diff --git a/database/gdb/gdb_unit_0_init_test.go b/database/gdb/gdb_unit_0_init_test.go
deleted file mode 100644
index 4542015b9..000000000
--- a/database/gdb/gdb_unit_0_init_test.go
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
-//
-// This Source Code Form is subject to the terms of the MIT License.
-// If a copy of the MIT was not distributed with this file,
-// You can obtain one at https://github.com/gogf/gf.
-
-package gdb_test
-
-import (
-	//_ "github.com/denisenkom/go-mssqldb"
-	_ "github.com/lib/pq"
-	//_ "github.com/mattn/go-oci8"
-	_ "github.com/gogf/gf/database/gdb"
-)
-
-func init() {
-	InitPgsql()
-	//InitOracle()
-	//InitMssql()
-	InitMysql()
-}
diff --git a/database/gdb/gdb_unit_init_mysql_test.go b/database/gdb/gdb_unit_init_mysql_test.go
new file mode 100644
index 000000000..979f62e0b
--- /dev/null
+++ b/database/gdb/gdb_unit_init_mysql_test.go
@@ -0,0 +1,128 @@
+// Copyright 2019 gf Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package gdb_test
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/gogf/gf/container/garray"
+	"github.com/gogf/gf/frame/g"
+
+	"github.com/gogf/gf/database/gdb"
+	"github.com/gogf/gf/os/gtime"
+	"github.com/gogf/gf/test/gtest"
+)
+
+const (
+	INIT_DATA_SIZE = 10      // 初始化表数据量
+	TABLE          = "user"  // 测试数据表
+	SCHEMA1        = "test1" // 测试数据库1
+	SCHEMA2        = "test2" // 测试数据库2
+)
+
+var (
+	// 测试包变量，ORM对象
+	db gdb.DB
+)
+
+// 初始化连接参数。
+// 测试前需要修改连接参数。
+func InitMysql() {
+	node := gdb.ConfigNode{
+		Host:             "127.0.0.1",
+		Port:             "3306",
+		User:             "root",
+		Pass:             "",
+		Name:             "",
+		Type:             "mysql",
+		Role:             "master",
+		Charset:          "utf8",
+		Weight:           1,
+		MaxIdleConnCount: 10,
+		MaxOpenConnCount: 10,
+		MaxConnLifetime:  600,
+	}
+	// 作者本地测试hack
+	if hostname, _ := os.Hostname(); hostname == "ijohn" {
+		node.Pass = "12345678"
+	}
+	gdb.AddConfigNode("test", node)
+	gdb.AddConfigNode(gdb.DEFAULT_GROUP_NAME, node)
+	if r, err := gdb.New(); err != nil {
+		gtest.Error(err)
+	} else {
+		db = r
+	}
+	// 准备测试数据结构：数据库
+	schemaTemplate := "CREATE DATABASE IF NOT EXISTS `%s` CHARACTER SET UTF8"
+	if _, err := db.Exec(fmt.Sprintf(schemaTemplate, SCHEMA1)); err != nil {
+		gtest.Error(err)
+	}
+	// 多个数据库，用于测试数据库切换
+	if _, err := db.Exec(fmt.Sprintf(schemaTemplate, SCHEMA2)); err != nil {
+		gtest.Error(err)
+	}
+	// 设置默认操作数据库
+	db.SetSchema(SCHEMA1)
+	// 创建默认用户表
+	createTable(TABLE)
+}
+
+// 创建指定名称的user测试表，当table为空时，创建随机的表名。
+// 创建的测试表默认没有任何数据。
+// 执行完成后返回该表名。
+func createTable(table ...string) (name string) {
+	if len(table) > 0 {
+		name = table[0]
+	} else {
+		name = fmt.Sprintf(`%s_%d`, TABLE, gtime.Nanosecond())
+	}
+	dropTable(name)
+	if _, err := db.Exec(fmt.Sprintf(`
+    CREATE TABLE %s (
+        id          int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT '用户ID',
+        passport    varchar(45) NOT NULL COMMENT '账号',
+        password    char(32) NOT NULL COMMENT '密码',
+        nickname    varchar(45) NOT NULL COMMENT '昵称',
+        create_time timestamp NOT NULL COMMENT '创建时间/注册时间',
+        PRIMARY KEY (id)
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+    `, name)); err != nil {
+		gtest.Error(err)
+	}
+	return
+}
+
+// 创建测试表，并初始化默认数据。
+func createInitTable(table ...string) (name string) {
+	name = createTable(table...)
+	array := garray.New(true)
+	for i := 1; i <= INIT_DATA_SIZE; i++ {
+		array.Append(g.Map{
+			"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(),
+		})
+	}
+	result, err := db.Table(name).Data(array.Slice()).Insert()
+	gtest.Assert(err, nil)
+
+	n, e := result.RowsAffected()
+	gtest.Assert(e, nil)
+	gtest.Assert(n, INIT_DATA_SIZE)
+	return
+}
+
+// 删除指定表.
+func dropTable(table string) {
+	if _, err := db.Exec(fmt.Sprintf("DROP TABLE IF EXISTS `%s`", table)); err != nil {
+		gtest.Error(err)
+	}
+}
diff --git a/database/gdb/gdb_unit_init_test.go b/database/gdb/gdb_unit_init_test.go
index 979f62e0b..bb00f7a85 100644
--- a/database/gdb/gdb_unit_init_test.go
+++ b/database/gdb/gdb_unit_init_test.go
@@ -7,122 +7,15 @@
 package gdb_test
 
