diff --git a/adapter/cache/cache.go b/adapter/cache/cache.go
index 0465e4c1..bad35cfe 100644
--- a/adapter/cache/cache.go
+++ b/adapter/cache/cache.go
@@ -47,23 +47,23 @@ import (
 //	c.Incr("counter")  // now is 2
 //	count := c.Get("counter").(int)
 type Cache interface {
-	// get cached value by key.
+	// Get will get cached value by key.
 	Get(key string) interface{}
 	// GetMulti is a batch version of Get.
 	GetMulti(keys []string) []interface{}
-	// set cached value with key and expire time.
+	// Put will set cached value with key and expire time.
 	Put(key string, val interface{}, timeout time.Duration) error
-	// delete cached value by key.
+	// Delete will delete cached value by key.
 	Delete(key string) error
-	// increase cached int value by key, as a counter.
+	// Incr will increase cached int value by key, as a counter.
 	Incr(key string) error
-	// decrease cached int value by key, as a counter.
+	// Decr will decrease cached int value by key, as a counter.
 	Decr(key string) error
-	// check if cached value exists or not.
+	// IsExist can check if cached value exists or not.
 	IsExist(key string) bool
-	// clear all cache.
+	// ClearAll will clear all cache.
 	ClearAll() error
-	// start gc routine based on config string settings.
+	// StartAndGC will start gc routine based on config string settings.
 	StartAndGC(config string) error
 }
 
diff --git a/adapter/doc.go b/adapter/doc.go
index c8f2174c..ef4bdffd 100644
--- a/adapter/doc.go
+++ b/adapter/doc.go
@@ -12,5 +12,5 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// used to keep compatible with v1.x
+// Package adapter used to keep compatible with v1.x
 package adapter
diff --git a/adapter/logs/log.go b/adapter/logs/log.go
index fc0fdc62..3cedfdde 100644
--- a/adapter/logs/log.go
+++ b/adapter/logs/log.go
@@ -158,7 +158,7 @@ func (bl *BeeLogger) EnableFuncCallDepth(b bool) {
 	(*logs.BeeLogger)(bl).EnableFuncCallDepth(b)
 }
 
-// set prefix
+// SetPrefix will set prefix
 func (bl *BeeLogger) SetPrefix(s string) {
 	(*logs.BeeLogger)(bl).SetPrefix(s)
 }
diff --git a/adapter/orm/orm.go b/adapter/orm/orm.go
index fd3c3d25..0ebe478e 100644
--- a/adapter/orm/orm.go
+++ b/adapter/orm/orm.go
@@ -12,6 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+//go:build go1.8
 // +build go1.8
 
 // Package orm provide ORM for MySQL/PostgreSQL/sqlite
@@ -92,7 +93,7 @@ type ormer struct {
 
 var _ Ormer = new(ormer)
 
-// read data to model
+// Read read data to model
 func (o *ormer) Read(md interface{}, cols ...string) error {
 	if o.isTx {
 		return o.txDelegate.Read(md, cols...)
@@ -100,7 +101,7 @@ func (o *ormer) Read(md interface{}, cols ...string) error {
 	return o.delegate.Read(md, cols...)
 }
 
-// read data to model, like Read(), but use "SELECT FOR UPDATE" form
+// ReadForUpdate read data to model, like Read(), but use "SELECT FOR UPDATE" form
 func (o *ormer) ReadForUpdate(md interface{}, cols ...string) error {
 	if o.isTx {
 		return o.txDelegate.ReadForUpdate(md, cols...)
@@ -108,7 +109,7 @@ func (o *ormer) ReadForUpdate(md interface{}, cols ...string) error {
 	return o.delegate.ReadForUpdate(md, cols...)
 }
 
-// Try to read a row from the database, or insert one if it doesn't exist
+// ReadOrCreate Try to read a row from the database, or insert one if it doesn't exist
 func (o *ormer) ReadOrCreate(md interface{}, col1 string, cols ...string) (bool, int64, error) {
 	if o.isTx {
 		return o.txDelegate.ReadOrCreate(md, col1, cols...)
@@ -116,7 +117,7 @@ func (o *ormer) ReadOrCreate(md interface{}, col1 string, cols ...string) (bool,
 	return o.delegate.ReadOrCreate(md, col1, cols...)
 }
 
-// insert model data to database
+// Insert will insert model data to database
 func (o *ormer) Insert(md interface{}) (int64, error) {
 	if o.isTx {
 		return o.txDelegate.Insert(md)
@@ -124,7 +125,7 @@ func (o *ormer) Insert(md interface{}) (int64, error) {
 	return o.delegate.Insert(md)
 }
 
