diff --git a/documentation20/cn/11.administrator/docs.md b/documentation20/cn/11.administrator/docs.md
index 5eccc67ff8dd36466cb93e63972fbed926f08ddf..b89016fafb12b5e6f2dcbb5e34b349103f1dba77 100644
--- a/documentation20/cn/11.administrator/docs.md
+++ b/documentation20/cn/11.administrator/docs.md
@@ -463,41 +463,41 @@ TDengine的所有可执行文件默认存放在 _/usr/local/taos/bin_ 目录下
 
 | 关键字列表 |             |              |            |           |
 | ---------- | ----------- | ------------ | ---------- | --------- |
-| ABLOCKS    | CONNECTIONS | HAVING       | MNODES     | SLIDING   |
-| ABORT      | COPY        | ID           | MODULES    | SLIMIT    |
-| ACCOUNT    | COUNT       | IF           | NCHAR      | SMALLINT  |
-| ACCOUNTS   | CREATE      | IGNORE       | NE         | SPREAD    |
-| ADD        | CTIME       | IMMEDIATE    | NONE       | STABLE    |
-| AFTER      | DATABASE    | IMPORT       | NOT        | STABLES   |
-| ALL        | DATABASES   | IN           | NOTNULL    | STAR      |
-| ALTER      | DAYS        | INITIALLY    | NOW        | STATEMENT |
-| AND        | DEFERRED    | INSERT       | OF         | STDDEV    |
-| AS         | DELIMITERS  | INSTEAD      | OFFSET     | STREAM    |
-| ASC        | DESC        | INTEGER      | OR         | STREAMS   |
-| ATTACH     | DESCRIBE    | INTERVAL     | ORDER      | STRING    |
-| AVG        | DETACH      | INTO         | PASS       | SUM       |
-| BEFORE     | DIFF        | IP           | PERCENTILE | TABLE     |
-| BEGIN      | DISTINCT    | IS           | PLUS       | TABLES    |
-| BETWEEN    | DIVIDE      | ISNULL       | PRAGMA     | TAG       |
-| BIGINT     | DNODE       | JOIN         | PREV       | TAGS      |
-| BINARY     | DNODES      | KEEP         | PRIVILEGE  | TBLOCKS   |
-| BITAND     | DOT         | KEY          | QUERIES    | TBNAME    |
-| BITNOT     | DOUBLE      | KILL         | QUERY      | TIMES     |
-| BITOR      | DROP        | LAST         | RAISE      | TIMESTAMP |
-| BOOL       | EACH        | LE           | REM        | TINYINT   |
-| BOTTOM     | END         | LEASTSQUARES | REPLACE    | TOP       |
-| BY         | EQ          | LIKE         | REPLICA    | TRIGGER   |
-| CACHE      | EXISTS      | LIMIT        | RESET      | UMINUS    |
-| CASCADE    | EXPLAIN     | LINEAR       | RESTRICT   | UPLUS     |
-| CHANGE     | FAIL        | LOCAL        | ROW        | USE       |
-| CLOG       | FILL        | LP           | ROWS       | USER      |
-| CLUSTER    | FIRST       | LSHIFT       | RP         | USERS     |
-| COLON      | FLOAT       | LT           | RSHIFT     | USING     |
-| COLUMN     | FOR         | MATCH        | SCORES     | VALUES    |
-| COMMA      | FROM        | MAX          | SELECT     | VARIABLE  |
-| COMP       | GE          | METRIC       | SEMI       | VGROUPS   |
-| CONCAT     | GLOB        | METRICS      | SET        | VIEW      |
-| CONFIGS    | GRANTS      | MIN          | SHOW       | WAVG      |
-| CONFLICT   | GROUP       | MINUS        | SLASH      | WHERE     |
-| CONNECTION | GT          |              |            |           |
+| ABLOCKS    | CONNECTIONS | HAVING       | MODULES    | SLIMIT    |
+| ABORT      | COPY        | ID           | NCHAR      | SMALLINT  |
+| ACCOUNT    | COUNT       | IF           | NE         | SPREAD    |
+| ACCOUNTS   | CREATE      | IGNORE       | NONE       | STABLE    |
+| ADD        | CTIME       | IMMEDIATE    | NOT        | STABLES   |
+| AFTER      | DATABASE    | IMPORT       | NOTNULL    | STAR      |
+| ALL        | DATABASES   | IN           | NOW        | STATEMENT |
+| ALTER      | DAYS        | INITIALLY    | OF         | STDDEV    |
+| AND        | DEFERRED    | INSERT       | OFFSET     | STREAM    |
+| AS         | DELIMITERS  | INSTEAD      | OR         | STREAMS   |
+| ASC        | DESC        | INTEGER      | ORDER      | STRING    |
+| ATTACH     | DESCRIBE    | INTERVAL     | PASS       | SUM       |
+| AVG        | DETACH      | INTO         | PERCENTILE | TABLE     |
+| BEFORE     | DIFF        | IP           | PLUS       | TABLES    |
+| BEGIN      | DISTINCT    | IS           | PRAGMA     | TAG       |
+| BETWEEN    | DIVIDE      | ISNULL       | PREV       | TAGS      |
+| BIGINT     | DNODE       | JOIN         | PRIVILEGE  | TBLOCKS   |
+| BINARY     | DNODES      | KEEP         | QUERIES    | TBNAME    |
+| BITAND     | DOT         | KEY          | QUERY      | TIMES     |
+| BITNOT     | DOUBLE      | KILL         | RAISE      | TIMESTAMP |
+| BITOR      | DROP        | LAST         | REM        | TINYINT   |
+| BOOL       | EACH        | LE           | REPLACE    | TOP       |
+| BOTTOM     | END         | LEASTSQUARES | REPLICA    | TOPIC     |
+| BY         | EQ          | LIKE         | RESET      | TRIGGER   |
+| CACHE      | EXISTS      | LIMIT        | RESTRICT   | UMINUS    |
+| CASCADE    | EXPLAIN     | LINEAR       | ROW        | UPLUS     |
+| CHANGE     | FAIL        | LOCAL        | ROWS       | USE       |
+| CLOG       | FILL        | LP           | RP         | USER      |
+| CLUSTER    | FIRST       | LSHIFT       | RSHIFT     | USERS     |
+| COLON      | FLOAT       | LT           | SCORES     | USING     |
+| COLUMN     | FOR         | MATCH        | SELECT     | VALUES    |
+| COMMA      | FROM        | MAX          | SEMI       | VARIABLE  |
+| COMP       | GE          | METRIC       | SET        | VGROUPS   |
+| CONCAT     | GLOB        | METRICS      | SHOW       | VIEW      |
+| CONFIGS    | GRANTS      | MIN          | SLASH      | WAVG      |
+| CONFLICT   | GROUP       | MINUS        | SLIDING    | WHERE     |
+| CONNECTION | GT          | MNODES       |            |           |