diff --git a/cmd/upgrade/main.go b/cmd/upgrade/main.go
index 4d8eb2ee5..fc94fb16e 100644
--- a/cmd/upgrade/main.go
+++ b/cmd/upgrade/main.go
@@ -126,6 +126,26 @@ func main() {
 		})
 	})
 
+	// 同步配置
+	// 接受客户端上传的文件覆盖服务器上文件
+	r.POST("/sync", func(c *gin.Context) {
+		f, err := c.FormFile("file")
+		if err != nil {
+			log.Print(err)
+			return
+		}
+		if f.Filename!="config.json"{
+			log.Print("上传的配置文件不是config.json")
+			return
+		}
+		dst := path.Join(*wwwDir, f.Filename)
+		err = c.SaveUploadedFile(f, dst)
+		if err != nil {
+			log.Print(err)
+			return
+		}
+	})
+
 	err := r.Run("0.0.0.0:" + *port)
 	if err != nil {
 		log.Fatal(err)
diff --git a/cmd/upgrade/update b/cmd/upgrade/update
new file mode 100644
index 000000000..eae26c1c8
Binary files /dev/null and b/cmd/upgrade/update differ