diff --git a/docs/en/12-taos-sql/12-keywords.md b/docs/en/12-taos-sql/12-keywords.md
index ed0c96b4e4d94dd70da1c3778f4129bd34daed62..6d40deb5a696141cbd7bf8dd01bba6a251ef8908 100644
--- a/docs/en/12-taos-sql/12-keywords.md
+++ b/docs/en/12-taos-sql/12-keywords.md
@@ -4,50 +4,275 @@ title: Keywords
 
 There are about 200 keywords reserved by TDengine, they can't be used as the name of database, STable or table with either upper case, lower case or mixed case.
 
-**Keywords List**
-
-|   |            |           |            |              |
-| ----------- | ---------- | --------- | ---------- | ------------ |
-| ABORT       | CREATE     | IGNORE    | NULL       | STAR         |
-| ACCOUNT     | CTIME      | IMMEDIATE | OF         | STATE        |
-| ACCOUNTS    | DATABASE   | IMPORT    | OFFSET     | STATEMENT    |
-| ADD         | DATABASES  | IN        | OR         | STATE_WINDOW |
-| AFTER       | DAYS       | INITIALLY | ORDER      | STORAGE      |
-| ALL         | DBS        | INSERT    | PARTITIONS | STREAM       |
-| ALTER       | DEFERRED   | INSTEAD   | PASS       | STREAMS      |
-| AND         | DELIMITERS | INT       | PLUS       | STRING       |
-| AS          | DESC       | INTEGER   | PPS        | SYNCDB       |
-| ASC         | DESCRIBE   | INTERVAL  | PRECISION  | TABLE        |
-| ATTACH      | DETACH     | INTO      | PREV       | TABLES       |
-| BEFORE      | DISTINCT   | IS        | PRIVILEGE  | TAG          |
-| BEGIN       | DIVIDE     | ISNULL    | QTIME      | TAGS         |
-| BETWEEN     | DNODE      | JOIN      | QUERIES    | TBNAME       |
-| BIGINT      | DNODES     | KEEP      | QUERY      | TIMES        |
-| BINARY      | DOT        | KEY       | QUORUM     | TIMESTAMP    |
-| BITAND      | DOUBLE     | KILL      | RAISE      | TINYINT      |
-| BITNOT      | DROP       | LE        | REM        | TOPIC        |
-| BITOR       | EACH       | LIKE      | REPLACE    | TOPICS       |
-| BLOCKS      | END        | LIMIT     | REPLICA    | TRIGGER      |
-| BOOL        | EQ         | LINEAR    | RESET      | TSERIES      |
-| BY          | EXISTS     | LOCAL     | RESTRICT   | UMINUS       |
-| CACHE       | EXPLAIN    | LP        | ROW        | UNION        |
-| CACHELAST   | FAIL       | LSHIFT    | RP         | UNSIGNED     |
-| CASCADE     | FILE       | LT        | RSHIFT     | UPDATE       |
-| CHANGE      | FILL       | MATCH     | SCORES     | UPLUS        |
-| CLUSTER     | FLOAT      | MAXROWS   | SELECT     | USE          |
-| COLON       | FOR        | MINROWS   | SEMI       | USER         |
-| COLUMN      | FROM       | MINUS     | SESSION    | USERS        |
-| COMMA       | FSYNC      | MNODES    | SET        | USING        |
-| COMP        | GE         | MODIFY    | SHOW       | VALUES       |
-| COMPACT     | GLOB       | MODULES   | SLASH      | VARIABLE     |
-| CONCAT      | GRANTS     | NCHAR     | SLIDING    | VARIABLES    |
