diff --git a/cmd/bee.go b/cmd/bee.go
index 8cf15aa..87ba122 100644
--- a/cmd/bee.go
+++ b/cmd/bee.go
@@ -29,6 +29,7 @@ import (
 	_ "github.com/beego/bee/cmd/commands/pack"
 	_ "github.com/beego/bee/cmd/commands/rs"
 	_ "github.com/beego/bee/cmd/commands/run"
+	_ "github.com/beego/bee/cmd/commands/server"
 	_ "github.com/beego/bee/cmd/commands/version"
 	"github.com/beego/bee/utils"
 )
diff --git a/cmd/commands/generate/generate.go b/cmd/commands/generate/generate.go
index ce874ff..2fa8cbe 100644
--- a/cmd/commands/generate/generate.go
+++ b/cmd/commands/generate/generate.go
@@ -22,7 +22,7 @@ import (
 	"github.com/beego/bee/config"
 	"github.com/beego/bee/generate"
 	"github.com/beego/bee/generate/swaggergen"
-	beeLogger "github.com/beego/bee/logger"
+	"github.com/beego/bee/logger"
 	"github.com/beego/bee/utils"
 )
 
@@ -71,6 +71,7 @@ func init() {
 	CmdGenerate.Flag.Var(&generate.SQLConn, "conn", "Connection string used by the SQLDriver to connect to a database instance.")
 	CmdGenerate.Flag.Var(&generate.Level, "level", "Either 1, 2 or 3. i.e. 1=models; 2=models and controllers; 3=models, controllers and routers.")
 	CmdGenerate.Flag.Var(&generate.Fields, "fields", "List of table Fields.")
+	CmdGenerate.Flag.Var(&generate.DDL, "ddl", "Generate DDL Migration")
 	commands.AvailableCommands = append(commands.AvailableCommands, CmdGenerate)
 }
 
diff --git a/cmd/commands/server/server.go b/cmd/commands/server/server.go
new file mode 100644
index 0000000..8c06574
--- /dev/null
+++ b/cmd/commands/server/server.go
@@ -0,0 +1,76 @@
+// Copyright 2013 bee authors
+//
+// 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 apiapp
+
+import (
+	"net/http"
+
+	beeLogger "github.com/beego/bee/logger"
+
+	"os"
+
+	"github.com/beego/bee/cmd/commands"
+	"github.com/beego/bee/cmd/commands/version"
+	"github.com/beego/bee/utils"
+)
+
+var CmdServer = &commands.Command{
+	// CustomFlags: true,
+	UsageLine: "server [port]",
+	Short:     "serving static content over HTTP on port",
+	Long: `
+  The command 'server' creates a Beego API application.
+`,
+	PreRun: func(cmd *commands.Command, args []string) { version.ShowShortVersionBanner() },
+	Run:    createAPI,
+}
+
+var (
+	a utils.DocValue
+	p utils.DocValue
+	f utils.DocValue
+)
+
+func init() {
+	CmdServer.Flag.Var(&a, "a", "Listen address")
+	CmdServer.Flag.Var(&p, "p", "Listen port")
+	CmdServer.Flag.Var(&f, "f", "Static files fold")
+	commands.AvailableCommands = append(commands.AvailableCommands, CmdServer)
+}
+
+func createAPI(cmd *commands.Command, args []string) int {
+	if len(args) > 0 {
+		err := cmd.Flag.Parse(args[1:])
+		if err != nil {
+			beeLogger.Log.Error(err.Error())
+		}
+	}
+	if a == "" {
+		a = "127.0.0.1"
+	}
+	if p == "" {
+		p = "8080"
+	}
+	if f == "" {
+		cwd, _ := os.Getwd()
+		f = utils.DocValue(cwd)
+	}
+	beeLogger.Log.Infof("Start server on http://%s:%s, static file %s", a, p, f)
+	err := http.ListenAndServe(string(a)+":"+string(p), http.FileServer(http.Dir(f)))
+	if err != nil {
+		beeLogger.Log.Error(err.Error())
+	}
+	return 0
+}
diff --git a/cmd/commands/version/version.go b/cmd/commands/version/version.go
index 563b6dd..a10cc0d 100644
--- a/cmd/commands/version/version.go
+++ b/cmd/commands/version/version.go
@@ -57,7 +57,7 @@ Prints the current Bee, Beego and Go version alongside the platform information.
 }
 var outputFormat string
 
