diff --git a/src/sql/plan_cache/ob_ps_sql_utils.cpp b/src/sql/plan_cache/ob_ps_sql_utils.cpp
index 06c4decafe46ff4a8f78d1c9b257328632ff7402..dd6f7037ef11cf0cb02ca8e0d852d63dec22e899 100644
--- a/src/sql/plan_cache/ob_ps_sql_utils.cpp
+++ b/src/sql/plan_cache/ob_ps_sql_utils.cpp
@@ -62,8 +62,16 @@ int ObPsSqlParamHelper::traverse(
     TraverseContext& ctx, ObIArray<int64_t>& no_check_type_offsets, ObIArray<int64_t>& not_param_offsets)
 {
   int ret = OB_SUCCESS;
-  if (OB_ISNULL(ctx.node_)) {
-    // ignore
+  bool is_overflow = false;
+  if (OB_FAIL(check_stack_overflow(is_overflow))) {
+    LOG_WARN("failed to check stack overflow", K(ret));
+  } else if (is_overflow) {
+    ret = OB_SIZE_OVERFLOW;
+    LOG_WARN("too deep recusive", K(ret));
+  }
+  if (OB_FAIL(ret)) {
+  } else if (OB_ISNULL(ctx.node_)) {
+    //ignore
   } else {
     bool is_set = false;
     const ParseNode& parent = *ctx.node_;