diff --git a/cmd/chain33/chain33.toml b/cmd/chain33/chain33.toml
index c8ff4b1d66..91a395580b 100644
--- a/cmd/chain33/chain33.toml
+++ b/cmd/chain33/chain33.toml
@@ -126,7 +126,8 @@ httpApi=["eth","web3","personal","admin","net"]
 # websocket 绑定地址
 wsAddr="localhost:8546"
 wsApi=["eth","web3","personal","admin","net"]
-
+# 自定义配置 web3_clientversion 版本
+web3CliVer=""
 [mempool]
 # mempool队列名称，可配，timeline，score，price
 name="timeline"
diff --git a/rpc/ethrpc/rpc.go b/rpc/ethrpc/rpc.go
index 6d621806f1..37abb78e73 100644
--- a/rpc/ethrpc/rpc.go
+++ b/rpc/ethrpc/rpc.go
@@ -55,7 +55,7 @@ type subConfig struct {
 	HTTPAPI    []string `json:"httpApi,omitempty"` //eth,admin,net,web3/personal
 	WsAddr     string   `json:"wsAddr,omitempty"`
 	WsAPI      []string `json:"wsApi,omitempty"` //eth,admin,net,web3/personal
-	Web3CliVer string   `json:"web3Cliver,omitempty"`
+	Web3CliVer string   `json:"web3CliVer,omitempty"`
 }
 
 //ServerAPI ...
diff --git a/rpc/ethrpc/web3/web3.go b/rpc/ethrpc/web3/web3.go
index 35bba2d57a..858d0eb54a 100644
--- a/rpc/ethrpc/web3/web3.go
+++ b/rpc/ethrpc/web3/web3.go
@@ -36,7 +36,7 @@ func (w *web3Handler) Sha3(input string) (string, error) {
 //web3_clientVersion
 func (w *web3Handler) ClientVersion() (string, error) {
 	var subcfg struct {
-		Web3CliVer string `json:"web3Cliver,omitempty"`
+		Web3CliVer string `json:"web3CliVer,omitempty"`
 	}
 
 	ctypes.MustDecode(w.cfg.GetSubConfig().RPC["eth"], &subcfg)
diff --git a/types/defaultcfg.go b/types/defaultcfg.go
index cf7d2bccd2..6bbdbdf689 100644
--- a/types/defaultcfg.go
+++ b/types/defaultcfg.go
@@ -93,7 +93,7 @@ jrpcFuncWhitelist=["*"]
 grpcFuncWhitelist=["*"]
 [rpc.sub.eth]
 enable=false
-web3Cliver="Geth/v1.8.15-omnibus-255989da/linux-amd64/go1.10.1"
+web3CliVer="Geth/v1.8.15-omnibus-255989da/linux-amd64/go1.10.1"
 
 [mempool]
 name="timeline"