diff --git a/src/pl/sys_package/ob_dbms_sql.cpp b/src/pl/sys_package/ob_dbms_sql.cpp
index 7d2e11738e..9b60dc41ba 100644
--- a/src/pl/sys_package/ob_dbms_sql.cpp
+++ b/src/pl/sys_package/ob_dbms_sql.cpp
@@ -327,7 +327,7 @@ int ObDbmsInfo::define_column(int64_t col_idx, ObObjType col_type,
 {
   int ret = OB_SUCCESS;
   if (col_idx < 0 || col_idx >= fields_.count()) {
-    ret = OB_SIZE_OVERFLOW;
+    ret = OB_ERR_VARIABLE_NOT_IN_SELECT_LIST;
     LOG_WARN("define column position is invalid", K(col_idx), K(fields_), K(col_type), K(ret));
   } else if (!cast_supported(fields_.at(col_idx).type_.get_type(),
                              static_cast<common::ObCollationType>(fields_.at(col_idx).charsetnr_),
diff --git a/src/sql/ob_spi.cpp b/src/sql/ob_spi.cpp
index d20bf3002d..87fd9fb657 100644
--- a/src/sql/ob_spi.cpp
+++ b/src/sql/ob_spi.cpp
@@ -5585,10 +5585,15 @@ int ObSPIService::spi_set_collection(int64_t tenant_id,
             CK (type->is_collection_type());
             CK (OB_NOT_NULL(collection_type = static_cast<const ObCollectionType*>(type)));
             OZ (collection_type->get_element_type().newx(*coll.get_allocator(), ns, ptr));
-            if (OB_SUCC(ret) && collection_type->get_element_type().is_collection_type()) {
+            if (OB_FAIL(ret)) {
+            } else if (collection_type->get_element_type().is_collection_type()) {
               ObPLCollection *collection = NULL;
               CK (OB_NOT_NULL(collection = reinterpret_cast<ObPLCollection*>(ptr)));
               OX (collection->set_count(0));
+            } else if (collection_type->get_element_type().is_record_type()) {
+              ObPLRecord *record = NULL;
+              CK (OB_NOT_NULL(record = reinterpret_cast<ObPLRecord*>(ptr)));
+              OX (record->set_null());
             }
             OZ (collection_type->get_element_type().get_size(*ns, PL_TYPE_INIT_SIZE, init_size));
             OX (row->set_extend(ptr, collection_type->get_element_type().get_type(), init_size));
diff --git a/src/sql/ob_sql.cpp b/src/sql/ob_sql.cpp
index 298dd665c5..b12274e948 100644
--- a/src/sql/ob_sql.cpp
+++ b/src/sql/ob_sql.cpp
@@ -1571,7 +1571,8 @@ int ObSql::handle_pl_execute(const ObString &sql,
 #endif
   if (OB_SUCC(ret) && session.get_in_transaction()) {
     if (ObStmt::is_dml_write_stmt(result.get_stmt_type()) ||
-        ObStmt::is_savepoint_stmt(result.get_stmt_type())) {
+        ObStmt::is_savepoint_stmt(result.get_stmt_type()) ||
+        (ObStmt::is_select_stmt(result.get_stmt_type()) && OB_NOT_NULL(result.get_physical_plan()) && result.get_physical_plan()->has_for_update())) {
       session.set_has_exec_inner_dml(true);
     }
   }
diff --git a/src/sql/resolver/cmd/ob_call_procedure_resolver.cpp b/src/sql/resolver/cmd/ob_call_procedure_resolver.cpp
index 008e304a52..8616abd2c6 100644
--- a/src/sql/resolver/cmd/ob_call_procedure_resolver.cpp
+++ b/src/sql/resolver/cmd/ob_call_procedure_resolver.cpp
@@ -55,6 +55,8 @@ int ObCallProcedureResolver::resolve_cparams(const ParseNode *params_node,
                                              ObIArray<ObRawExpr*> &params)
 {
   int ret = OB_SUCCESS;
+  bool has_assign_param = false;
+
   CK (OB_NOT_NULL(routine_info));
   CK (OB_NOT_NULL(call_proc_info));
 
@@ -64,7 +66,6 @@ int ObCallProcedureResolver::resolve_cparams(const ParseNode *params_node,
   }
   // Step 2: 从ParamsNode中解析参数
   if (OB_SUCC(ret) && OB_NOT_NULL(params_node)) {
-    bool has_assign_param = false;
     if (T_SP_CPARAM_LIST != params_node->type_) {
       ret = OB_INVALID_ARGUMENT;
       LOG_WARN("invalid params list node", K(ret), K(params_node->type_));
@@ -107,7 +108,7 @@ int ObCallProcedureResolver::resolve_cparams(const ParseNode *params_node,
   }
 
   if (OB_SUCC(ret)) { // 判断所有参数没有复杂表达式参数
-    bool v = true;
+    bool v = (false == has_assign_param);
     for (int64_t i = 0; v && OB_SUCC(ret) && i < params.count(); i ++) {
       if (OB_ISNULL(params.at(i))) {
         ret = OB_INVALID_ARGUMENT;