-// insert some models to database
+// InsertMulti will insert some models to database
 func (o *ormer) InsertMulti(bulk int, mds interface{}) (int64, error) {
 	if o.isTx {
 		return o.txDelegate.InsertMulti(bulk, mds)
@@ -140,7 +141,7 @@ func (o *ormer) InsertOrUpdate(md interface{}, colConflitAndArgs ...string) (int
 	return o.delegate.InsertOrUpdate(md, colConflitAndArgs...)
 }
 
-// update model to database.
+// Update will update model to database.
 // cols set the columns those want to update.
 func (o *ormer) Update(md interface{}, cols ...string) (int64, error) {
 	if o.isTx {
@@ -149,7 +150,7 @@ func (o *ormer) Update(md interface{}, cols ...string) (int64, error) {
 	return o.delegate.Update(md, cols...)
 }
 
-// delete model in database
+// Delete delete model in database
 // cols shows the delete conditions values read from. default is pk
 func (o *ormer) Delete(md interface{}, cols ...string) (int64, error) {
 	if o.isTx {
@@ -158,7 +159,7 @@ func (o *ormer) Delete(md interface{}, cols ...string) (int64, error) {
 	return o.delegate.Delete(md, cols...)
 }
 
-// create a models to models queryer
+// QueryM2M create a models to models queryer
 func (o *ormer) QueryM2M(md interface{}, name string) QueryM2Mer {
 	if o.isTx {
 		return o.txDelegate.QueryM2M(md, name)
@@ -166,7 +167,7 @@ func (o *ormer) QueryM2M(md interface{}, name string) QueryM2Mer {
 	return o.delegate.QueryM2M(md, name)
 }
 
-// load related models to md model.
+// LoadRelated load related models to md model.
 // args are limit, offset int and order string.
 //
 // example:
@@ -200,7 +201,7 @@ func (o *ormer) LoadRelated(md interface{}, name string, args ...interface{}) (i
 	return o.delegate.LoadRelated(md, name, kvs...)
 }
 
-// return a QuerySeter for table operations.
+// QueryTable return a QuerySeter for table operations.
 // table name can be string or struct.
 // e.g. QueryTable("user"), QueryTable(&user{}) or QueryTable((*User)(nil)),
 func (o *ormer) QueryTable(ptrStructOrTableName interface{}) (qs QuerySeter) {
@@ -210,7 +211,7 @@ func (o *ormer) QueryTable(ptrStructOrTableName interface{}) (qs QuerySeter) {
 	return o.delegate.QueryTable(ptrStructOrTableName)
 }
 
-// switch to another registered database driver by given name.
+// Using switch to another registered database driver by given name.
 func (o *ormer) Using(name string) error {
 	if o.isTx {
 		return ErrTxHasBegan
@@ -219,7 +220,7 @@ func (o *ormer) Using(name string) error {
 	return nil
 }
 
-// begin transaction
+// Begin will begin transaction
 func (o *ormer) Begin() error {
 	if o.isTx {
 		return ErrTxHasBegan
@@ -240,7 +241,7 @@ func (o *ormer) BeginTx(ctx context.Context, opts *sql.TxOptions) error {
 	return nil
 }
 
-// commit transaction
+// Commit will commit transaction
 func (o *ormer) Commit() error {
 	if !o.isTx {
 		return ErrTxDone
@@ -255,7 +256,7 @@ func (o *ormer) Commit() error {
 	return err
 }
 
-// rollback transaction
+// Rollback will rollback transaction
 func (o *ormer) Rollback() error {
 	if !o.isTx {
 		return ErrTxDone
@@ -270,7 +271,7 @@ func (o *ormer) Rollback() error {
 	return err
 }
 
-// return a raw query seter for raw sql string.
+// Raw return a raw query seter for raw sql string.
 func (o *ormer) Raw(query string, args ...interface{}) RawSeter {
 	if o.isTx {
 		return o.txDelegate.Raw(query, args...)
@@ -278,7 +279,7 @@ func (o *ormer) Raw(query string, args ...interface{}) RawSeter {
 	return o.delegate.Raw(query, args...)
 }
 
-// return current using database Driver
+// Driver return current using database Driver
 func (o *ormer) Driver() Driver {
 	if o.isTx {
 		return o.txDelegate.Driver()
@@ -286,7 +287,7 @@ func (o *ormer) Driver() Driver {
 	return o.delegate.Driver()
 }
 
