diff --git a/.example/frame/mvc/app/model/article/article_entity.go b/.example/frame/mvc/app/model/article/article_entity.go
index 8b302e6e8..94bb8f876 100644
--- a/.example/frame/mvc/app/model/article/article_entity.go
+++ b/.example/frame/mvc/app/model/article/article_entity.go
@@ -12,21 +12,24 @@ import (
 
 // Entity is the golang structure for table gf_article.
 type Entity struct {
-	Id         int         `orm:"id,primary"  json:"id"`          //
-	CatId      int         `orm:"cat_id"      json:"cat_id"`      // 分类ID
-	Uid        int         `orm:"uid"         json:"uid"`         // 用户ID
-	Title      string      `orm:"title"       json:"title"`       // 标题
-	Content    string      `orm:"content"     json:"content"`     // 内容
-	Order      int         `orm:"order"       json:"order"`       // 排序
-	Brief      string      `orm:"brief"       json:"brief"`       // 摘要
-	Thumb      string      `orm:"thumb"       json:"thumb"`       // 缩略图
-	Tags       string      `orm:"tags"        json:"tags"`        // 标签
-	Referer    string      `orm:"referer"     json:"referer"`     // 内容来源
-	Status     int         `orm:"status"      json:"status"`      // 状态\n0: 禁用\n1: 正常
-	CreateTime *gtime.Time `orm:"create_time" json:"create_time"` // 创建时间
-	UpdateTime *gtime.Time `orm:"update_time" json:"update_time"` // 修改时间
+    Id         int         `orm:"id,primary"  json:"id"`          //                         
+    CatId      int         `orm:"cat_id"      json:"cat_id"`      // 分类ID                  
+    Uid        int         `orm:"uid"         json:"uid"`         // 用户ID                  
+    Title      string      `orm:"title"       json:"title"`       // 标题                    
+    Content    string      `orm:"content"     json:"content"`     // 内容                    
+    Order      int         `orm:"order"       json:"order"`       // 排序                    
+    Brief      string      `orm:"brief"       json:"brief"`       // 摘要                    
+    Thumb      string      `orm:"thumb"       json:"thumb"`       // 缩略图                  
+    Tags       string      `orm:"tags"        json:"tags"`        // 标签                    
+    Referer    string      `orm:"referer"     json:"referer"`     // 内容来源                
+    Status     int         `orm:"status"      json:"status"`      // 状态\n0: 禁用\n1: 正常  
+    CreateTime *gtime.Time `orm:"create_time" json:"create_time"` // 创建时间                
+    UpdateTime *gtime.Time `orm:"update_time" json:"update_time"` // 修改时间                
 }
 
+// Article is alias of Entity, which some developers say they just want.
+type Article = Entity
+
 // OmitEmpty sets OPTION_OMITEMPTY option for the model, which automatically filers
 // the data and where attributes for empty values.
 func (r *Entity) OmitEmpty() *arModel {
@@ -62,4 +65,4 @@ func (r *Entity) Update() (result sql.Result, err error) {
 // Delete does "DELETE FROM...WHERE..." statement for deleting current object from table.
 func (r *Entity) Delete() (result sql.Result, err error) {
 	return Model.Where(gdb.GetWhereConditionOfStruct(r)).Delete()
-}
+}
\ No newline at end of file
diff --git a/.example/frame/mvc/app/model/article/article_model.go b/.example/frame/mvc/app/model/article/article_model.go
index 7b5c6246d..90561ed3e 100644
--- a/.example/frame/mvc/app/model/article/article_model.go
+++ b/.example/frame/mvc/app/model/article/article_model.go
@@ -21,7 +21,7 @@ var (
 	Table = "gf_article"
 	// Model is the model object of gf_article.
 	Model = &arModel{g.DB("default").Table(Table).Safe()}
-	// Primary is the primary field name of table gf_article.
+	// Primary is the primary key name of table gf_article.
 	Primary = gdb.GetPrimaryKey(new(Entity))
 )
 
@@ -325,4 +325,4 @@ func (m *arModel) Chunk(limit int, callback func(entities []*Entity, err error)
 		}
 		return callback(entities, err)
 	})
-}
+}
\ No newline at end of file