diff --git a/contrib/security_plugin/gs_policy_plugin.cpp b/contrib/security_plugin/gs_policy_plugin.cpp
index fe0f8d141..5f739f5b0 100644
--- a/contrib/security_plugin/gs_policy_plugin.cpp
+++ b/contrib/security_plugin/gs_policy_plugin.cpp
@@ -97,7 +97,6 @@ PG_MODULE_MAGIC;
 
 extern "C" void _PG_init(void);
 extern "C" void _PG_fini(void);
-extern "C" void set_gsaudit_prehook(ProcessUtility_hook_type func);
 
 #define POLICY_STR_BUFF_LEN 512
 #define POLICY_TMP_BUFF_LEN 256
@@ -1782,7 +1781,7 @@ void install_audit_hook()
      * preserve the chains.
      */
     next_ExecutorStart_hook = ExecutorStart_hook;
-    set_gsaudit_prehook(ProcessUtility_hook);
+    next_ProcessUtility_hook = ProcessUtility_hook;
 
     /*
      * Install audit hooks, the interface for GaussDB kernel user as below
@@ -1822,15 +1821,6 @@ void install_label_hook()
     }
 }
 
-/*
- * This function is used for setting prev_ProcessUtility to rewrite
- * standard_ProcessUtility by other extension.
- */
-void set_gsaudit_prehook(ProcessUtility_hook_type func)
-{
-    next_ProcessUtility_hook = func;
-}
-
 /*
  * Define GUC variables and install hooks upon module load.
  * NOTE: _PG_init will be invoked(installed) many times 
diff --git a/src/gausskernel/dbmind/kernel/hypopg_index.cpp b/src/gausskernel/dbmind/kernel/hypopg_index.cpp
index 62fad5d84..fd6e61971 100644
--- a/src/gausskernel/dbmind/kernel/hypopg_index.cpp
+++ b/src/gausskernel/dbmind/kernel/hypopg_index.cpp
@@ -104,19 +104,10 @@ void InitHypopg()
     isExplain = false;
 }
 
-/*
- * This function is used for setting prev_utility_hook to rewrite
- * standard_ProcessUtility by extension.
- */
-void set_hypopg_prehook(ProcessUtility_hook_type func)
-{
-    prev_utility_hook = func;
-}
-
 void hypopg_register_hook()
 {
     // register hooks
-    set_hypopg_prehook(ProcessUtility_hook);
+    prev_utility_hook = ProcessUtility_hook;
     ProcessUtility_hook = hypo_utility_hook;
 
     prev_ExecutorEnd_hook = ExecutorEnd_hook;
diff --git a/src/gausskernel/process/tcop/auditfuncs.cpp b/src/gausskernel/process/tcop/auditfuncs.cpp
index 40f7c47ac..fcba9cdeb 100644
--- a/src/gausskernel/process/tcop/auditfuncs.cpp
+++ b/src/gausskernel/process/tcop/auditfuncs.cpp
@@ -124,15 +124,6 @@ static const AuditFuncMap g_auditFuncMap[] = {
 };
 static const int g_auditFuncMapNum = sizeof(g_auditFuncMap) / sizeof(AuditFuncMap);
 
-/*
- * This function is used for setting prev_ProcessUtility to rewrite
- * standard_ProcessUtility by extension.
- */
-void set_pgaudit_prehook(ProcessUtility_hook_type func)
-{
-    prev_ProcessUtility = func;
-}
-
 /*
  * Brief		    : perfstat_agent_init()
  * Description	: Module load callback.
@@ -146,7 +137,7 @@ void pgaudit_agent_init(void)
     }
     prev_ExecutorEnd = ExecutorEnd_hook;
     ExecutorEnd_hook = pgaudit_ExecutorEnd;
-    set_pgaudit_prehook(ProcessUtility_hook);
+    prev_ProcessUtility = ProcessUtility_hook;
     ProcessUtility_hook = (ProcessUtility_hook_type)pgaudit_ProcessUtility;
     u_sess->exec_cxt.g_pgaudit_agent_attached = true;
 }
diff --git a/src/gausskernel/process/tcop/postgres.cpp b/src/gausskernel/process/tcop/postgres.cpp
index 42d832182..80f17493a 100755
--- a/src/gausskernel/process/tcop/postgres.cpp
+++ b/src/gausskernel/process/tcop/postgres.cpp
@@ -876,11 +876,13 @@ void InitBSqlPluginHookIfNeeded()
 }
 
