diff --git a/src/chunkserver/chunkserver_metrics.h b/src/chunkserver/chunkserver_metrics.h
index 54e1b5657f..08f7bf26c2 100644
--- a/src/chunkserver/chunkserver_metrics.h
+++ b/src/chunkserver/chunkserver_metrics.h
@@ -185,7 +185,8 @@ class CSCopysetMetric {
         , copysetId_(0)
         , chunkCount_(nullptr)
         , snapshotCount_(nullptr)
-        , cloneChunkCount_(nullptr) {}
+        , cloneChunkCount_(nullptr)
+        , walSegmentCount_(nullptr) {}
 
     ~CSCopysetMetric() {}
 
diff --git a/src/chunkserver/copyset_node.cpp b/src/chunkserver/copyset_node.cpp
index 3184740d2e..ee31dfc25e 100755
--- a/src/chunkserver/copyset_node.cpp
+++ b/src/chunkserver/copyset_node.cpp
@@ -193,9 +193,7 @@ int CopysetNode::Init(const CopysetNodeOptions &options) {
         metric_->MonitorCurveSegmentLogStorage(logStorage);
     };
 
-    std::shared_ptr<LogStorageOptions> lsOptions =
-        std::make_shared<LogStorageOptions>(options.walFilePool,
-                                            monitorMetricCb);
+    LogStorageOptions lsOptions(options.walFilePool, monitorMetricCb);
 
     // In order to get more copysetNode's information in CurveSegmentLogStorage
     // without using global variables.
diff --git a/src/chunkserver/raftlog/curve_segment_log_storage.cpp b/src/chunkserver/raftlog/curve_segment_log_storage.cpp
index 75856f9213..453a50ea35 100644
--- a/src/chunkserver/raftlog/curve_segment_log_storage.cpp
+++ b/src/chunkserver/raftlog/curve_segment_log_storage.cpp
@@ -47,10 +47,10 @@
 namespace curve {
 namespace chunkserver {
 
-std::shared_ptr<LogStorageOptions> StoreOptForCurveSegmentLogStorage(
-    std::shared_ptr<LogStorageOptions> options) {
-    static std::shared_ptr<LogStorageOptions> options_ = options;
-    if (nullptr != options) {
+LogStorageOptions StoreOptForCurveSegmentLogStorage(
+    LogStorageOptions options) {
+    static LogStorageOptions options_;
+    if (nullptr != options.walFilePool) {
         options_ = options;
     }
 
@@ -678,14 +678,14 @@ void CurveSegmentLogStorage::sync() {
 
 braft::LogStorage* CurveSegmentLogStorage::new_instance(
     const std::string& uri) const {
-    std::shared_ptr<LogStorageOptions> options =
-        StoreOptForCurveSegmentLogStorage(nullptr);
+    LogStorageOptions options = StoreOptForCurveSegmentLogStorage(
+        LogStorageOptions());
 
-    CHECK(nullptr != options->walFilePool) << "wal file pool is null";
+    CHECK(nullptr != options.walFilePool) << "wal file pool is null";
 
     CurveSegmentLogStorage* logStorage = new CurveSegmentLogStorage(
-        uri, true, options->walFilePool);
-    options->monitorMetricCb(logStorage);
+        uri, true, options.walFilePool);
+    options.monitorMetricCb(logStorage);
 
     return logStorage;
 }
diff --git a/src/chunkserver/raftlog/curve_segment_log_storage.h b/src/chunkserver/raftlog/curve_segment_log_storage.h
index e76d88123f..50aea348e3 100644
--- a/src/chunkserver/raftlog/curve_segment_log_storage.h
+++ b/src/chunkserver/raftlog/curve_segment_log_storage.h
@@ -66,6 +66,7 @@ struct LogStorageOptions {
     std::shared_ptr<FilePool> walFilePool;
     std::function<void(CurveSegmentLogStorage*)> monitorMetricCb;
 
+    LogStorageOptions() = default;
     LogStorageOptions(std::shared_ptr<FilePool> walFilePool,
         std::function<void(CurveSegmentLogStorage*)> monitorMetricCb)
         : walFilePool(walFilePool), monitorMetricCb(monitorMetricCb) {
@@ -80,8 +81,8 @@ struct LogStorageStatus {
     uint32_t walSegmentFileCount;
 };
 
-std::shared_ptr<LogStorageOptions> StoreOptForCurveSegmentLogStorage(
-    std::shared_ptr<LogStorageOptions> options);
+LogStorageOptions StoreOptForCurveSegmentLogStorage(
+    LogStorageOptions options);
 
 void RegisterCurveSegmentLogStorageOrDie();
 
diff --git a/src/chunkserver/trash.cpp b/src/chunkserver/trash.cpp
index 51c8c6c48a..e81b98d37b 100644
--- a/src/chunkserver/trash.cpp
+++ b/src/chunkserver/trash.cpp
@@ -331,5 +331,3 @@ uint32_t Trash::CountChunkNumInCopyset(const std::string &copysetPath) {
 
 }  // namespace chunkserver
 }  // namespace curve
-
-