diff --git a/src/observer/table_load/ob_table_load_manager.h b/src/observer/table_load/ob_table_load_manager.h
index 77022f28acb32143a70c84ef502d8a9f1b9edd86..9f2c933d860ce50f2d07eeeeda6f2017e3dfd72c 100644
--- a/src/observer/table_load/ob_table_load_manager.h
+++ b/src/observer/table_load/ob_table_load_manager.h
@@ -29,25 +29,25 @@ public:
   template<typename... Args>
   int get_or_new(const KeyType &key, ValueType *&value, bool &is_new, const Args&... args);
   template <typename Function>
-  int for_each(Function &fn) { return value_map_.for_each(fn); }
+  int for_each(Function &fn) { return value_map_.foreach_refactored(fn); }
 private:
   template<typename... Args>
   int new_value(const KeyType &key, ValueType *&value, const Args&... args);
 private:
-  common::ObConcurrentHashMap<KeyType, ValueType *> value_map_;
+  common::hash::ObHashMap<KeyType, ValueType *> value_map_;
   lib::ObMutex mutex_;
 };
 
 template<class KeyType, class ValueType>
 int ObTableLoadManager<KeyType, ValueType>::init()
 {
-  return value_map_.init();
+  return value_map_.create(1024, "TLD_LoadMgr", "TLD_LoadMgr");
 }
 
 template<class KeyType, class ValueType>
 int ObTableLoadManager<KeyType, ValueType>::put(const KeyType &key, ValueType *value)
 {
-  return value_map_.put_refactored(key, value);
+  return value_map_.set_refactored(key, value);
 }
 
 template<class KeyType, class ValueType>
@@ -59,7 +59,7 @@ int ObTableLoadManager<KeyType, ValueType>::get(const KeyType &key, ValueType *&
 template<class KeyType, class ValueType>
 int ObTableLoadManager<KeyType, ValueType>::remove(const KeyType &key, ValueType *value)
 {
-  return value_map_.remove_refactored(key);
+  return value_map_.erase_refactored(key);
 }
 
 template<class KeyType, class ValueType>
@@ -70,7 +70,7 @@ int ObTableLoadManager<KeyType, ValueType>::new_value(const KeyType &key, ValueT
   int ret = common::OB_SUCCESS;
   lib::ObMutexGuard guard(mutex_);
   ret = get(key, value);
-  if (ret == common::OB_ENTRY_NOT_EXIST) {
+  if (ret == common::OB_HASH_NOT_EXIST) {
     ret = common::OB_SUCCESS;
     if (OB_ISNULL(value = OB_NEW(ValueType, ObMemAttr(MTL_ID(), "TLD_MgrValue"), args...))) {
       ret = common::OB_ALLOCATE_MEMORY_FAILED;
@@ -89,7 +89,7 @@ int ObTableLoadManager<KeyType, ValueType>::new_value(const KeyType &key, ValueT
   } else if (ret != common::OB_SUCCESS) {
     OB_LOG(WARN, "fail to get value", KR(ret));
   } else { // 已存在
-    ret = common::OB_ENTRY_EXIST;
+    ret = common::OB_HASH_EXIST;
   }
   return ret;
 }
@@ -106,12 +106,13 @@ int ObTableLoadManager<KeyType, ValueType>::new_and_insert(const KeyType &key, V
                                                            const Args&... args)
 {
   int ret = common::OB_SUCCESS;
-  ret = value_map_.contains_key(key);
-  if (OB_LIKELY(common::OB_ENTRY_NOT_EXIST == ret)) {
+  ValueType *tmp_value = nullptr;
+  ret = get(key, tmp_value);
+  if (OB_LIKELY(common::OB_HASH_NOT_EXIST == ret)) {
     ret = new_value(key, value, args...);
   }
   if (OB_FAIL(ret)) {
-    if (OB_LIKELY(common::OB_ENTRY_EXIST == ret)) {
+    if (OB_LIKELY(common::OB_HASH_EXIST == ret)) {
       OB_LOG(WARN, "value already exist", KR(ret), K(key));
     } else {
       OB_LOG(WARN, "fail to call contains key", KR(ret), K(key));
@@ -129,10 +130,10 @@ int ObTableLoadManager<KeyType, ValueType>::get_or_new(const KeyType &key, Value
   value = nullptr;
   is_new = false;
   ret = get(key, value);
-  if (common::OB_ENTRY_NOT_EXIST == ret) {
+  if (common::OB_HASH_NOT_EXIST == ret) {
     ret = common::OB_SUCCESS;
     if (OB_FAIL(new_value(key, value, args...))) {
-      if (OB_UNLIKELY(common::OB_ENTRY_EXIST != ret)) {
+      if (OB_UNLIKELY(common::OB_HASH_EXIST != ret)) {
         OB_LOG(WARN, "fail to new value", KR(ret));
       } else { // 已存在
         ret = common::OB_SUCCESS;
diff --git a/src/observer/table_load/ob_table_load_service.cpp b/src/observer/table_load/ob_table_load_service.cpp
index 239ac608cb96fd07eb182a638bd0fff55c73500a..51c957990ff5cd61ed7da0b46161ad3c0160591e 100644
--- a/src/observer/table_load/ob_table_load_service.cpp
+++ b/src/observer/table_load/ob_table_load_service.cpp
@@ -44,8 +44,9 @@ void ObTableLoadService::ObGCTask::runTimerTask()
     LOG_WARN("ObTableLoadService::ObGCTask not init", KR(ret), KP(this));
   } else {
     LOG_DEBUG("table load start gc", K(tenant_id_));
-    auto fn = [this](uint64_t table_id, ObTableLoadTableCtx *) -> bool {
+    auto fn = [this](common::hash::HashMapPair<uint64_t, ObTableLoadTableCtx *> &entry) -> int {
       int ret = OB_SUCCESS;
+      uint64_t table_id = entry.first;
       ObTableLoadTableCtx *table_ctx = nullptr;
       if (OB_FAIL(service_.get_table_ctx(table_id, table_ctx))) {
       } else if (table_ctx->is_dirty()) {
@@ -81,7 +82,7 @@ void ObTableLoadService::ObGCTask::runTimerTask()
         service_.put_table_ctx(table_ctx);
         table_ctx = nullptr;
       }
-      return true;
+      return ret;
     };
     service_.table_ctx_manager_.for_each(fn);
   }