fix bug

routers/router.go

@@ -21,6 +21,7 @@ func init() {
 		ExposeHeaders:    []string{"Content-Length", "Access-Control-Allow-Origin", "Access-Control-Allow-Headers", "Content-Type", "Sign"},
 		AllowCredentials: true,
 	}))
+	
 	ns := beego.NewNamespace("/api",
 		beego.NSNamespace("/home",
 			beego.NSInclude(