Remove the StrictSlash

main.go

@@ -51,7 +51,6 @@ func main() {
 	log.Println("listening in address:", *addr)
 
 	r := mux.NewRouter()
-	r = r.StrictSlash(true)
 	apiRouter := r.PathPrefix("/api/").Subrouter()
 	mail := api.NewMail(*mailAddr, *mailPass, *mailServer, *baseURL)
 	err := api.Init(*dbPath, *signKey, mail, apiRouter)