-// return sql.DBStats for current database
+// DBStats return sql.DBStats for current database
 func (o *ormer) DBStats() *sql.DBStats {
 	if o.isTx {
 		return o.txDelegate.DBStats()
diff --git a/adapter/orm/orm_log.go b/adapter/orm/orm_log.go
index 98c1522e..1faab4ba 100644
--- a/adapter/orm/orm_log.go
+++ b/adapter/orm/orm_log.go
@@ -23,7 +23,7 @@ import (
 // Log implement the log.Logger
 type Log orm.Log
 
-// costomer log func
+// LogFunc is costomer log func
 var LogFunc = orm.LogFunc
 
 // NewLog set io.Writer to create a Logger.
diff --git a/adapter/orm/types.go b/adapter/orm/types.go
index 428f8b14..ecc4d6f4 100644
--- a/adapter/orm/types.go
+++ b/adapter/orm/types.go
@@ -35,7 +35,7 @@ type Fielder orm.Fielder
 
 // Ormer define the orm interface
 type Ormer interface {
-	// read data to model
+	// Read read data to model
 	// for example:
 	//	this will find User by Id field
 	// 	u = &User{Id: user.Id}
@@ -44,25 +44,25 @@ type Ormer interface {
 	// 	u = &User{UserName: "astaxie", Password: "pass"}
 	//	err = Ormer.Read(u, "UserName")
 	Read(md interface{}, cols ...string) error
-	// Like Read(), but with "FOR UPDATE" clause, useful in transaction.
+	// ReadForUpdate Like Read(), but with "FOR UPDATE" clause, useful in transaction.
 	// Some databases are not support this feature.
 	ReadForUpdate(md interface{}, cols ...string) error
-	// Try to read a row from the database, or insert one if it doesn't exist
+	// ReadOrCreate Try to read a row from the database, or insert one if it doesn't exist
 	ReadOrCreate(md interface{}, col1 string, cols ...string) (bool, int64, error)
-	// insert model data to database
+	// Insert will insert model data to database
 	// for example:
 	//  user := new(User)
 	//  id, err = Ormer.Insert(user)
 	//  user must be a pointer and Insert will set user's pk field
 	Insert(interface{}) (int64, error)
-	// mysql:InsertOrUpdate(model) or InsertOrUpdate(model,"colu=colu+value")
+	// InsertOrUpdate(model,"colu=colu+value") or mysql:InsertOrUpdate(model)
 	// if colu type is integer : can use(+-*/), string : convert(colu,"value")
 	// postgres: InsertOrUpdate(model,"conflictColumnName") or InsertOrUpdate(model,"conflictColumnName","colu=colu+value")
 	// if colu type is integer : can use(+-*/), string : colu || "value"
 	InsertOrUpdate(md interface{}, colConflitAndArgs ...string) (int64, error)
-	// insert some models to database
+	// InsertMulti insert some models to database
 	InsertMulti(bulk int, mds interface{}) (int64, error)
-	// update model to database.
+	// Update update model to database.
 	// cols set the columns those want to update.
 	// find model by Id(pk) field and update columns specified by fields, if cols is null then update all columns
 	// for example:
@@ -72,9 +72,9 @@ type Ormer interface {
 	//	user.Extra.Data = "orm"
 	//	num, err = Ormer.Update(&user, "Langs", "Extra")
 	Update(md interface{}, cols ...string) (int64, error)
-	// delete model in database
+	// Delete delete model in database
 	Delete(md interface{}, cols ...string) (int64, error)
-	// load related models to md model.
+	// LoadRelated load related models to md model.
 	// args are limit, offset int and order string.
 	//
 	// example:
@@ -87,25 +87,25 @@ type Ormer interface {
 	// args[3] string order  for example : "-Id"
 	// make sure the relation is defined in model struct tags.
 	LoadRelated(md interface{}, name string, args ...interface{}) (int64, error)
-	// create a models to models queryer
+	// QueryM2M create a models to models queryer
 	// for example:
 	// 	post := Post{Id: 4}
 	// 	m2m := Ormer.QueryM2M(&post, "Tags")
 	QueryM2M(md interface{}, name string) QueryM2Mer
-	// return a QuerySeter for table operations.
+	// QueryTable return a QuerySeter for table operations.
 	// table name can be string or struct.
 	// e.g. QueryTable("user"), QueryTable(&user{}) or QueryTable((*User)(nil)),
 	QueryTable(ptrStructOrTableName interface{}) QuerySeter
 	// switch to another registered database driver by given name.
 	Using(name string) error
-	// begin transaction
+	// Begin begin transaction
 	// for example:
 	// 	o := NewOrm()
 	// 	err := o.Begin()
 	// 	...
 	// 	err = o.Rollback()
 	Begin() error
-	// begin transaction with provided context and option
+	// BeginTx begin transaction with provided context and option
 	// the provided context is used until the transaction is committed or rolled back.
 	// if the context is canceled, the transaction will be rolled back.
 	// the provided TxOptions is optional and may be nil if defaults should be used.
@@ -116,11 +116,11 @@ type Ormer interface {
 	//  ...
 	//  err = o.Rollback()
 	BeginTx(ctx context.Context, opts *sql.TxOptions) error
-	// commit transaction
+	// Commit commit transaction
 	Commit() error
-	// rollback transaction
+	// Rollback rollback transaction
 	Rollback() error
-	// return a raw query seter for raw sql string.
+	// Raw return a raw query seter for raw sql string.
 	// for example:
 	//	 ormer.Raw("UPDATE `user` SET `user_name` = ? WHERE `user_name` = ?", "slene", "testing").Exec()
 	//	// update user testing's name to slene
diff --git a/adapter/orm/utils.go b/adapter/orm/utils.go
index cd54f867..a88836c3 100644
--- a/adapter/orm/utils.go
+++ b/adapter/orm/utils.go
@@ -246,7 +246,7 @@ func camelString(s string) string {
 