-const version = "1.8.4"
+const version = "1.9.0"
 
 func init() {
 	fs := flag.NewFlagSet("version", flag.ContinueOnError)
diff --git a/generate/g.go b/generate/g.go
index e4260b2..691acc7 100644
--- a/generate/g.go
+++ b/generate/g.go
@@ -21,3 +21,4 @@ var SQLConn utils.DocValue
 var Level utils.DocValue
 var Tables utils.DocValue
 var Fields utils.DocValue
+var DDL utils.DocValue
diff --git a/generate/g_appcode.go b/generate/g_appcode.go
index f575568..155bad5 100644
--- a/generate/g_appcode.go
+++ b/generate/g_appcode.go
@@ -101,6 +101,7 @@ var typeMappingMysql = map[string]string{
 	"decimal":            "float64",
 	"binary":             "string", // binary
 	"varbinary":          "string",
+	"year":               "int16",
 }
 
 // typeMappingPostgres maps SQL data type to corresponding Go data type
@@ -182,6 +183,7 @@ type OrmTag struct {
 	RelFk       bool
 	ReverseMany bool
 	RelM2M      bool
+	Comment     string //column comment
 }
 
 // String returns the source code string for the Table struct
@@ -255,6 +257,9 @@ func (tag *OrmTag) String() string {
 	if len(ormOptions) == 0 {
 		return ""
 	}
+	if tag.Comment != "" {
+		return fmt.Sprintf("`orm:\"%s\" description:\"%s\"`", strings.Join(ormOptions, ";"), tag.Comment)
+	}
 	return fmt.Sprintf("`orm:\"%s\"`", strings.Join(ormOptions, ";"))
 }
 
@@ -298,7 +303,14 @@ func gen(dbms, connStr string, mode byte, selectedTableNames map[string]bool, ap
 	defer db.Close()
 	if trans, ok := dbDriver[dbms]; ok {
 		beeLogger.Log.Info("Analyzing database tables...")
-		tableNames := trans.GetTableNames(db)
+		var tableNames []string
+		if len(selectedTableNames) != 0 {
+			for tableName := range selectedTableNames {
+				tableNames = append(tableNames, tableName)
+			}
+		} else {
+			tableNames = trans.GetTableNames(db)
+		}
 		tables := getTableObjects(tableNames, db, trans)
 		mvcPath := new(MvcPath)
 		mvcPath.ModelPath = path.Join(apppath, "models")
@@ -403,7 +415,7 @@ func (mysqlDB *MysqlDB) GetColumns(db *sql.DB, table *Table, blackList map[strin
 	// retrieve columns
 	colDefRows, err := db.Query(
 		`SELECT
-			column_name, data_type, column_type, is_nullable, column_default, extra
+			column_name, data_type, column_type, is_nullable, column_default, extra, column_comment 
 		FROM
 			information_schema.columns
 		WHERE
@@ -416,12 +428,12 @@ func (mysqlDB *MysqlDB) GetColumns(db *sql.DB, table *Table, blackList map[strin
 
 	for colDefRows.Next() {
 		// datatype as bytes so that SQL <null> values can be retrieved
-		var colNameBytes, dataTypeBytes, columnTypeBytes, isNullableBytes, columnDefaultBytes, extraBytes []byte
-		if err := colDefRows.Scan(&colNameBytes, &dataTypeBytes, &columnTypeBytes, &isNullableBytes, &columnDefaultBytes, &extraBytes); err != nil {
+		var colNameBytes, dataTypeBytes, columnTypeBytes, isNullableBytes, columnDefaultBytes, extraBytes, columnCommentBytes []byte
+		if err := colDefRows.Scan(&colNameBytes, &dataTypeBytes, &columnTypeBytes, &isNullableBytes, &columnDefaultBytes, &extraBytes, &columnCommentBytes); err != nil {
 			beeLogger.Log.Fatal("Could not query INFORMATION_SCHEMA for column information")
 		}
-		colName, dataType, columnType, isNullable, columnDefault, extra :=
-			string(colNameBytes), string(dataTypeBytes), string(columnTypeBytes), string(isNullableBytes), string(columnDefaultBytes), string(extraBytes)
+		colName, dataType, columnType, isNullable, columnDefault, extra, columnComment :=
+			string(colNameBytes), string(dataTypeBytes), string(columnTypeBytes), string(isNullableBytes), string(columnDefaultBytes), string(extraBytes), string(columnCommentBytes)
 
