diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/imports/BaseRule.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/BaseRule.g4
index eab6366c7036368be2d315082108c69a2d97f88d..78f4189a250050df5be225252f55c6366d8bf008 100644
--- a/sharding-jdbc-ddl-parser/src/main/antlr4/imports/BaseRule.g4
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/BaseRule.g4
@@ -24,7 +24,11 @@ rangeClause:
 	| NUMBER OFFSET NUMBER
 	;
 
+columnNames:
+	columnName (COMMA columnName)*
+	;
+	
 columnList:
-	LEFT_PAREN columnName (COMMA columnName)* RIGHT_PAREN
+	LEFT_PAREN columnNames RIGHT_PAREN
 	;
 
diff --git a/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerKeyword.g4 b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerKeyword.g4
new file mode 100644
index 0000000000000000000000000000000000000000..a56f08fad01899e2e4b8eed805ceb53ed02d7b27
--- /dev/null
+++ b/sharding-jdbc-ddl-parser/src/main/antlr4/imports/SQLServerKeyword.g4
@@ -0,0 +1,263 @@
+lexer grammar SQLServerKeyword;
+
+import Symbol;
+   
+ADD: A D D;
+ALL: A L L;
+ALTER: A L T E R;
+AND: A N D;
+ANY: A N Y;
+AS: A S;
+ASC: A S C;
+AUTHORIZATION: A U T H O R I Z A T I O N;
+BACKUP: B A C K U P;
+BEGIN: B E G I N;
+BETWEEN: B E T W E E N;
+BREAK: B R E A K;
+BROWSE: B R O W S E;
+BULK: B U L K;
+BY: B Y;
+CASCADE: C A S C A D E;
+CASE: C A S E;
+CHECK: C H E C K;
+CHECKPOINT: C H E C K P O I N T;
+CLOSE: C L O S E;
+CLUSTERED: C L U S T E R E D;
+COALESCE: C O A L E S C E;
+COLLATE: C O L L A T E;
+COLUMN: C O L U M N;
+COMMIT: C O M M I T;
+COMPUTE: C O M P U T E;
+CONSTRAINT: C O N S T R A I N T;
+CONTAINS: C O N T A I N S;
+CONTAINSTABLE: C O N T A I N S T A B L E;
+CONTINUE: C O N T I N U E;
+CONVERT: C O N V E R T;
+CREATE: C R E A T E;
+CROSS: C R O S S;
+CURRENT: C U R R E N T;
+CURRENT_DATE: C U R R E N T UL_ D A T E;
+CURRENT_TIME: C U R R E N T UL_ T I M E;
+CURRENT_TIMESTAMP: C U R R E N T UL_ T I M E S T A M P;
+CURRENT_USER: C U R R E N T UL_ U S E R;
+CURSOR: C U R S O R;
+DATABASE: D A T A B A S E;
+DBCC: D B C C;
+DEALLOCATE: D E A L L O C A T E;
+DECLARE: D E C L A R E;
+DEFAULT: D E F A U L T;
+DELETE: D E L E T E;
+DENY: D E N Y;
+DESC: D E S C;
+DISK: D I S K;
+DISTINCT: D I S T I N C T;
+DISTRIBUTED: D I S T R I B U T E D;
+DOUBLE: D O U B L E;
+DROP: D R O P;
+DUMP: D U M P;
+ELSE: E L S E;
+END: E N D;
+ERRLVL: E R R L V L;
+ESCAPE: E S C A P E;
+EXCEPT: E X C E P T;
+EXEC: E X E C;
+EXECUTE: E X E C U T E;
+EXISTS: E X I S T S;
+EXIT: E X I T;
+EXTERNAL: E X T E R N A L;
+FETCH: F E T C H;
+FILE: F I L E;
+FILLFACTOR: F I L L F A C T O R;
+FOR: F O R;
+FOREIGN: F O R E I G N;
+FREETEXT: F R E E T E X T;
+FREETEXTTABLE: F R E E T E X T T A B L E;
+FROM: F R O M;
+FULL: F U L L;
+FUNCTION: F U N C T I O N;
+GOTO: G O T O;
+GRANT: G R A N T;
+GROUP: G R O U P;
+HAVING: H A V I N G;
+HOLDLOCK: H O L D L O C K;
