diff --git a/api/core/rag/datasource/vdb/oceanbase/oceanbase_vector.py b/api/core/rag/datasource/vdb/oceanbase/oceanbase_vector.py
index df53caf5de..4a9545dcfd 100644
--- a/api/core/rag/datasource/vdb/oceanbase/oceanbase_vector.py
+++ b/api/core/rag/datasource/vdb/oceanbase/oceanbase_vector.py
@@ -89,6 +89,7 @@ class OceanBaseVector(BaseVector):
             if len(vals) == 0:
                 raise ValueError("ob_vector_memory_limit_percentage not found in parameters.")
             if any(val == 0 for val in vals):
+                logger.info("ob_vector_memory_limit_percentage is 0, setting it to 30% for enabling vector indexing.")
                 try:
                     self._client.perform_raw_text_sql("ALTER SYSTEM SET ob_vector_memory_limit_percentage = 30")
                 except Exception as e: