diff --git a/g/encoding/gjson/gjson_api_new_load.go b/g/encoding/gjson/gjson_api_new_load.go
index f6be8a423..220790e69 100644
--- a/g/encoding/gjson/gjson_api_new_load.go
+++ b/g/encoding/gjson/gjson_api_new_load.go
@@ -156,6 +156,9 @@ func doLoadContent(dataType string, data []byte, unsafe ...bool) (*Json, error)
 	if len(data) == 0 {
 		return New(nil, unsafe...), nil
 	}
+	if dataType == "" {
+		dataType = checkDataType(data)
+	}
 	switch dataType {
 	case "json", ".json":
 
@@ -203,14 +206,15 @@ func LoadContent(data interface{}, unsafe ...bool) (*Json, error) {
 
 }
 
+// checkDataType automatically checks and returns the data type for <content>.
 func checkDataType(content []byte) string {
 	if json.Valid(content) {
 		return "json"
 	} else if gregex.IsMatch(`^<.+>[\S\s]+<.+>$`, content) {
 		return "xml"
-	} else if gregex.IsMatch(`^[\s\t]*\w+\s*:\s*.+`, content) || gregex.IsMatch(`\n[\s\t]*\w+\s*:\s*.+`, content) {
+	} else if gregex.IsMatch(`^[\s\t]*[\w\-]+\s*:\s*.+`, content) || gregex.IsMatch(`\n[\s\t]*[\w\-]+\s*:\s*.+`, content) {
 		return "yml"
-	} else if gregex.IsMatch(`^[\s\t]*\w+\s*=\s*.+`, content) || gregex.IsMatch(`\n[\s\t]*\w+\s*=\s*.+`, content) {
+	} else if gregex.IsMatch(`^[\s\t]*[\w\-]+\s*=\s*.+`, content) || gregex.IsMatch(`\n[\s\t]*[\w\-]+\s*=\s*.+`, content) {
 		return "toml"
 	} else {
 		return ""
diff --git a/g/frame/gins/gins_config_test.go b/g/frame/gins/gins_config_test.go
index cc13260bf..21f36f18d 100644
--- a/g/frame/gins/gins_config_test.go
+++ b/g/frame/gins/gins_config_test.go
@@ -8,6 +8,7 @@ package gins_test
 
 import (
 	"fmt"
+	"github.com/gogf/gf/g/os/gcfg"
 	"testing"
 	"time"
 
@@ -167,3 +168,17 @@ test = "v=1"
 		gtest.Assert(gins.Config("test").Get("redis.disk"), "127.0.0.1:6379,0")
 	})
 }
+
+func Test_Basic2(t *testing.T) {
+	config := `log-path = "logs"`
+	gtest.Case(t, func() {
+		path := gcfg.DEFAULT_CONFIG_FILE
+		err := gfile.PutContents(path, config)
+		gtest.Assert(err, nil)
+		defer func() {
+			_ = gfile.Remove(path)
+		}()
+
+		gtest.Assert(gins.Config().Get("log-path"), "logs")
+	})
+}
diff --git a/g/os/gcfg/gcfg.go b/g/os/gcfg/gcfg.go
index adb3fa570..70c31fbe8 100644
--- a/g/os/gcfg/gcfg.go
+++ b/g/os/gcfg/gcfg.go
@@ -36,8 +36,7 @@ type Config struct {
 	name  *gtype.String       // Default configuration file name.
 	paths *garray.StringArray // Searching path array.
 	jsons *gmap.StrAnyMap     // The pared JSON objects for configuration files.
-	vc    *gtype.Bool         // Whether do violence check in value index searching.
-	// It affects the performance when set true(false in default).
+	vc    *gtype.Bool         // Whether do violence check in value index searching. It affects the performance when set true(false in default).
 }
 
 // New returns a new configuration management object.
@@ -259,7 +258,7 @@ func (c *Config) GetFileName() string {
 	return c.name.Val()
 }
 
-// getJson returns a gjson.Json object for the specified <file> content.
+// getJson returns a *gjson.Json object for the specified <file> content.
 // It would print error if file reading fails.
 // If any error occurs, it return nil.
 func (c *Config) getJson(file ...string) *gjson.Json {
diff --git a/g/os/gcfg/gcfg_z_unit_test.go b/g/os/gcfg/gcfg_z_unit_test.go
index 3955383b4..cc9963daf 100644
--- a/g/os/gcfg/gcfg_z_unit_test.go
+++ b/g/os/gcfg/gcfg_z_unit_test.go
@@ -24,7 +24,7 @@ func init() {
 	os.Setenv("GF_GCFG_ERRORPRINT", "false")
 }
 
-func Test_Basic(t *testing.T) {
+func Test_Basic1(t *testing.T) {
 	config := `
 v1    = 1
 v2    = "true"
@@ -87,6 +87,21 @@ array = [1,2,3]
 	})
 }
 
+func Test_Basic2(t *testing.T) {
+	config := `log-path = "logs"`
+	gtest.Case(t, func() {
+		path := gcfg.DEFAULT_CONFIG_FILE
+		err := gfile.PutContents(path, config)
+		gtest.Assert(err, nil)
+		defer func() {
+			_ = gfile.Remove(path)
+		}()
+
+		c := gcfg.New()
+		gtest.Assert(c.Get("log-path"), "logs")
+	})
+}
+
 func Test_Content(t *testing.T) {
 	content := `
 v1    = 1
diff --git a/geg/other/test.go b/geg/other/test.go
index 07fc62b41..f71bc27b8 100644
--- a/geg/other/test.go
+++ b/geg/other/test.go
@@ -1,10 +1,10 @@
 package main
 
 import (
-	"encoding/json"
 	"fmt"
+	"github.com/gogf/gf/g"
 )
 
 func main() {
-	fmt.Println(json.Marshal(nil))
+	fmt.Println(g.Config().Get("log-path"))
 }