+IDENTITY: I D E N T I T Y;
+IDENTITYCOL: I D E N T I T Y C O L;
+IDENTITY_INSERT: I D E N T I T Y UL_ I N S E R T;
+IF: I F;
+IN: I N;
+INDEX: I N D E X;
+INNER: I N N E R;
+INSERT: I N S E R T;
+INTERSECT: I N T E R S E C T;
+INTO: I N T O;
+IS: I S;
+JOIN: J O I N;
+KEY: K E Y;
+KILL: K I L L;
+LEFT: L E F T;
+LIKE: L I K E;
+LINENO: L I N E N O;
+LOAD: L O A D;
+MERGE: M E R G E;
+NATIONAL: N A T I O N A L;
+NOCHECK: N O C H E C K;
+NONCLUSTERED: N O N C L U S T E R E D;
+NOT: N O T;
+NULL: N U L L;
+NULLIF: N U L L I F;
+OF: O F;
+OFF: O F F;
+OFFSETS: O F F S E T S;
+ON: O N;
+OPEN: O P E N;
+OPENDATASOURCE: O P E N D A T A S O U R C E;
+OPENQUERY: O P E N Q U E R Y;
+OPENROWSET: O P E N R O W S E T;
+OPENXML: O P E N X M L;
+OPTION: O P T I O N;
+OR: O R;
+ORDER: O R D E R;
+OUTER: O U T E R;
+OVER: O V E R;
+PERCENT: P E R C E N T;
+PIVOT: P I V O T;
+PLAN: P L A N;
+PRECISION: P R E C I S I O N;
+PRIMARY: P R I M A R Y;
+PRINT: P R I N T;
+PROCEDURE: P R O C E D U R E;
+PUBLIC: P U B L I C;
+RAISERROR: R A I S E R R O R;
+READ: R E A D;
+READTEXT: R E A D T E X T;
+RECONFIGURE: R E C O N F I G U R E;
+REFERENCES: R E F E R E N C E S;
+REPLICATION: R E P L I C A T I O N;
+RESTORE: R E S T O R E;
+RESTRICT: R E S T R I C T;
+RETURN: R E T U R N;
+REVERT: R E V E R T;
+REVOKE: R E V O K E;
+RIGHT: R I G H T;
+ROLLBACK: R O L L B A C K;
+ROWCOUNT: R O W C O U N T;
+ROWGUIDCOL: R O W G U I D C O L;
+RULE: R U L E;
+SAVE: S A V E;
+SCHEMA: S C H E M A;
+SECURITYAUDIT: S E C U R I T Y A U D I T;
+SELECT: S E L E C T;
+SEMANTICKEYPHRASETABLE: S E M A N T I C K E Y P H R A S E T A B L E;
+SEMANTICSIMILARITYDETAILSTABLE: S E M A N T I C S I M I L A R I T Y D E T A I L S T A B L E;
+SEMANTICSIMILARITYTABLE: S E M A N T I C S I M I L A R I T Y T A B L E;
+SESSION_USER: S E S S I O N UL_ U S E R;
+SET: S E T;
+SETUSER: S E T U S E R;
+SHUTDOWN: S H U T D O W N;
+SOME: S O M E;
+STATISTICS: S T A T I S T I C S;
+SYSTEM_USER: S Y S T E M UL_ U S E R;
+TABLE: T A B L E;
+TABLESAMPLE: T A B L E S A M P L E;
+TEXTSIZE: T E X T S I Z E;
+THEN: T H E N;
+TO: T O;
+TOP: T O P;
+TRAN: T R A N;
+TRANSACTION: T R A N S A C T I O N;
+TRIGGER: T R I G G E R;
+TRUNCATE: T R U N C A T E;
+TRY_CONVERT: T R Y UL_ C O N V E R T;
+TSEQUAL: T S E Q U A L;
+UNION: U N I O N;
+UNIQUE: U N I Q U E;
+UNPIVOT: U N P I V O T;
+UPDATE: U P D A T E;
+UPDATETEXT: U P D A T E T E X T;
+USE: U S E;
+USER: U S E R;
+VALUES: V A L U E S;
+VARYING: V A R Y I N G;
+VIEW: V I E W;
+WAITFOR: W A I T F O R;
+WHEN: W H E N;
+WHERE: W H E R E;
+WHILE: W H I L E;
+WITH: W I T H;
+WITHIN: W I T H I N;
+WRITETEXT: W R I T E T E X T;
+
+
+FILETABLE:F I L E T A B L E;
+ACTION: A C T I O N;
+AEAD_AES_: A E A D UL_ A E S UL_;
+ALGORITHM: A L G O R I T H M;
+ALLOW_PAGE_LOCKS: A L L O W UL_ P A G E UL_ L O C K S;
+ALLOW_ROW_LOCKS: A L L O W UL_ R O W UL_ L O C K S;