 #define LOAD_DOLPHIN "create_dolphin_extension"
-void LoadDolphinIfNeeded()
+bool LoadDolphinIfNeeded()
 {
     if (IsFileExisted(DOLPHIN)) {
         ExecuteFunctionIfExisted(DOLPHIN, LOAD_DOLPHIN);
+        return true;
     }
+    return false;
 }
 #endif
 
@@ -7182,6 +7184,8 @@ void RemoveTempNamespace()
 void LoadSqlPlugin()
 {
     if (u_sess->proc_cxt.MyDatabaseId != InvalidOid && DB_IS_CMPT(B_FORMAT)) {
+        bool loaded = true;
+
         if (!u_sess->attr.attr_sql.dolphin) {
             /* recheck and load dolphin within lock */
             pthread_mutex_lock(&g_instance.loadPluginLock[DB_CMPT_B]);
@@ -7191,12 +7195,12 @@ void LoadSqlPlugin()
             finish_xact_command();
 
             if (!u_sess->attr.attr_sql.dolphin) {
-                LoadDolphinIfNeeded();
-            } else {
-                InitBSqlPluginHookIfNeeded();
+                loaded = LoadDolphinIfNeeded();
             }
             pthread_mutex_unlock(&g_instance.loadPluginLock[DB_CMPT_B]);
-        } else {
+        }
+
+        if (loaded) {
             InitBSqlPluginHookIfNeeded();
         }
     } else if (u_sess->proc_cxt.MyDatabaseId != InvalidOid && DB_IS_CMPT(A_FORMAT) && u_sess->attr.attr_sql.whale) {
diff --git a/src/gausskernel/process/tcop/utility.cpp b/src/gausskernel/process/tcop/utility.cpp
index 0476aa278..1d2a0be0c 100755
--- a/src/gausskernel/process/tcop/utility.cpp
+++ b/src/gausskernel/process/tcop/utility.cpp
@@ -2408,6 +2408,12 @@ void standard_ProcessUtility(Node* parse_tree, const char* query_string, ParamLi
     char* completion_tag,
     bool isCTAS)
 {
+#if (!defined(ENABLE_MULTIPLE_NODES)) && (!defined(ENABLE_PRIVATEGAUSS))
+    if (u_sess->hook_cxt.standardProcessUtilityHook) {
+        return ((ProcessUtility_hook_type)(u_sess->hook_cxt.standardProcessUtilityHook))(parse_tree, query_string,
+            params, is_top_level, dest, sent_to_remote, completion_tag, isCTAS);
+    }
+#endif
     /* This can recurse, so check for excessive recursion */
     check_stack_depth();
 
diff --git a/src/gausskernel/process/threadpool/threadpool_worker.cpp b/src/gausskernel/process/threadpool/threadpool_worker.cpp
index 4f68fba0c..51e9824fb 100644
--- a/src/gausskernel/process/threadpool/threadpool_worker.cpp
+++ b/src/gausskernel/process/threadpool/threadpool_worker.cpp
@@ -793,7 +793,6 @@ static void init_session_share_memory()
 #ifndef ENABLE_MULTIPLE_NODES
 extern void InitASqlPluginHookIfNeeded();
 extern void InitBSqlPluginHookIfNeeded();
-extern void LoadDolphinIfNeeded();
 #endif
 
 static bool InitSession(knl_session_context* session)
diff --git a/src/include/knl/knl_session.h b/src/include/knl/knl_session.h
index 0519ae451..26313b2f8 100644
--- a/src/include/knl/knl_session.h
+++ b/src/include/knl/knl_session.h
@@ -2650,6 +2650,7 @@ typedef struct knl_u_hook_context {
     void *execInitExprHook;
     void *computeHashHook;
     void *aggSmpHook;
+    void *standardProcessUtilityHook;
 } knl_u_hook_context;
 
 typedef struct knl_session_context {