diff --git a/chain.go b/chain.go
index 7198141..0cfb3e6 100644
--- a/chain.go
+++ b/chain.go
@@ -29,25 +29,31 @@ type Query struct {
 	stmt      *sql.Stmt
 	conn      *sql.DB
 	debug     bool
+	dbtype    string
 }
 
 func NewQuery(t ...string) *Query {
 
 	var conn_type *sql.DB = DB
 
+	var db_type string = "mysql"
+
 	if len(t) > 0 {
 		switch t[0] {
 		case "mysql":
 			conn_type = DB
+			db_type = "mysql"
 
 		case "mssql": //sql server
 			conn_type = MSDB_CONN
+			db_type = "mssql"
 
 		}
 	}
 
 	return &Query{
-		conn: conn_type,
+		conn:   conn_type,
+		dbtype: db_type,
 	}
 }
 
@@ -149,7 +155,7 @@ func (this *Query) QueryStmt() error {
 		return errors.New("参数错误，没有数据表")
 	}
 
-	table := getTableName(this.dbname, this.table)
+	table := getTableName(this.dbname, this.table, this.dbtype)
 
 	// var err error
 
@@ -174,9 +180,9 @@ func (this *Query) QueryStmt() error {
 				continue
 			}
 			if len(joinitem) == 3 {
-				sql = helper.StringJoin(sql, " ", joinitem[2], " join ", getTableName(this.dbname, joinitem[0]), " on ", joinitem[1])
+				sql = helper.StringJoin(sql, " ", joinitem[2], " join ", getTableName(this.dbname, joinitem[0], this.dbtype), " on ", joinitem[1])
 			} else { //默认左连接
-				sql = helper.StringJoin(sql, " left join ", getTableName(this.dbname, joinitem[0]), " on ", joinitem[1])
+				sql = helper.StringJoin(sql, " left join ", getTableName(this.dbname, joinitem[0], this.dbtype), " on ", joinitem[1])
 			}
 		}
 	}
@@ -250,7 +256,7 @@ func (this *Query) UpdateStmt() error {
 		return errors.New("参数错误，缺少条件")
 	}
 
-	dbName := getTableName(this.dbname, this.table)
+	dbName := getTableName(this.dbname, this.table, this.dbtype)
 
 	var sql string
 
@@ -294,7 +300,7 @@ func (this *Query) CreateStmt() error {
 		return errors.New("参数错误，没有数据表")
 	}
 
-	dbName := getTableName(this.dbname, this.table)
+	dbName := getTableName(this.dbname, this.table, this.dbtype)
 
 	var sql string
 
@@ -339,7 +345,7 @@ func (this *Query) DeleteStmt() error {
 		return errors.New("参数错误，缺少条件")
 	}
 
-	dbName := getTableName(this.dbname, this.table)
+	dbName := getTableName(this.dbname, this.table, this.dbtype)
 
 	var sql string
 
diff --git a/conn.go b/conn.go
index 54882b2..b010bd1 100755
--- a/conn.go
+++ b/conn.go
@@ -58,16 +58,36 @@ func CloseConn() error {
 /**
  * 检测表名
  */
-func getTableName(dbName, table string) string {
+func getTableName(dbName, table string, dbtype ...string) string {
 
-	if strings.Contains(table, ".") {
-		return table
+	var db_type string = "mysql"
+
+	if len(dbtype) > 0 {
+		if dbtype[0] != "" {
+			db_type = dbtype[0]
+		}
 	}
-	if dbName != "" {
-		return helper.StringJoin(dbName, ".", table)
-	} else {
-		return table
+
+	var ret string
+
+	switch db_type {
+
+	case "mysql":
+
+		if strings.Contains(table, ".") {
+			ret = table
+		}
+		if dbName != "" {
+			ret = helper.StringJoin(dbName, ".", table)
+		} else {
+			ret = table
+		}
+
+	case "mssql":
+		ret = helper.StringJoin(dbName, ".", table)
+
 	}
+	return ret
 }
 
 func GetDbTableName(dbName, table string) string {
diff --git a/sqlserver.go b/sqlserver.go
index 8675d26..c8cc099 100644
--- a/sqlserver.go
+++ b/sqlserver.go
@@ -4,6 +4,7 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
+	"strconv"
 
 	"log"
 
@@ -26,7 +27,9 @@ func MSConnect(DBHOST, DBUSER, DBPWD, DBNAME, DBPORT string, conns ...int) error
 
 			//连接字符串
 
-			connString := fmt.Sprintf("server=%s;port%d;database=%s;user id=%s;password=%s", DBHOST, DBPORT, DBNAME, DBUSER, DBPWD)
+			db_port, _ := strconv.Atoi(DBPORT)
+
+			connString := fmt.Sprintf("server=%s;port=%d;database=%s;user id=%s;password=%s", DBHOST, db_port, DBNAME, DBUSER, DBPWD)
 
 			log.Println(connString)
 
@@ -39,7 +42,9 @@ func MSConnect(DBHOST, DBUSER, DBPWD, DBNAME, DBPORT string, conns ...int) error
 				time.Sleep(time.Second * 5)
 			} else {
 
-				log.Println("msdb connected")
+				err = MSDB_CONN.Ping()
+
+				log.Println("msdb connected", err)
 
 				break
 			}