+ALL_SPARSE_COLUMNS: A L L UL_ S P A R S E UL_ C O L U M N S;
+ALWAYS: A L W A Y S;
+BUCKET_COUNT: B U C K E T UL_ C O U N T;
+CBC_HMAC_SHA_: C B C UL_ H M A C UL_ S H A UL_;
+COLUMNSTORE: C O L U M N S T O R E;
+COLUMNSTORE_ARCHIVE: C O L U M N S T O R E UL_ A R C H I V E;
+COLUMN_ENCRYPTION_KEY: C O L U M N UL_ E N C R Y P T I O N UL_ K E Y;
+COLUMN_SET: C O L U M N UL_ S E T;
+COMPRESSION_DELAY: C O M P R E S S I O N UL_ D E L A Y;
+CONTENT: C O N T E N T;
+DATA_COMPRESSION: D A T A UL_ C O M P R E S S I O N;
+DATA_CONSISTENCY_CHECK: D A T A UL_ C O N S I S T E N C Y UL_ C H E C K;
+DETERMINISTIC: D E T E R M I N I S T I C;
+DOCUMENT: D O C U M E N T;
+DURABILITY: D U R A B I L I T Y;
+ENCRYPTED: E N C R Y P T E D;
+ENCRYPTION_TYPE: E N C R Y P T I O N UL_ T Y P E;
+FILESTREAM: F I L E S T R E A M;
+FILESTREAM_ON: F I L E S T R E A M UL_ O N;
+FILETABLE_COLLATE_FILENAME: F I L E T A B L E UL_ C O L L A T E UL_ F I L E N A M E;
+FILETABLE_DIRECTORY: F I L E T A B L E UL_ D I R E C T O R Y;
+FILETABLE_FULLPATH_UNIQUE_CONSTRAINT_NAME: F I L E T A B L E UL_ F U L L P A T H UL_ U N I Q U E UL_ C O N S T R A I N T UL_ N A M E;
+FILETABLE_PRIMARY_KEY_CONSTRAINT_NAME: F I L E T A B L E UL_ P R I M A R Y UL_ K E Y UL_ C O N S T R A I N T UL_ N A M E;
+FILETABLE_STREAMID_UNIQUE_CONSTRAINT_NAME: F I L E T A B L E UL_ S T R E A M I D UL_ U N I Q U E UL_ C O N S T R A I N T UL_ N A M E;
+FILTER_PREDICATE: F I L T E R UL_ P R E D I C A T E;
+GENERATED: G E N E R A T E D;
+HASH: H A S H;
+HIDDEN_: H I D D E N;
+HISTORY_TABLE: H I S T O R Y UL_ T A B L E;
+IGNORE_DUP_KEY: I G N O R E UL_ D U P UL_ K E Y;
+INBOUND: I N B O U N D;
+MASKED: M A S K E D;
+MEMORY_OPTIMIZED: M E M O R Y UL_ O P T I M I Z E D;
+MIGRATION_STATE: M I G R A T I O N UL_ S T A T E;
+NO: N O;
+NONE: N O N E;
+OUTBOUND: O U T B O U N D;
+PAD_INDEX: P A D UL_ I N D E X;
+PAGE: P A G E;
+PARTITIONS: P A R T I T I O N S;
+PAUSED: P A U S E D;
+PERIOD: P E R I O D;
+PERSISTED: P E R S I S T E D;
+RANDOMIZED: R A N D O M I Z E D;
+REMOTE_DATA_ARCHIVE: R E M O T E UL_ D A T A UL_ A R C H I V E;
+ROW: R O W;
+SCHEMA_AND_DATA: S C H E M A UL_ A N D UL_ D A T A;
+SCHEMA_ONLY: S C H E M A UL_ O N L Y;
+SPARSE: S P A R S E;
+START: S T A R T;
+STATISTICS_INCREMENTAL: S T A T I S T I C S UL_ I N C R E M E N T A L;
+STATISTICS_NORECOMPUTE: S T A T I S T I C S UL_ N O R E C O M P U T E;
+SYSTEM_TIME: S Y S T E M UL_ T I M E;
+SYSTEM_VERSIONING: S Y S T E M UL_ V E R S I O N I N G;
+TEXTIMAGE_ON: T E X T I M A G E UL_ O N;
+XML: X M L;
+MINUTES: M I N U T E S;
+DATABASE_DEAULT: D A T A B A S E UL_ D E A U L T;
+FOLLOWING: F O L L O W I N G;
+PARTITION: P A R T I T I O N;
+PRECEDING: P R E C E D I N G;
+RANGE: R A N G E;
+ROWS: R O W S;
+UNBOUNDED: U N B O U N D E D;
+ZONE: Z O N E;
+CAST: C A S T;
+MAX: M A X;
\ No newline at end of file