diff --git a/os/gcfg/gcfg_z_unit_test.go b/os/gcfg/gcfg_z_unit_test.go
index 924e09959..08a3582a5 100644
--- a/os/gcfg/gcfg_z_unit_test.go
+++ b/os/gcfg/gcfg_z_unit_test.go
@@ -10,7 +10,7 @@ package gcfg_test
 
 import (
 	"github.com/gogf/gf/debug/gdebug"
-	"io/ioutil"
+	"github.com/gogf/gf/os/gtime"
 	"os"
 	"testing"
 
@@ -40,9 +40,7 @@ array = [1,2,3]
 		path := gcfg.DEFAULT_CONFIG_FILE
 		err := gfile.PutContents(path, config)
 		gtest.Assert(err, nil)
-		defer func() {
-			_ = gfile.Remove(path)
-		}()
+		defer gfile.Remove(path)
 
 		c := gcfg.New()
 		gtest.Assert(c.Get("v1"), 1)
@@ -310,9 +308,8 @@ func TestCfg_New(t *testing.T) {
 
 		configPath := gfile.Pwd() + gfile.Separator + "config"
 		_ = gfile.Mkdir(configPath)
-		defer func() {
-			_ = gfile.Remove(configPath)
-		}()
+		defer gfile.Remove(configPath)
+
 		c = gcfg.New("config.yml")
 		gtest.Assert(c.Get("name"), nil)
 
@@ -364,12 +361,21 @@ func TestCfg_FilePath(t *testing.T) {
 
 func TestCfg_Get(t *testing.T) {
 	gtest.Case(t, func() {
-		configPath := gfile.Pwd() + gfile.Separator + "config"
-		_ = gfile.Mkdir(configPath)
-		defer func() {
-			_ = gfile.Remove(configPath)
-		}()
-		_ = ioutil.WriteFile(configPath+gfile.Separator+"config.yml", []byte("wrong config"), 0644)
+		var err error
+		configPath := gfile.Join(gfile.TempDir(), gtime.TimestampNanoStr())
+		err = gfile.Mkdir(configPath)
+		gtest.Assert(err, nil)
+		defer gfile.Remove(configPath)
+
+		defer gfile.Chdir(gfile.Pwd())
+		err = gfile.Chdir(configPath)
+		gtest.Assert(err, nil)
+
+		err = gfile.PutContents(
+			gfile.Join(configPath, "config.yml"),
+			"wrong config",
+		)
+		gtest.Assert(err, nil)
 		c := gcfg.New("config.yml")
 		gtest.Assert(c.Get("name"), nil)
 		gtest.Assert(c.GetVar("name").Val(), nil)
@@ -404,13 +410,24 @@ func TestCfg_Get(t *testing.T) {
 
 		c.Clear()
 
-		arr, _ := gjson.Encode(g.Map{"name": "gf", "time": "2019-06-12", "person": g.Map{"name": "gf"}, "floats": g.Slice{1, 2, 3}})
-		_ = ioutil.WriteFile(configPath+gfile.Separator+"config.yml", arr, 0644)
+		arr, _ := gjson.Encode(
+			g.Map{
+				"name":   "gf",
+				"time":   "2019-06-12",
+				"person": g.Map{"name": "gf"},
+				"floats": g.Slice{1, 2, 3},
+			},
+		)
+		err = gfile.PutBytes(
+			gfile.Join(configPath, "config.yml"),
+			arr,
+		)
+		gtest.Assert(err, nil)
 		gtest.Assert(c.GetTime("time").Format("2006-01-02"), "2019-06-12")
 		gtest.Assert(c.GetGTime("time").Format("Y-m-d"), "2019-06-12")
 		gtest.Assert(c.GetDuration("time").String(), "0s")
-		//t.Log(c.GetString("person"))
-		err := c.GetStruct("person", &name)
+
+		err = c.GetStruct("person", &name)
 		gtest.Assert(err, nil)
 		gtest.Assert(name.Name, "gf")
 		gtest.Assert(c.GetFloats("floats") == nil, false)
diff --git a/os/gspath/gspath.go b/os/gspath/gspath.go
index 89d2d06d5..0ab5b2634 100644
--- a/os/gspath/gspath.go
+++ b/os/gspath/gspath.go
@@ -7,12 +7,14 @@
 // Package gspath implements file index and search for folders.
 //
 // It searches file internally with high performance in order by the directory adding sequence.
-// Note that: If caching feature enabled, there would be a searching delay after adding/deleting files.
+// Note that:
+// If caching feature enabled, there would be a searching delay after adding/deleting files.
 package gspath
 
 import (
 	"errors"
 	"fmt"
+	"github.com/gogf/gf/internal/intlog"
 	"os"
 	"sort"
 	"strings"
@@ -50,7 +52,7 @@ func New(path string, cache bool) *SPath {
 	}
 	if len(path) > 0 {
 		if _, err := sp.Add(path); err != nil {
-			//fmt.Errorf(err.Error())
+			intlog.Print(err)
 		}
 	}
 	return sp
@@ -111,6 +113,7 @@ func (sp *SPath) Set(path string) (realPath string, err error) {
 				sp.removeMonitorByPath(v)
 			}
 		}
+		intlog.Print("paths clear:", sp.paths)
 		sp.paths.Clear()
 		if sp.cache != nil {
 			sp.cache.Clear()