diff --git a/os/gfile/gfile.go b/os/gfile/gfile.go
index 0dbc9e6cd26..3c9db89e55f 100644
--- a/os/gfile/gfile.go
+++ b/os/gfile/gfile.go
@@ -30,7 +30,7 @@ const (
 	DefaultPermOpen = os.FileMode(0666)
 
 	// DefaultPermCopy is the default perm for file/folder copy.
-	DefaultPermCopy = os.FileMode(0777)
+	DefaultPermCopy = os.FileMode(0755)
 )
 
 var (
diff --git a/os/gfile/gfile_copy.go b/os/gfile/gfile_copy.go
index f817afb6936..1a815551646 100644
--- a/os/gfile/gfile_copy.go
+++ b/os/gfile/gfile_copy.go
@@ -17,8 +17,16 @@ import (
 
 // CopyOption is the option for Copy* functions.
 type CopyOption struct {
-	Sync bool        // Auto call file sync after source file content copied to target file.
-	Mode os.FileMode // Destination created file mode. The default file mode is DefaultPermCopy.
+	// Auto call file sync after source file content copied to target file.
+	Sync bool
+
+	// Preserve the mode of the original file to the target file.
+	// If true, the Mode attribute will make no sense.
+	PreserveMode bool
+
+	// Destination created file mode.
+	// The default file mode is DefaultPermCopy if PreserveMode is false.
+	Mode os.FileMode
 }
 
 // Copy file/directory from `src` to `dst`.
@@ -162,6 +170,9 @@ func CopyFile(src, dst string, option ...CopyOption) (err error) {
 			return
 		}
 	}
+	if usedOption.PreserveMode {
+		usedOption.Mode = srcStat.Mode().Perm()
+	}
 	if err = Chmod(dst, usedOption.Mode); err != nil {
 		return
 	}
@@ -192,6 +203,9 @@ func CopyDir(src string, dst string, option ...CopyOption) (err error) {
 	if !si.IsDir() {
 		return gerror.NewCode(gcode.CodeInvalidParameter, "source is not a directory")
 	}
+	if usedOption.PreserveMode {
+		usedOption.Mode = si.Mode().Perm()
+	}
 	if !Exists(dst) {
 		if err = os.MkdirAll(dst, usedOption.Mode); err != nil {
 			err = gerror.Wrapf(
diff --git a/os/gfile/gfile_z_exmaple_basic_test.go b/os/gfile/gfile_z_exmaple_basic_test.go
index dc658f70b61..a592e3cf27d 100644
--- a/os/gfile/gfile_z_exmaple_basic_test.go
+++ b/os/gfile/gfile_z_exmaple_basic_test.go
@@ -377,7 +377,7 @@ func ExampleChmod() {
 
 	// Output:
 	// -rw-r--r--
-	// -rwxrwxrwx
+	// -rwxr-xr-x
 }
 
 func ExampleAbs() {
diff --git a/os/gfile/gfile_z_unit_copy_test.go b/os/gfile/gfile_z_unit_copy_test.go
index 66e23169e2b..b914ca7d4dd 100644
--- a/os/gfile/gfile_z_unit_copy_test.go
+++ b/os/gfile/gfile_z_unit_copy_test.go
@@ -7,6 +7,7 @@
 package gfile_test
 
 import (
+	"os"
 	"testing"
 
 	"github.com/gogf/gf/v2/os/gfile"
@@ -100,6 +101,41 @@ func Test_CopyFile(t *testing.T) {
 		t.Assert(gfile.GetContents(src), srcContent)
 		t.Assert(gfile.GetContents(dst), srcContent)
 	})
+	// Set mode
+	gtest.C(t, func(t *gtest.T) {
+		var (
+			src     = "/testfile_copyfile1.txt"
+			dst     = "/testfile_copyfile2.txt"
+			dstMode = os.FileMode(0600)
+		)
+		t.AssertNil(createTestFile(src, ""))
+		defer delTestFiles(src)
+
+		t.Assert(gfile.CopyFile(testpath()+src, testpath()+dst, gfile.CopyOption{Mode: dstMode}), nil)
+		defer delTestFiles(dst)
+
+		dstStat, err := gfile.Stat(testpath() + dst)
+		t.AssertNil(err)
+		t.Assert(dstStat.Mode().Perm(), dstMode)
+	})
+	// Preserve src file's mode
+	gtest.C(t, func(t *gtest.T) {
+		var (
+			src = "/testfile_copyfile1.txt"
+			dst = "/testfile_copyfile2.txt"
+		)
+		t.AssertNil(createTestFile(src, ""))
+		defer delTestFiles(src)
+
+		t.Assert(gfile.CopyFile(testpath()+src, testpath()+dst, gfile.CopyOption{PreserveMode: true}), nil)
+		defer delTestFiles(dst)
+
+		srcStat, err := gfile.Stat(testpath() + src)
+		t.AssertNil(err)
+		dstStat, err := gfile.Stat(testpath() + dst)
+		t.AssertNil(err)
+		t.Assert(srcStat.Mode().Perm(), dstStat.Mode().Perm())
+	})
 }
 
 func Test_CopyDir(t *testing.T) {