Update 14-stream.md

docs/en/12-taos-sql/14-stream.md

@@ -150,10 +150,10 @@ In both of these methods, configuring the watermark is essential for obtaining a
 All [scalar functions](../function/#scalar-functions) are available in stream processing. All [System information functions](../function/#system-information-functions) are <b>not</b> allowed in stream processing. All [Aggregate functions](../function/#aggregate-functions)  and  [Selection functions](../function/#selection-functions) are available in stream processing, except the followings:
   - [leastsquares](../function/#leastsquares)
   - [percentile](../function/#percentile)
-  - [top](../function/#leastsquares)
-  - [bottom](../function/#top)
-  - [elapsed](../function/#leastsquares)
-  - [interp](../function/#elapsed)
+  - [top](../function/#top)
+  - [bottom](../function/#tbottomop)
+  - [elapsed](../function/#elapsed)
+  - [interp](../function/#interp)
   - [derivative](../function/#derivative)
   - [irate](../function/#irate)
   - [twa](../function/#twa)