 type argString []string
 
-// get string by index from string slice
+// Get will get string by index from string slice
 func (a argString) Get(i int, args ...string) (r string) {
 	if i >= 0 && i < len(a) {
 		r = a[i]
@@ -258,7 +258,7 @@ func (a argString) Get(i int, args ...string) (r string) {
 
 type argInt []int
 
-// get int by index from int slice
+// Get will get int by index from int slice
 func (a argInt) Get(i int, args ...int) (r int) {
 	if i >= 0 && i < len(a) {
 		r = a[i]
@@ -269,13 +269,13 @@ func (a argInt) Get(i int, args ...int) (r int) {
 	return
 }
 
-// parse time to string with location
+// timeParse parse time to string with location
 func timeParse(dateString, format string) (time.Time, error) {
 	tp, err := time.ParseInLocation(format, dateString, DefaultTimeLoc)
 	return tp, err
 }
 
-// get pointer indirect type
+// indirectType get pointer indirect type
 func indirectType(v reflect.Type) reflect.Type {
 	switch v.Kind() {
 	case reflect.Ptr:
diff --git a/core/admin/profile.go b/core/admin/profile.go
index bd9eff4d..f85afaa2 100644
--- a/core/admin/profile.go
+++ b/core/admin/profile.go
@@ -144,7 +144,7 @@ func avg(items []time.Duration) time.Duration {
 	return time.Duration(int64(sum) / int64(len(items)))
 }
 
-// format bytes number friendly
+// toH format bytes number friendly
 func toH(bytes uint64) string {
 	switch {
 	case bytes < 1024:
diff --git a/core/bean/mock.go b/core/bean/mock.go
index 0a8d3e29..86d90c74 100644
--- a/core/bean/mock.go
+++ b/core/bean/mock.go
@@ -7,7 +7,7 @@ import (
 	"strings"
 )
 
-// the mock object must be pointer of struct
+// Mock have a mock object ,it must be pointer of struct
 // the element in mock object can be slices, structures, basic data types, pointers and interface
 func Mock(v interface{}) (err error) {
 	pv := reflect.ValueOf(v)
diff --git a/core/config/global.go b/core/config/global.go
index 3a334cb6..6f692fce 100644
--- a/core/config/global.go
+++ b/core/config/global.go
@@ -28,17 +28,17 @@ func InitGlobalInstance(name string, cfg string) error {
 	return err
 }
 
-// support section::key type in given key when using ini type.
+// Set support section::key type in given key when using ini type.
 func Set(key, val string) error {
 	return globalInstance.Set(key, val)
 }
 
-// support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same.
+// String support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same.
 func String(key string) (string, error) {
 	return globalInstance.String(key)
 }
 
-// get string slice
+// Strings will get string slice
 func Strings(key string) ([]string, error) {
 	return globalInstance.Strings(key)
 }
@@ -59,12 +59,12 @@ func Float(key string) (float64, error) {
 	return globalInstance.Float(key)
 }
 
-// support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same.
+// DefaultString support section::key type in key string when using ini and json type; Int,Int64,Bool,Float,DIY are same.
 func DefaultString(key string, defaultVal string) string {
 	return globalInstance.DefaultString(key, defaultVal)
 }
 
-// get string slice
+// DefaultStrings will get string slice
 func DefaultStrings(key string, defaultVal []string) []string {
 	return globalInstance.DefaultStrings(key, defaultVal)
 }