diff --git a/src/main/java/com/alibaba/druid/sql/dialect/sqlserver/parser/SQLServerExprParser.java b/src/main/java/com/alibaba/druid/sql/dialect/sqlserver/parser/SQLServerExprParser.java
index 11e34336aa..d71c1631d6 100644
--- a/src/main/java/com/alibaba/druid/sql/dialect/sqlserver/parser/SQLServerExprParser.java
+++ b/src/main/java/com/alibaba/druid/sql/dialect/sqlserver/parser/SQLServerExprParser.java
@@ -198,16 +198,19 @@ public class SQLServerExprParser extends SQLExprParser {
     public SQLColumnDefinition parseColumnRest(SQLColumnDefinition column) {
         if (lexer.token() == Token.IDENTITY) {
             lexer.nextToken();
-            accept(Token.LPAREN);
-
-            SQLIntegerExpr seed = (SQLIntegerExpr) this.primary();
-            accept(Token.COMMA);
-            SQLIntegerExpr increment = (SQLIntegerExpr) this.primary();
-            accept(Token.RPAREN);
 
             SQLColumnDefinition.Identity identity = new SQLColumnDefinition.Identity();
-            identity.setSeed((Integer) seed.getNumber());
-            identity.setIncrement((Integer) increment.getNumber());
+            if (lexer.token() == Token.LPAREN) {
+                lexer.nextToken();
+    
+                SQLIntegerExpr seed = (SQLIntegerExpr) this.primary();
+                accept(Token.COMMA);
+                SQLIntegerExpr increment = (SQLIntegerExpr) this.primary();
+                accept(Token.RPAREN);
+                
+                identity.setSeed((Integer) seed.getNumber());
+                identity.setIncrement((Integer) increment.getNumber());
+            }
 
             if (lexer.token() == Token.NOT) {
                 lexer.nextToken();
diff --git a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
index 0294536142..c7cfb02591 100644
--- a/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
+++ b/src/main/java/com/alibaba/druid/sql/visitor/SQLASTOutputVisitor.java
@@ -1014,11 +1014,14 @@ public class SQLASTOutputVisitor extends SQLASTVisitorAdapter implements Printab
 
     @Override
     public boolean visit(SQLColumnDefinition.Identity x) {
-        print0(ucase ? "IDENTITY (" : "identity (");
-        print(x.getSeed());
-        print0(", ");
-        print(x.getIncrement());
-        print(')');
+        print0(ucase ? "IDENTITY" : "identity");
+        if (x.getSeed() != null) {
+            print0(" (");
+            print(x.getSeed());
+            print0(", ");
+            print(x.getIncrement());
+            print(')');
+        }
         return false;
     }
 
diff --git a/src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerCreateTableTest_7.java b/src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerCreateTableTest_7.java
new file mode 100644
index 0000000000..6de6a54cdf
--- /dev/null
+++ b/src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerCreateTableTest_7.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.sqlserver;
+
+import java.util.List;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.ast.statement.SQLCreateTableStatement;
+import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
+import com.alibaba.druid.sql.dialect.sqlserver.visitor.SQLServerSchemaStatVisitor;
+import com.alibaba.druid.stat.TableStat;
+import com.alibaba.druid.stat.TableStat.Column;
+import com.alibaba.druid.util.JdbcConstants;
+
+public class SQLServerCreateTableTest_7 extends TestCase {
+
+    public void test_0() throws Exception {
+        String sql = "create table leave_jpa ("
+                + " id bigint identity not null, "
+                + " user_id varchar(255), "
+                + " primary key (id)"
+                + ")";
+
+        SQLServerStatementParser parser = new SQLServerStatementParser(sql);
+        List<SQLStatement> statementList = parser.parseStatementList();
+        SQLCreateTableStatement stmt = (SQLCreateTableStatement) statementList.get(0);
+
+        Assert.assertEquals(1, statementList.size());
+
+        String output = SQLUtils.toSQLString(stmt, JdbcConstants.SQL_SERVER);
+        Assert.assertEquals("CREATE TABLE leave_jpa ("
+                + "\n\tid bigint DEFAULT NULL IDENTITY,"
+                + "\n\tuser_id varchar(255),"
+                + "\n\tPRIMARY KEY (id)"
+                + "\n)", output);
+
+        SQLServerSchemaStatVisitor visitor = new SQLServerSchemaStatVisitor();
+        stmt.accept(visitor);
+
+//        System.out.println("Tables : " + visitor.getTables());
+//        System.out.println("fields : " + visitor.getColumns());
+//        System.out.println("coditions : " + visitor.getConditions());
+//        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(2, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("leave_jpa")));
+
+        Assert.assertTrue(visitor.getColumns().contains(new Column("leave_jpa", "id")));
+        Assert.assertTrue(visitor.getColumns().contains(new Column("leave_jpa", "user_id")));
+    }
+}