - MESSAGE: 消息\n - CONTRACT_CREATION: 合约创建\n - CONTRACT_INVOCATION: 合约调用\n - CONTRACT_STATUS: 合约状态",
       "title": "事务类型"
     },
-    "apiTransactionsRequest": {
-      "type": "object",
-      "properties": {
-        "ledger": {
-          "type": "string"
-        },
-        "startTimestamp": {
-          "type": "string",
-          "format": "int64"
-        },
-        "endTimestamp": {
-          "type": "string",
-          "format": "int64"
-        },
-        "filters": {
-          "type": "array",
-          "items": {
-            "$ref": "#/definitions/apiTransactionFilter"
-          }
-        }
-      }
-    },
     "bdledgerapiTransaction": {
       "type": "object",
       "properties": {
         "blockHash": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "事务所在的区块的哈希，当事务处于待确认状态时为`null`"
         },
         "blockTimestamp": {
           "type": "string",
-          "format": "int64"
+          "format": "int64",
+          "title": "事务所在的区块产生时的 UNIX 时间戳，单位为秒"
         },
         "index": {
           "type": "integer",
-          "format": "int64"
+          "format": "int64",
+          "title": "事务在区块中的位置 index，当事务处于待确认状态时为`null`"
         },
         "hash": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "事务的哈希"
         },
         "type": {
-          "$ref": "#/definitions/apiTransactionType"
+          "$ref": "#/definitions/apiTransactionType",
+          "title": "事务类型"
         },
         "from": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "发送账户地址"
         },
         "nonce": {
           "type": "string",
-          "format": "uint64"
+          "format": "uint64",
+          "title": "这条事务之前发送者所发送的事务数量"
         },
         "to": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "接收账户地址，或者调用的合约地址，或者`null`如为合约创建"
         },
         "data": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "数据或合约代码"
         },
         "v": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "ECDSA recovery id"
         },
         "r": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "ECDSA signature r"
         },
         "s": {
           "type": "string",
-          "format": "byte"
+          "format": "byte",
+          "title": "ECDSA signature s"
         }
       }
     },
     "protobufAny": {
       "type": "object",
       "properties": {
-        "typeUrl": {
+        "@type": {
           "type": "string"
-        },
-        "value": {
-          "type": "string",
-          "format": "byte"
         }
-      }
+      },
+      "additionalProperties": {}
     },
     "rpcStatus": {
       "type": "object",
diff --git a/grpc/README.md b/grpc/README.md
index a8f0865..e9aac97 100644
--- a/grpc/README.md
+++ b/grpc/README.md
@@ -10,19 +10,19 @@ See [API documentation](..\docs\apis.md)
 
 ##### Installling tools
 
-Download the [Protocol Buffers compiler](https://github.com/protocolbuffers/protobuf/releases) (protoc-3.17.3-*)+ for
+Download the [Protocol Buffers compiler](https://github.com/protocolbuffers/protobuf/releases) (protoc-3.21.9-*)+ for
 your platform and add `protoc` to `PATH` environment variable
 
-For generating Go code, install `protoc-gen-go` (v1.27.1+):
+For generating Go code, install `protoc-gen-go` (v1.28.1+):
 
 ```shell
-GIT_TAG="v1.27.1"
+GIT_TAG="v1.28.1"
 go get -d -u google.golang.org/protobuf/cmd/protoc-gen-go
 git -C "$(go env GOPATH)"/src/google.golang.org/protobuf checkout $GIT_TAG
 go install google.golang.org/protobuf/cmd/protoc-gen-go
 ```
 
-Also install `protoc-gen-go-grpc` v1.1.0+:
+Also install `protoc-gen-go-grpc` v1.2.0+:
 
 ```shell
 go get -u google.golang.org/grpc/cmd/protoc-gen-go-grpc
@@ -36,7 +36,7 @@ gobin google.golang.org/grpc/cmd/protoc-gen-go-grpc
 ```
 
 For generating HTTP JSON APIs with [grpc-gateway](https://grpc-ecosystem.github.io/grpc-gateway/), follow
-the [documentation](https://github.com/grpc-ecosystem/grpc-gateway/tree/v2#installation).
+the [documentation](https://github.com/grpc-ecosystem/grpc-gateway#installation).
 
 For generating validators
 install [go-proto-validators](https://github.com/mwitkow/go-proto-validators/tree/master/protoc-gen-govalidators):
diff --git a/grpc/pb/bdware/bdledger/api/common.proto b/grpc/pb/bdware/bdledger/api/common.proto
index 143b41a..1b5e447 100644
--- a/grpc/pb/bdware/bdledger/api/common.proto
+++ b/grpc/pb/bdware/bdledger/api/common.proto
@@ -42,6 +42,8 @@ message Block {
   bytes transactions_root = 9;            // 区块的事务默克尔树根
   repeated Transaction transactions = 10; // 事务对象的数组，或为空
   repeated bytes transaction_hashes = 11; // 20字节的事务哈希的数组，或为空
+  bytes creator_signature = 12;           // 产块者签名
+  bytes witness_signatures = 13;          // 见证者签名
 }
 
 message Contract {