-| CONFLICT    | GROUP      | NE        | SLIMIT     | VGROUPS      |
-| CONNECTION  | GT         | NONE      | SMALLINT   | VIEW         |
-| CONNECTIONS | HAVING     | NOT       | SOFFSET    | VNODES       |
-| CONNS       | ID         | NOTNULL   | STable     | WAL          |
-| COPY        | IF         | NOW       | STableS    | WHERE        |
-| _C0         | _QSTART    | _QSTOP    | _QDURATION | _WSTART      |
-| _WSTOP      | _WDURATION | _ROWTS    |
+## Keywords List
+
+### A
+
+- ABORT
+- ACCOUNT
+- ACCOUNTS
+- ADD
+- AFTER
+- ALL
+- ALTER
+- AND
+- AS
+- ASC
+- ATTACH
+
+### B
+
+- BEFORE
+- BEGIN
+- BETWEEN
+- BIGINT
+- BINARY
+- BITAND
+- BITNOT
+- BITOR
+- BLOCKS
+- BOOL
+- BY
+
+### C
+
+- CACHE
+- CACHELAST
+- CASCADE
+- CHANGE
+- CLUSTER
+- COLON
+- COLUMN
+- COMMA
+- COMP
+- COMPACT
+- CONCAT
+- CONFLICT
+- CONNECTION
+- CONNECTIONS
+- CONNS
+- COPY
+- CREATE
+- CTIME
+
+### D
+
+- DATABASE  
+- DATABASES 
+- DAYS      
+- DBS       
+- DEFERRED  
+- DELETE
+- DELIMITERS
+- DESC      
+- DESCRIBE  
+- DETACH    
+- DISTINCT  
+- DIVIDE    
+- DNODE     
+- DNODES    
+- DOT       
+- DOUBLE    
+- DROP  
+
+### E
+
+- END     
+- EQ      
+- EXISTS  
+- EXPLAIN 
+
+### F
+
+- FAIL   
+- FILE   
+- FILL   
+- FLOAT  
+- FOR    
+- FROM   
+- FSYNC  
+
+### G
+
+- GE    
+- GLOB  
+- GRANTS
+- GROUP 
+- GT  
+
+### H
+
+- HAVING 
+
+### I
+
+- ID
+- IF
+- IGNORE 
+- IMMEDIA
+- IMPORT 
+- IN     
+- INITIAL
+- INSERT 
+- INSTEAD
+- INT    
+- INTEGER
+- INTERVA
+- INTO   
+- IS     
+- ISNULL 
+
+### J
+
+- JOIN
+
+### K
+
+- KEEP
+- KEY 
+- KILL
+
+### L
+
+- LE    
+- LIKE  
+- LIMIT 
+- LINEAR
+- LOCAL 
+- LP    
+- LSHIFT
+- LT 
+
+### M
+
+- MATCH    
+- MAXROWS  
+- MINROWS  
+- MINUS    
+- MNODES   
+- MODIFY   
+- MODULES  
+
+### N
+
+- NE     
+- NONE   
+- NOT    
+- NOTNULL
+- NOW    
+- NULL
+
+### O
+
+- OF    
+- OFFSET
+- OR    
+- ORDER 
+
+### P
+
+- PARTITION
+- PASS     
+- PLUS     
+- PPS      
+- PRECISION
+- PREV     
+- PRIVILEGE
+
+### Q
+
+- QTIME 
+- QUERIE
+- QUERY 
+- QUORUM
+
+### R
+
+- RAISE  
+- REM    
+- REPLACE
+- REPLICA
+- RESET  
+- RESTRIC
+- ROW    
+- RP     
+- RSHIFT
+
+### S
+
+- SCORES 
+- SELECT 
+- SEMI   
+- SESSION
+- SET    
+- SHOW   
+- SLASH  
+- SLIDING
+- SLIMIT 
+- SMALLIN
+- SOFFSET
+- STable 
+- STableS
+- STAR    
+- STATE   
+- STATEMEN
+- STATE_WI
+- STORAGE 
+- STREAM  
+- STREAMS 
+- STRING  
+- SYNCDB  
+
+### T
+
+- TABLE     
+- TABLES    
+- TAG       
+- TAGS      
+- TBNAME    
+- TIMES     
+- TIMESTAMP 
+- TINYINT   
+- TOPIC     
+- TOPICS    
+- TRIGGER   
+- TSERIES   
+
+### U
+
+- UMINUS   
+- UNION    
+- UNSIGNED 
+- UPDATE   
+- UPLUS    
+- USE      
+- USER     
+- USERS    
+- USING  
+
+### V
+
+- VALUES   
+- VARIABLE 
+- VARIABLES
+- VGROUPS  
+- VIEW     
+- VNODES   
+
+### W
+
+- WAL
+- WHERE
+
+### _
+
+- _C0
+- _QSTART
+- _QSTOP
+- _QDURATION
+- _WSTART
