diff --git a/mysql.go b/mysql.go
index 5d200ccf..42412e82 100644
--- a/mysql.go
+++ b/mysql.go
@@ -216,6 +216,11 @@ func (db *mysql) GetColumns(tableName string) (map[string]*Column, error) {
 				}
 			}
 		}
+		if col.SQLType.IsText() {
+			if col.Default != "" {
+				col.Default = "'" + col.Default + "'"
+			}
+		}
 		cols[col.Name] = col
 	}
 	return cols, nil
diff --git a/postgres.go b/postgres.go
index 4cbc84aa..51b9c85a 100644
--- a/postgres.go
+++ b/postgres.go
@@ -165,6 +165,8 @@ func (db *postgres) GetColumns(tableName string) (map[string]*Column, error) {
 			case "column_default":
 				if strings.HasPrefix(string(content), "nextval") {
 					col.IsPrimaryKey = true
+				} else {
+					col.Default = string(content)
 				}
 			case "is_nullable":
 				if string(content) == "YES" {
@@ -201,6 +203,11 @@ func (db *postgres) GetColumns(tableName string) (map[string]*Column, error) {
 			case "numeric_precision_radix":
 			}
 		}
+		if col.SQLType.IsText() {
+			if col.Default != "" {
+				col.Default = "'" + col.Default + "'"
+			}
+		}
 		cols[col.Name] = col
 	}
 
diff --git a/xorm/README.md b/xorm/README.md
index 188a41fa..a3ae9e36 100644
--- a/xorm/README.md
+++ b/xorm/README.md
@@ -32,7 +32,11 @@ example:
 
 `xorm reverse sqite3 test.db templates/goxorm`
 
-will generated go files in `./model` directory
+will generated go files in `./model` directory
+
+## Template and Config
+
+Now, xorm tool supports go and c++ two languages and have go, goxorm, c++ three of default templates. In 
 
 ## LICENSE
 
diff --git a/xorm/go.go b/xorm/go.go
index 74e2acb5..a39b5f4a 100644
--- a/xorm/go.go
+++ b/xorm/go.go
@@ -94,8 +94,16 @@ func tag(table *xorm.Table, col *xorm.Column) string {
 		res = append(res, uistr)
 	}
 
-	if len(res) > 0 {
-		return "`xorm:\"" + strings.Join(res, " ") + "\"`"
+	var tags []string
+	if genJson {
+		tags = append(tags, "json:\""+col.Name+"\"")
+	}
+	if len(res) > 0 {
+		tags = append(tags, "xorm:\""+strings.Join(res, " ")+"\"")
+	}
+	if len(tags) > 0 {
+		return "`" + strings.Join(tags, " ") + "`"
+	} else {
+		return ""
 	}
-	return ""
 }
diff --git a/xorm/reverse.go b/xorm/reverse.go
index 37e84e79..5b459d0d 100644
--- a/xorm/reverse.go
+++ b/xorm/reverse.go
@@ -13,6 +13,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"strconv"
 	"text/template"
 )
 
@@ -39,6 +40,10 @@ func init() {
 	}
 }
 
+var (
+	genJson bool = false
+)
+
 func printReversePrompt(flag string) {
 }
 
@@ -100,7 +105,12 @@ func runReverse(cmd *Command, args []string) {
 	var configs map[string]string
 	if err == nil && !info.IsDir() {
 		configs = loadConfig(cfgPath)
-		lang = configs["lang"]
+		if l, ok := configs["lang"]; ok {
+			lang = l
+		}
+		if j, ok := configs["genJson"]; ok {
+			genJson, err = strconv.ParseBool(j)
+		}
 	}
 
 	if langTmpl, ok = langTmpls[lang]; !ok {
diff --git a/xorm/templates/goxorm/config b/xorm/templates/goxorm/config
index 6fdeea2b..e99ad029 100644
--- a/xorm/templates/goxorm/config
+++ b/xorm/templates/goxorm/config
@@ -1 +1,2 @@
-lang=go
\ No newline at end of file
+lang=go
+genJson=0