 		// create a column
 		col := new(Column)
@@ -434,6 +446,7 @@ func (mysqlDB *MysqlDB) GetColumns(db *sql.DB, table *Table, blackList map[strin
 		// Tag info
 		tag := new(OrmTag)
 		tag.Column = colName
+		tag.Comment = columnComment
 		if table.Pk == colName {
 			col.Name = "Id"
 			col.Type = "int"
diff --git a/generate/g_migration.go b/generate/g_migration.go
index 56ec063..adb13d0 100644
--- a/generate/g_migration.go
+++ b/generate/g_migration.go
@@ -21,7 +21,7 @@ import (
 	"strings"
 	"time"
 
-	beeLogger "github.com/beego/bee/logger"
+	"github.com/beego/bee/logger"
 	"github.com/beego/bee/logger/colors"
 	"github.com/beego/bee/utils"
 )
@@ -203,11 +203,30 @@ func GenerateMigration(mname, upsql, downsql, curpath string) {
 	fpath := path.Join(migrationFilePath, fmt.Sprintf("%s_%s.go", today, mname))
 	if f, err := os.OpenFile(fpath, os.O_CREATE|os.O_EXCL|os.O_RDWR, 0666); err == nil {
 		defer utils.CloseFile(f)
-		content := strings.Replace(MigrationTPL, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
-		content = strings.Replace(content, "{{CurrTime}}", today, -1)
-		content = strings.Replace(content, "{{UpSQL}}", upsql, -1)
-		content = strings.Replace(content, "{{DownSQL}}", downsql, -1)
-		f.WriteString(content)
+		ddlSpec := ""
+		spec := ""
+		up := ""
+		down := ""
+		if DDL != "" {
+			ddlSpec = "m.ddlSpec()"
+			switch strings.Title(DDL.String()) {
+			case "Create":
+				spec = strings.Replace(DDLSpecCreate, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
+			case "Alter":
+				spec = strings.Replace(DDLSpecAlter, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
+			}
+			spec = strings.Replace(spec, "{{tableName}}", mname, -1)
+		} else {
+			up = strings.Replace(MigrationUp, "{{UpSQL}}", upsql, -1)
+			up = strings.Replace(up, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
+			down = strings.Replace(MigrationDown, "{{DownSQL}}", downsql, -1)
+			down = strings.Replace(down, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
+		}
+
+		header := strings.Replace(MigrationHeader, "{{StructName}}", utils.CamelCase(mname)+"_"+today, -1)
+		header = strings.Replace(header, "{{ddlSpec}}", ddlSpec, -1)
+		header = strings.Replace(header, "{{CurrTime}}", today, -1)
+		f.WriteString(header + spec + up + down)
 		// Run 'gofmt' on the generated source code
 		utils.FormatSourceCode(fpath)
 		fmt.Fprintf(w, "\t%s%screate%s\t %s%s\n", "\x1b[32m", "\x1b[1m", "\x1b[21m", fpath, "\x1b[0m")
@@ -216,33 +235,56 @@ func GenerateMigration(mname, upsql, downsql, curpath string) {
 	}
 }
 
-const MigrationTPL = `package main
+const (
+	MigrationHeader = `package main
+						import (
+							"github.com/astaxie/beego/migration"
+						)
 
