diff --git a/src/sql/ob_sql.h b/src/sql/ob_sql.h
index 53d561d430..487d5652ff 100644
--- a/src/sql/ob_sql.h
+++ b/src/sql/ob_sql.h
@@ -494,12 +494,14 @@ private:
                                 ObSchemaGetterGuard &schema_guard,
                                 ObSqlTraits &sql_traits);
   int get_reconstructed_batch_stmt(ObPlanCacheCtx &pc_ctx, ObString& stmt_sql);
-  static int add_param_to_param_store(const ObObjParam &param,
-                                      ParamStore &param_store);
   int check_need_switch_thread(ObSqlCtx &ctx, const ObStmt *stmt, bool &need_switch);
   void rollback_implicit_trans_when_fail(ObResultSet &result, int &ret);
   typedef hash::ObHashMap<uint64_t, ObPlanCache*> PlanCacheMap;
   friend class ::test::TestOptimizerUtils;
+
+public:
+  static int add_param_to_param_store(const ObObjParam &param,
+                                      ParamStore &param_store);
 private:
   bool inited_;
   // BEGIN 全局单例依赖接口
diff --git a/src/sql/ob_sql_utils.cpp b/src/sql/ob_sql_utils.cpp
index bb2bf462dc..0066f3cd76 100644
--- a/src/sql/ob_sql_utils.cpp
+++ b/src/sql/ob_sql_utils.cpp
@@ -5265,6 +5265,7 @@ int ObSQLUtils::get_one_group_params(int64_t &actual_pos, ParamStore &src, Param
     ObObj *data = NULL;
     if (OB_UNLIKELY(!obj.is_ext())) {
       OZ (obj_params.push_back(obj));
+      OZ (ObSql::add_param_to_param_store(obj, obj_params));
     } else {
       CK (OB_NOT_NULL(coll = reinterpret_cast<pl::ObPLCollection*>(obj.get_ext())));
       CK (coll->get_count() > actual_pos);
@@ -5278,7 +5279,7 @@ int ObSQLUtils::get_one_group_params(int64_t &actual_pos, ParamStore &src, Param
             ++actual_pos;
           }
         }
-        OX (obj_params.push_back(*(data + actual_pos)));
+        OZ (ObSql::add_param_to_param_store(*(data + actual_pos), obj_params));
       }
     }
   }
@@ -5898,4 +5899,4 @@ bool ObSQLUtils::is_data_version_ge_423_or_431(uint64_t data_version)
 bool ObSQLUtils::is_data_version_ge_423_or_432(uint64_t data_version)
 {
   return ((MOCK_DATA_VERSION_4_2_3_0 <= data_version && data_version < DATA_VERSION_4_3_0_0) || data_version >= DATA_VERSION_4_3_2_0);
-}
\ No newline at end of file
+}