 import (
-	"fmt"
-	"os"
-
-	"github.com/gogf/gf/container/garray"
-	"github.com/gogf/gf/frame/g"
-
-	"github.com/gogf/gf/database/gdb"
-	"github.com/gogf/gf/os/gtime"
-	"github.com/gogf/gf/test/gtest"
+	// _ "github.com/denisenkom/go-mssqldb"
+	// _ "github.com/lib/pq"
+	// _ "github.com/mattn/go-oci8"
+	_ "github.com/gogf/gf/database/gdb"
 )
 
-const (
-	INIT_DATA_SIZE = 10      // 初始化表数据量
-	TABLE          = "user"  // 测试数据表
-	SCHEMA1        = "test1" // 测试数据库1
-	SCHEMA2        = "test2" // 测试数据库2
-)
-
-var (
-	// 测试包变量，ORM对象
-	db gdb.DB
-)
-
-// 初始化连接参数。
-// 测试前需要修改连接参数。
-func InitMysql() {
-	node := gdb.ConfigNode{
-		Host:             "127.0.0.1",
-		Port:             "3306",
-		User:             "root",
-		Pass:             "",
-		Name:             "",
-		Type:             "mysql",
-		Role:             "master",
-		Charset:          "utf8",
-		Weight:           1,
-		MaxIdleConnCount: 10,
-		MaxOpenConnCount: 10,
-		MaxConnLifetime:  600,
-	}
-	// 作者本地测试hack
-	if hostname, _ := os.Hostname(); hostname == "ijohn" {
-		node.Pass = "12345678"
-	}
-	gdb.AddConfigNode("test", node)
-	gdb.AddConfigNode(gdb.DEFAULT_GROUP_NAME, node)
-	if r, err := gdb.New(); err != nil {
-		gtest.Error(err)
-	} else {
-		db = r
-	}
-	// 准备测试数据结构：数据库
-	schemaTemplate := "CREATE DATABASE IF NOT EXISTS `%s` CHARACTER SET UTF8"
-	if _, err := db.Exec(fmt.Sprintf(schemaTemplate, SCHEMA1)); err != nil {
-		gtest.Error(err)
-	}
-	// 多个数据库，用于测试数据库切换
-	if _, err := db.Exec(fmt.Sprintf(schemaTemplate, SCHEMA2)); err != nil {
-		gtest.Error(err)
-	}
-	// 设置默认操作数据库
-	db.SetSchema(SCHEMA1)
-	// 创建默认用户表
-	createTable(TABLE)
-}
-
-// 创建指定名称的user测试表，当table为空时，创建随机的表名。
-// 创建的测试表默认没有任何数据。
-// 执行完成后返回该表名。
-func createTable(table ...string) (name string) {
-	if len(table) > 0 {
-		name = table[0]
-	} else {
-		name = fmt.Sprintf(`%s_%d`, TABLE, gtime.Nanosecond())
-	}
-	dropTable(name)
-	if _, err := db.Exec(fmt.Sprintf(`
-    CREATE TABLE %s (
-        id          int(10) unsigned NOT NULL AUTO_INCREMENT COMMENT '用户ID',
-        passport    varchar(45) NOT NULL COMMENT '账号',
-        password    char(32) NOT NULL COMMENT '密码',
-        nickname    varchar(45) NOT NULL COMMENT '昵称',
-        create_time timestamp NOT NULL COMMENT '创建时间/注册时间',
-        PRIMARY KEY (id)
-    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-    `, name)); err != nil {
-		gtest.Error(err)
-	}
-	return
-}
-
-// 创建测试表，并初始化默认数据。
-func createInitTable(table ...string) (name string) {
-	name = createTable(table...)
-	array := garray.New(true)
-	for i := 1; i <= INIT_DATA_SIZE; i++ {
-		array.Append(g.Map{
-			"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(),
-		})
-	}
-	result, err := db.Table(name).Data(array.Slice()).Insert()
-	gtest.Assert(err, nil)
-
-	n, e := result.RowsAffected()
-	gtest.Assert(e, nil)
-	gtest.Assert(n, INIT_DATA_SIZE)
-	return
-}
-
-// 删除指定表.
-func dropTable(table string) {
-	if _, err := db.Exec(fmt.Sprintf("DROP TABLE IF EXISTS `%s`", table)); err != nil {
-		gtest.Error(err)
-	}
+func init() {
+	//InitPgsql()
+	//InitOracle()
+	//InitMssql()
+	InitMysql()
 }
diff --git a/database/gdb/gdb_unit_z_mssql_method_test.go b/database/gdb/gdb_unit_z_mssql_method_test.go
index 14a3d5610..b2a3bc736 100644
--- a/database/gdb/gdb_unit_z_mssql_method_test.go
+++ b/database/gdb/gdb_unit_z_mssql_method_test.go
@@ -8,11 +8,12 @@ package gdb_test
 