-import (
-	"github.com/astaxie/beego/migration"
+						// DO NOT MODIFY
+						type {{StructName}} struct {
+							migration.Migration
+						}
+
+						// DO NOT MODIFY
+						func init() {
+							m := &{{StructName}}{}
+							m.Created = "{{CurrTime}}"
+							{{ddlSpec}}
+							migration.Register("{{StructName}}", m)
+						}
+					   `
+
+	DDLSpecCreate = `
+				/*
+				refer beego/migration/doc.go
+				*/
+				func(m *{{StructName}}) ddlSpec(){
+				m.CreateTable("{{tableName}}", "InnoDB", "utf8")
+				m.PriCol("id").SetAuto(true).SetNullable(false).SetDataType("INT(10)").SetUnsigned(true)
+
+				}
+				`
+	DDLSpecAlter = `
+				/*
+				refer beego/migration/doc.go
+				*/
+				func(m *{{StructName}}) ddlSpec(){
+				m.AlterTable("{{tableName}}")
+
+				}
+				`
+	MigrationUp = `
+				// Run the migrations
+				func (m *{{StructName}}) Up() {
+					// use m.SQL("CREATE TABLE ...") to make schema update
+					{{UpSQL}}
+				}`
+	MigrationDown = `
+				// Reverse the migrations
+				func (m *{{StructName}}) Down() {
+					// use m.SQL("DROP TABLE ...") to reverse schema update
+					{{DownSQL}}
+				}
+				`
 )
-
-// DO NOT MODIFY
-type {{StructName}} struct {
-	migration.Migration
-}
-
-// DO NOT MODIFY
-func init() {
-	m := &{{StructName}}{}
-	m.Created = "{{CurrTime}}"
-	migration.Register("{{StructName}}", m)
-}
-
-// Run the migrations
-func (m *{{StructName}}) Up() {
-	// use m.SQL("CREATE TABLE ...") to make schema update
-	{{UpSQL}}
-}
-
-// Reverse the migrations
-func (m *{{StructName}}) Down() {
-	// use m.SQL("DROP TABLE ...") to reverse schema update
-	{{DownSQL}}
-}
-`
diff --git a/generate/g_model.go b/generate/g_model.go
index e9b917c..abb6285 100644
--- a/generate/g_model.go
+++ b/generate/g_model.go
@@ -167,7 +167,7 @@ func Add{{modelName}}(m *{{modelName}}) (id int64, err error) {
 func Get{{modelName}}ById(id int64) (v *{{modelName}}, err error) {
 	o := orm.NewOrm()
 	v = &{{modelName}}{Id: id}
-	if err = o.Read(v); err == nil {
+	if err = o.QueryTable(new({{modelName}})).Filter("Id", id).RelatedSel().One(v); err == nil {
 		return v, nil
 	}
 	return nil, err
@@ -225,7 +225,7 @@ func GetAll{{modelName}}(query map[string]string, fields []string, sortby []stri
 	}
 
 	var l []{{modelName}}
-	qs = qs.OrderBy(sortFields...)
+	qs = qs.OrderBy(sortFields...).RelatedSel()
 	if _, err = qs.Limit(limit, offset).All(&l, fields...); err == nil {
 		if len(fields) == 0 {
 			for _, v := range l {
diff --git a/generate/swaggergen/g_docs.go b/generate/swaggergen/g_docs.go
index ae8f297..be54679 100644
--- a/generate/swaggergen/g_docs.go
+++ b/generate/swaggergen/g_docs.go
@@ -104,7 +104,11 @@ func ParsePackagesFromDir(dirpath string) {
 				return nil
 			}
 
-			if !strings.Contains(fpath, "vendor") && !strings.Contains(fpath, "tests") {
+			// 7 is length of 'vendor' (6) + length of file path separator (1)
+			// so we skip dir 'vendor' which is directly under dirpath
+			if !(len(fpath) == len(dirpath)+7 && strings.HasSuffix(fpath, "vendor")) &&
+				!strings.Contains(fpath, "tests") &&
+				!(len(fpath) > len(dirpath) && fpath[len(dirpath)+1] == '.') {
 				err = parsePackageFromDir(fpath)
 				if err != nil {
 					// Send the error to through the channel and continue walking
@@ -707,21 +711,23 @@ func parserComments(f *ast.FuncDecl, controllerName, pkgpath string) error {
 			controllerList[pkgpath+controllerName] = make(map[string]*swagger.Item)
 			item = &swagger.Item{}
 		}
-		switch HTTPMethod {
-		case "GET":
-			item.Get = &opts
-		case "POST":
-			item.Post = &opts
-		case "PUT":
-			item.Put = &opts
-		case "PATCH":
-			item.Patch = &opts
-		case "DELETE":
-			item.Delete = &opts
-		case "HEAD":
-			item.Head = &opts
-		case "OPTIONS":
-			item.Options = &opts
+		for _, hm := range strings.Split(HTTPMethod, ",") {
+			switch hm {
+			case "GET":
+				item.Get = &opts
+			case "POST":
+				item.Post = &opts
+			case "PUT":
+				item.Put = &opts
+			case "PATCH":
+				item.Patch = &opts
+			case "DELETE":
+				item.Delete = &opts
+			case "HEAD":
+				item.Head = &opts
+			case "OPTIONS":
+				item.Options = &opts
+			}
 		}
 		controllerList[pkgpath+controllerName][routerPath] = item
 	}