diff --git a/database/gdb/gdb_model_fields.go b/database/gdb/gdb_model_fields.go
index 28c317ba3..05b97429d 100644
--- a/database/gdb/gdb_model_fields.go
+++ b/database/gdb/gdb_model_fields.go
@@ -10,6 +10,8 @@ import (
 	"fmt"
 	"github.com/gogf/gf/container/gset"
 	"github.com/gogf/gf/text/gstr"
+	"github.com/gogf/gf/util/gconv"
+	"github.com/gogf/gf/util/gutil"
 )
 
 // Filter marks filtering the fields which does not exist in the fields of the operated table.
@@ -24,10 +26,25 @@ func (m *Model) Filter() *Model {
 }
 
 // Fields sets the operation fields of the model, multiple fields joined using char ','.
-func (m *Model) Fields(fields ...string) *Model {
-	if len(fields) > 0 {
+// The parameter <fieldNamesOrMapStruct> can be type of string/map/*map/struct/*struct.
+func (m *Model) Fields(fieldNamesOrMapStruct ...interface{}) *Model {
+	length := len(fieldNamesOrMapStruct)
+	if length == 0 {
+		return m
+	}
+	switch {
+	case length >= 2:
 		model := m.getModel()
-		model.fields = gstr.Join(m.mappingToTableFields(fields), ",")
+		model.fields = gstr.Join(m.mappingToTableFields(gconv.Strings(fieldNamesOrMapStruct)), ",")
+		return model
+	case length == 1:
+		model := m.getModel()
+		switch r := fieldNamesOrMapStruct[0].(type) {
+		case string:
+			model.fields = gstr.Join(m.mappingToTableFields([]string{r}), ",")
+		default:
+			model.fields = gstr.Join(m.mappingToTableFields(gutil.Keys(r)), ",")
+		}
 		return model
 	}
 	return m
@@ -35,10 +52,24 @@ func (m *Model) Fields(fields ...string) *Model {
 
 // FieldsEx sets the excluded operation fields of the model, multiple fields joined using char ','.
 // Note that this function supports only single table operations.
-func (m *Model) FieldsEx(fields ...string) *Model {
-	if len(fields) > 0 {
-		model := m.getModel()
-		model.fieldsEx = gstr.Join(m.mappingToTableFields(fields), ",")
+// The parameter <fieldNamesOrMapStruct> can be type of string/map/*map/struct/*struct.
+func (m *Model) FieldsEx(fieldNamesOrMapStruct ...interface{}) *Model {
+	length := len(fieldNamesOrMapStruct)
+	if length == 0 {
+		return m
+	}
+	model := m.getModel()
+	switch {
+	case length >= 2:
+		model.fieldsEx = gstr.Join(m.mappingToTableFields(gconv.Strings(fieldNamesOrMapStruct)), ",")
+		return model
+	case length == 1:
+		switch r := fieldNamesOrMapStruct[0].(type) {
+		case string:
+			model.fieldsEx = gstr.Join(m.mappingToTableFields([]string{r}), ",")
+		default:
+			model.fieldsEx = gstr.Join(m.mappingToTableFields(gutil.Keys(r)), ",")
+		}
 		return model
 	}
 	return m
diff --git a/database/gdb/gdb_z_mysql_model_test.go b/database/gdb/gdb_z_mysql_model_test.go
index 874c47f1d..0c06a6535 100644
--- a/database/gdb/gdb_z_mysql_model_test.go
+++ b/database/gdb/gdb_z_mysql_model_test.go
@@ -2616,6 +2616,84 @@ func Test_Model_Fields_AutoMapping(t *testing.T) {
 		t.Assert(err, nil)
 		t.Assert(value.String(), "name_2")
 	})
+	// Map
+	gtest.C(t, func(t *gtest.T) {
+		one, err := db.Table(table).Fields(g.Map{
+			"ID":        1,
+			"NICK_NAME": 1,
+		}).Where("id", 2).One()
+		t.Assert(err, nil)
+		t.Assert(len(one), 2)
+		t.Assert(one["id"], 2)
+		t.Assert(one["nickname"], "name_2")
+	})
+	// Struct
+	gtest.C(t, func(t *gtest.T) {
+		type T struct {
+			ID       int
+			NICKNAME int
+		}
+		one, err := db.Table(table).Fields(&T{
+			ID:       0,
+			NICKNAME: 0,
+		}).Where("id", 2).One()
+		t.Assert(err, nil)
+		t.Assert(len(one), 2)
+		t.Assert(one["id"], 2)
+		t.Assert(one["nickname"], "name_2")
+	})
+}
+
+func Test_Model_FieldsEx_AutoMapping(t *testing.T) {
+	table := createInitTable()
+	defer dropTable(table)
+
+	// "id":          i,
+	// "passport":    fmt.Sprintf(`user_%d`, i),
+	// "password":    fmt.Sprintf(`pass_%d`, i),
+	// "nickname":    fmt.Sprintf(`name_%d`, i),
+	// "create_time": gtime.NewFromStr("2018-10-24 10:00:00").String(),
+
+	gtest.C(t, func(t *gtest.T) {
+		value, err := db.Table(table).FieldsEx("Passport, Password, NickName, CreateTime").Where("id", 2).Value()
+		t.Assert(err, nil)
+		t.Assert(value.Int(), 2)
+	})
+
+	gtest.C(t, func(t *gtest.T) {
+		value, err := db.Table(table).FieldsEx("ID, Passport, Password, CreateTime").Where("id", 2).Value()
+		t.Assert(err, nil)
+		t.Assert(value.String(), "name_2")
+	})
+	// Map
+	gtest.C(t, func(t *gtest.T) {
+		one, err := db.Table(table).FieldsEx(g.Map{
+			"Passport":   1,
+			"Password":   1,
+			"CreateTime": 1,
+		}).Where("id", 2).One()
+		t.Assert(err, nil)
+		t.Assert(len(one), 2)
+		t.Assert(one["id"], 2)
+		t.Assert(one["nickname"], "name_2")
+	})
+	// Struct
+	gtest.C(t, func(t *gtest.T) {
+		type T struct {
+			Passport   int
+			Password   int
+			CreateTime int
+		}
+		one, err := db.Table(table).FieldsEx(&T{
+			Passport:   0,
+			Password:   0,
+			CreateTime: 0,
+		}).Where("id", 2).One()
+		t.Assert(err, nil)
+		t.Assert(len(one), 2)
+		t.Assert(one["id"], 2)
+		t.Assert(one["nickname"], "name_2")
+	})
 }
 
 func Test_Model_NullField(t *testing.T) {