 import (
 	"fmt"
+	"testing"
+	"time"
+
 	"github.com/gogf/gf/frame/g"
 	"github.com/gogf/gf/os/gtime"
 	"github.com/gogf/gf/test/gtest"
-	"testing"
-	"time"
 )
 
 func Test_DB_Ping_Mssql(t *testing.T) {
@@ -90,7 +91,7 @@ func Test_DB_Insert_Mssql(t *testing.T) {
 
 	table := createTableMssql()
 	defer dropTableMssql(table)
-	msdb.Exec("delete from t_user")
+
 	if _, err := msdb.Insert(table, g.Map{
 		"id":          1,
 		"passport":    "t1",
diff --git a/database/gdb/gdb_unit_z_basic_test.go b/database/gdb/gdb_unit_z_mysql_basic_test.go
similarity index 100%
rename from database/gdb/gdb_unit_z_basic_test.go
rename to database/gdb/gdb_unit_z_mysql_basic_test.go
diff --git a/database/gdb/gdb_unit_z_method_test.go b/database/gdb/gdb_unit_z_mysql_method_test.go
similarity index 99%
rename from database/gdb/gdb_unit_z_method_test.go
rename to database/gdb/gdb_unit_z_mysql_method_test.go
index fbd507b38..d4907aa63 100644
--- a/database/gdb/gdb_unit_z_method_test.go
+++ b/database/gdb/gdb_unit_z_mysql_method_test.go
@@ -8,11 +8,12 @@ package gdb_test
 
 import (
 	"fmt"
+	"testing"
+	"time"
+
 	"github.com/gogf/gf/database/gdb"
 	"github.com/gogf/gf/encoding/gjson"
 	"github.com/gogf/gf/encoding/gxml"
-	"testing"
-	"time"
 
 	"github.com/gogf/gf/frame/g"
 	"github.com/gogf/gf/os/gtime"
diff --git a/database/gdb/gdb_unit_z_model_test.go b/database/gdb/gdb_unit_z_mysql_model_test.go
similarity index 100%
rename from database/gdb/gdb_unit_z_model_test.go
rename to database/gdb/gdb_unit_z_mysql_model_test.go
diff --git a/database/gdb/gdb_unit_z_struct_test.go b/database/gdb/gdb_unit_z_mysql_struct_test.go
similarity index 100%
rename from database/gdb/gdb_unit_z_struct_test.go
rename to database/gdb/gdb_unit_z_mysql_struct_test.go
diff --git a/database/gdb/gdb_unit_z_transaction_test.go b/database/gdb/gdb_unit_z_mysql_transaction_test.go
similarity index 100%
rename from database/gdb/gdb_unit_z_transaction_test.go
rename to database/gdb/gdb_unit_z_mysql_transaction_test.go
diff --git a/database/gdb/gdb_unit_types_test.go b/database/gdb/gdb_unit_z_mysql_types_test.go
similarity index 100%
rename from database/gdb/gdb_unit_types_test.go
rename to database/gdb/gdb_unit_z_mysql_types_test.go
diff --git a/encoding/gini/gini.go b/encoding/gini/gini.go
index 35740c453..a756a7413 100644
--- a/encoding/gini/gini.go
+++ b/encoding/gini/gini.go
@@ -16,7 +16,7 @@ import (
 	"strings"
 )
 
-//Decode converts INI format to map
+// Decode converts INI format to map.
 func Decode(data []byte) (res map[string]interface{}, err error) {
 	res = make(map[string]interface{})
 	fieldMap := make(map[string]interface{})
@@ -75,7 +75,7 @@ func Decode(data []byte) (res map[string]interface{}, err error) {
 	return res, nil
 }
 
-//Encode converts map to INI format
+// Encode converts map to INI format.
 func Encode(data map[string]interface{}) (res []byte, err error) {
 	w := new(bytes.Buffer)
 
@@ -102,12 +102,11 @@ func Encode(data map[string]interface{}) (res []byte, err error) {
 	return res, nil
 }
 
-//ToJson convert INI format to JSON
+// ToJson convert INI format to JSON.
 func ToJson(data []byte) (res []byte, err error) {
 	iniMap, err := Decode(data)
 	if err != nil {
 		return nil, err
 	}
-
 	return json.Marshal(iniMap)
 }