+- _WSTOP
+- _WDURATION
 
 ## Explanations
 ### TBNAME
diff --git a/docs/zh/12-taos-sql/12-keywords.md b/docs/zh/12-taos-sql/12-keywords.md
index 5c68e5da7e8c537e7514c5f9cfba43084d72189b..202f223b45f23e8cd3af2947bb74543617b680a3 100644
--- a/docs/zh/12-taos-sql/12-keywords.md
+++ b/docs/zh/12-taos-sql/12-keywords.md
@@ -45,48 +45,274 @@ title: TDengine 参数限制与保留关键字
 
 目前 TDengine 有将近 200 个内部保留关键字，这些关键字无论大小写均不可以用作库名、表名、STable 名、数据列名及标签列名等。这些关键字列表如下：
 
-| 关键字列表  |            |           |            |              |
-| ----------- | ---------- | --------- | ---------- | ------------ |
-| ABORT       | CREATE     | IGNORE    | NULL       | STAR         |
-| ACCOUNT     | CTIME      | IMMEDIATE | OF         | STATE        |
-| ACCOUNTS    | DATABASE   | IMPORT    | OFFSET     | STATEMENT    |
-| ADD         | DATABASES  | IN        | OR         | STATE_WINDOW |
-| AFTER       | DAYS       | INITIALLY | ORDER      | STORAGE      |
-| ALL         | DBS        | INSERT    | PARTITIONS | STREAM       |
-| ALTER       | DEFERRED   | INSTEAD   | PASS       | STREAMS      |
-| AND         | DELIMITERS | INT       | PLUS       | STRING       |
-| AS          | DESC       | INTEGER   | PPS        | SYNCDB       |
-| ASC         | DESCRIBE   | INTERVAL  | PRECISION  | TABLE        |
-| ATTACH      | DETACH     | INTO      | PREV       | TABLES       |
-| BEFORE      | DISTINCT   | IS        | PRIVILEGE  | TAG          |
-| BEGIN       | DIVIDE     | ISNULL    | QTIME      | TAGS         |
-| BETWEEN     | DNODE      | JOIN      | QUERIES    | TBNAME       |
-| BIGINT      | DNODES     | KEEP      | QUERY      | TIMES        |
-| BINARY      | DOT        | KEY       | QUORUM     | TIMESTAMP    |
-| BITAND      | DOUBLE     | KILL      | RAISE      | TINYINT      |
-| BITNOT      | DROP       | LE        | REM        | TOPIC        |
-| BITOR       | EACH       | LIKE      | REPLACE    | TOPICS       |
-| BLOCKS      | END        | LIMIT     | REPLICA    | TRIGGER      |
-| BOOL        | EQ         | LINEAR    | RESET      | TSERIES      |
-| BY          | EXISTS     | LOCAL     | RESTRICT   | UMINUS       |
-| CACHE       | EXPLAIN    | LP        | ROW        | UNION        |
-| CACHELAST   | FAIL       | LSHIFT    | RP         | UNSIGNED     |
-| CASCADE     | FILE       | LT        | RSHIFT     | UPDATE       |
-| CHANGE      | FILL       | MATCH     | SCORES     | UPLUS        |
-| CLUSTER     | FLOAT      | MAXROWS   | SELECT     | USE          |
-| COLON       | FOR        | MINROWS   | SEMI       | USER         |
-| COLUMN      | FROM       | MINUS     | SESSION    | USERS        |
-| COMMA       | FSYNC      | MNODES    | SET        | USING        |
-| COMP        | GE         | MODIFY    | SHOW       | VALUES       |
-| COMPACT     | GLOB       | MODULES   | SLASH      | VARIABLE     |
-| CONCAT      | GRANTS     | NCHAR     | SLIDING    | VARIABLES    |
