diff --git a/Godeps/Godeps.json b/Godeps/Godeps.json
index e879cc9b..7ea95adf 100644
--- a/Godeps/Godeps.json
+++ b/Godeps/Godeps.json
@@ -1,6 +1,6 @@
 {
 	"ImportPath": "github.com/fatedier/frp",
-	"GoVersion": "go1.8",
+	"GoVersion": "go1.6",
 	"GodepVersion": "v79",
 	"Packages": [
 		"./..."
@@ -18,8 +18,8 @@
 		},
 		{
 			"ImportPath": "github.com/fatedier/beego/logs",
-			"Comment": "v1.7.2-70-gcd7a213",
-			"Rev": "cd7a213b889b290cf450e1dd51398af12e5a10d4"
+			"Comment": "v1.7.2-71-gc12472d",
+			"Rev": "c12472d5e4365d2927f5fba8e9260a3e3d51fa52"
 		},
 		{
 			"ImportPath": "github.com/golang/snappy",
diff --git a/vendor/github.com/fatedier/beego/logs/file.go b/vendor/github.com/fatedier/beego/logs/file.go
index bd3c22a9..a7276523 100644
--- a/vendor/github.com/fatedier/beego/logs/file.go
+++ b/vendor/github.com/fatedier/beego/logs/file.go
@@ -270,7 +270,7 @@ func (w *fileLogWriter) doRotate(logTime time.Time) error {
 	// Rename the file to its new found name
 	// even if occurs error,we MUST guarantee to  restart new logger
 	err = os.Rename(w.Filename, fName)
-	err = os.Chmod(fName, os.FileMode(440))
+	err = os.Chmod(fName, os.FileMode(0440))
 	// re-start logger
 RESTART_LOGGER: