diff --git a/curvefs/src/tools/curvefs_tool_define.h b/curvefs/src/tools/curvefs_tool_define.h
index 0eaeb7915b..6300af20c8 100644
--- a/curvefs/src/tools/curvefs_tool_define.h
+++ b/curvefs/src/tools/curvefs_tool_define.h
@@ -112,6 +112,7 @@ const char kHelpStr[] =
     "create-fs:         create fs\n"
     "umount-fs:         umount curvefs from local and cluster\n"
     "usage-metadata:    show the metadata usage of cluster\n"
+    "update-s3info:     update the s3 information used in the cluster\n"
     "delete-fs:         delete fs by fsName\n"
     "delete-partition:  delete partition by partitionId\n"
     "check-copyset:     checkout copyset status\n"
diff --git a/curvefs/src/tools/update/curvefs_update_s3info.cpp b/curvefs/src/tools/update/curvefs_update_s3info.cpp
index bbc68edb61..107df51305 100644
--- a/curvefs/src/tools/update/curvefs_update_s3info.cpp
+++ b/curvefs/src/tools/update/curvefs_update_s3info.cpp
@@ -21,15 +21,8 @@
 
 #include "curvefs/src/tools/update/curvefs_update_s3info.h"
 
-#include "absl/strings/str_split.h"
-
 DECLARE_string(fsName);
 DECLARE_string(confPath);
-DECLARE_string(mdsAddr);
-DECLARE_uint64(blockSize);
-DECLARE_string(fsType);
-
-// volume fs
 
 DECLARE_string(s3_ak);
 DECLARE_string(s3_sk);
@@ -38,8 +31,6 @@ DECLARE_string(s3_bucket_name);
 DECLARE_uint64(s3_blocksize);
 DECLARE_uint64(s3_chunksize);
 DECLARE_uint32(s3_objectPrefix);
-DECLARE_uint32(rpcTimeoutMs);
-DECLARE_uint32(rpcRetryTimes);
 
 namespace curvefs {
 namespace tools {
@@ -48,9 +39,7 @@ namespace update {
 void UpdateS3InfoTool::PrintHelp() {
     CurvefsToolRpc::PrintHelp();
     std::cout << " -fsName=" << FLAGS_fsName
-              << " [-rpcTimeoutMs=" << FLAGS_rpcTimeoutMs
-              << " -rpcRetryTimes=" << FLAGS_rpcRetryTimes
-              << "]\n[-s3_ak=" << FLAGS_s3_ak
+              << " [-s3_ak=" << FLAGS_s3_ak
               << " -s3_sk=" << FLAGS_s3_sk
               << " -s3_endpoint=" << FLAGS_s3_endpoint
               << " -s3_bucket_name=" << FLAGS_s3_bucket_name
@@ -68,23 +57,7 @@ void UpdateS3InfoTool::AddUpdateFlags() {
     AddUpdateFlagsFunc(curvefs::tools::SetS3_blocksize);
     AddUpdateFlagsFunc(curvefs::tools::SetS3_chunksize);
     AddUpdateFlagsFunc(curvefs::tools::SetS3_objectPrefix);
-    AddUpdateFlagsFunc(curvefs::tools::SetRpcTimeoutMs);
-    AddUpdateFlagsFunc(curvefs::tools::SetRpcRetryTimes);
-}
-
-namespace {
-google::protobuf::RepeatedPtrField<::std::string> ParseVolumeCluster(
-    const std::string& hosts) {
-    std::vector<absl::string_view> split = absl::StrSplit(hosts, ',');
-    google::protobuf::RepeatedPtrField<::std::string> res;
-    res.Reserve(split.size());
-    for (const auto& sv : split) {
-        res.Add(std::string{sv.data(), sv.size()});
-    }
-
-    return res;
 }
-}  // namespace
 
 int UpdateS3InfoTool::Init() {
     int ret = CurvefsToolRpc::Init();
@@ -115,7 +88,7 @@ int UpdateS3InfoTool::Init() {
 }
 
 void UpdateS3InfoTool::SetController() {
-    controller_->set_timeout_ms(FLAGS_rpcTimeoutMs);
+    controller_->set_timeout_ms(10000);
 }
 
 bool UpdateS3InfoTool::AfterSendRequestToHost(const std::string& host) {
diff --git a/curvefs/src/tools/update/curvefs_update_s3info.h b/curvefs/src/tools/update/curvefs_update_s3info.h
index 3661767155..62b01aff84 100644
--- a/curvefs/src/tools/update/curvefs_update_s3info.h
+++ b/curvefs/src/tools/update/curvefs_update_s3info.h
@@ -36,7 +36,7 @@ class UpdateS3InfoTool : public CurvefsToolRpc<curvefs::mds::UpdateS3InfoRequest
                                                curvefs::mds::UpdateS3InfoResponse,
                                                curvefs::mds::MdsService_Stub> {
  public:
-    explicit UpdateS3InfoTool(const std::string& cmd = kCreateFsCmd,
+    explicit UpdateS3InfoTool(const std::string& cmd = kUpdateS3InfoCmd,
                           bool show = true)
         : CurvefsToolRpc(cmd) {
         show_ = show;