-| CONFLICT    | GROUP      | NE        | SLIMIT     | VGROUPS      |
-| CONNECTION  | GT         | NONE      | SMALLINT   | VIEW         |
-| CONNECTIONS | HAVING     | NOT       | SOFFSET    | VNODES       |
-| CONNS       | ID         | NOTNULL   | STABLE     | WAL          |
-| COPY        | IF         | NOW       | STABLES    | WHERE        |
-| _C0         | _QSTART    | _QSTOP    | _QDURATION | _WSTART      |
-| _WSTOP      | _WDURATION | _ROWTS    |
+### A
+
+- ABORT
+- ACCOUNT
+- ACCOUNTS
+- ADD
+- AFTER
+- ALL
+- ALTER
+- AND
+- AS
+- ASC
+- ATTACH
+
+### B
+
+- BEFORE
+- BEGIN
+- BETWEEN
+- BIGINT
+- BINARY
+- BITAND
+- BITNOT
+- BITOR
+- BLOCKS
+- BOOL
+- BY
+
+### C
+
+- CACHE
+- CACHELAST
+- CASCADE
+- CHANGE
+- CLUSTER
+- COLON
+- COLUMN
+- COMMA
+- COMP
+- COMPACT
+- CONCAT
+- CONFLICT
+- CONNECTION
+- CONNECTIONS
+- CONNS
+- COPY
+- CREATE
+- CTIME
+
+### D
+
+- DATABASE  
+- DATABASES 
+- DAYS      
+- DBS       
+- DEFERRED  
+- DELETE
+- DELIMITERS
+- DESC      
+- DESCRIBE  
+- DETACH    
+- DISTINCT  
+- DIVIDE    
+- DNODE     
+- DNODES    
+- DOT       
+- DOUBLE    
+- DROP  
+
+### E
+
+- END     
+- EQ      
+- EXISTS  
+- EXPLAIN 
+
+### F
+
+- FAIL   
+- FILE   
+- FILL   
+- FLOAT  
+- FOR    
+- FROM   
+- FSYNC  
+
+### G
+
+- GE    
+- GLOB  
+- GRANTS
+- GROUP 
+- GT  
+
+### H
+
+- HAVING 
+
+### I
+
+- ID
+- IF
+- IGNORE 
+- IMMEDIA
+- IMPORT 
+- IN     
+- INITIAL
+- INSERT 
+- INSTEAD
+- INT    
+- INTEGER
+- INTERVA
+- INTO   
+- IS     
+- ISNULL 
+
+### J
+
+- JOIN
+
+### K
+
+- KEEP
+- KEY 
+- KILL
+
+### L
+
+- LE    
+- LIKE  
+- LIMIT 
+- LINEAR
+- LOCAL 
+- LP    
+- LSHIFT
+- LT 
+
+### M
+
+- MATCH    
+- MAXROWS  
+- MINROWS  
+- MINUS    
+- MNODES   
+- MODIFY   
+- MODULES  
+
+### N
+
+- NE     
+- NONE   
+- NOT    
+- NOTNULL
+- NOW    
+- NULL
+
+### O
+
+- OF    
+- OFFSET
+- OR    
+- ORDER 
+
+### P
+
+- PARTITION
+- PASS     
+- PLUS     
+- PPS      
+- PRECISION
+- PREV     
+- PRIVILEGE
+
+### Q
+
+- QTIME 
+- QUERIE
+- QUERY 
+- QUORUM
+
+### R
+
+- RAISE  
+- REM    
+- REPLACE
+- REPLICA
+- RESET  
+- RESTRIC
+- ROW    
+- RP     
+- RSHIFT
+
+### S
+
+- SCORES 
+- SELECT 
+- SEMI   
+- SESSION
+- SET    
+- SHOW   
+- SLASH  
+- SLIDING
+- SLIMIT 
+- SMALLIN
+- SOFFSET
+- STable 
+- STableS
+- STAR    
+- STATE   
+- STATEMEN
+- STATE_WI
+- STORAGE 
+- STREAM  
+- STREAMS 
+- STRING  
+- SYNCDB  
+
+### T
+
+- TABLE     
+- TABLES    
+- TAG       
+- TAGS      
+- TBNAME    
+- TIMES     
+- TIMESTAMP 
+- TINYINT   
+- TOPIC     
+- TOPICS    
+- TRIGGER   
+- TSERIES   
+
+### U
+
+- UMINUS   
+- UNION    
+- UNSIGNED 
+- UPDATE   
+- UPLUS    
+- USE      
+- USER     
+- USERS    
+- USING  
+
+### V
+
+- VALUES   
+- VARIABLE 
+- VARIABLES
+- VGROUPS  
+- VIEW     
+- VNODES   
+
+### W
+
+- WAL
+- WHERE
+
+### _
+
+- _C0
+- _QSTART
+- _QSTOP
+- _QDURATION
+- _WSTART
+- _WSTOP
+- _WDURATION
+
 
 ## 特殊说明
 ### TBNAME