diff --git a/lightrag/kg/tidb_impl.py b/lightrag/kg/tidb_impl.py
index e47ab177..f909be8b 100644
--- a/lightrag/kg/tidb_impl.py
+++ b/lightrag/kg/tidb_impl.py
@@ -77,6 +77,7 @@ class TiDB:
             try:
                 result = conn.execute(text(sql), params)
             except Exception as e:
+                sanitized_params = sanitize_sensitive_info(params)
                 sanitized_params = sanitize_sensitive_info(params)
                 logger.error(f"Tidb database,\nsql:{sql},\nparams:{sanitized_params},\nerror:{sanitize_sensitive_info({'error': str(e)})}")
                 raise