diff --git a/docs/en/12-taos-sql/27-index.md b/docs/en/12-taos-sql/27-index.md
index 7586e4af76..93cd38f362 100644
--- a/docs/en/12-taos-sql/27-index.md
+++ b/docs/en/12-taos-sql/27-index.md
@@ -41,7 +41,6 @@ DROP INDEX index_name;
 ## View Indices
 
 ````sql
-```sql
 SHOW INDEXES FROM tbl_name [FROM db_name];
 ````
 
diff --git a/docs/zh/12-taos-sql/27-index.md b/docs/zh/12-taos-sql/27-index.md
index aa84140296..e86d2d8f36 100644
--- a/docs/zh/12-taos-sql/27-index.md
+++ b/docs/zh/12-taos-sql/27-index.md
@@ -41,7 +41,6 @@ DROP INDEX index_name;
 ## 查看索引
 
 ````sql
-```sql
 SHOW INDEXES FROM tbl_name [FROM db_name];
 ````