diff --git a/docs/en/12-taos-sql/14-stream.md b/docs/en/12-taos-sql/14-stream.md
index deb2522309..17e4e4d1b0 100644
--- a/docs/en/12-taos-sql/14-stream.md
+++ b/docs/en/12-taos-sql/14-stream.md
@@ -44,7 +44,7 @@ For example, the following SQL statement creates a stream and automatically crea
 
 ```sql
 CREATE STREAM avg_vol_s INTO avg_vol AS
-SELECT _wstartts, count(*), avg(voltage) FROM meters PARTITION BY tbname INTERVAL(1m) SLIDING(30s);
+SELECT _wstart, count(*), avg(voltage) FROM meters PARTITION BY tbname INTERVAL(1m) SLIDING(30s);
 ```
 
 ## Delete a Stream
diff --git a/docs/zh/12-taos-sql/14-stream.md b/docs/zh/12-taos-sql/14-stream.md
index 86437c762e..cd726e0a0e 100644
--- a/docs/zh/12-taos-sql/14-stream.md
+++ b/docs/zh/12-taos-sql/14-stream.md
@@ -44,7 +44,7 @@ window_clause: {
 
 ```sql
 CREATE STREAM avg_vol_s INTO avg_vol AS
-SELECT _wstartts, count(*), avg(voltage) FROM meters PARTITION BY tbname INTERVAL(1m) SLIDING(30s);
+SELECT _wstart, count(*), avg(voltage) FROM meters PARTITION BY tbname INTERVAL(1m) SLIDING(30s);
 ```
 
 ## 流式计算的 partition