diff --git a/docs/zh/12-taos-sql/21-node.md b/docs/zh/12-taos-sql/21-node.md
index 47aa2077a3..4816daf420 100644
--- a/docs/zh/12-taos-sql/21-node.md
+++ b/docs/zh/12-taos-sql/21-node.md
@@ -40,7 +40,6 @@ ALTER ALL DNODES dnode_option
 
 dnode_option: {
     'resetLog'
-  | 'resetQueryCache'
   | 'balance' value
   | 'monitor' value
   | 'debugFlag' value