feat: 更新用户注册和登录界面的文本提示，增强用户体验

src/views/auth/signup/index.vue

@@ -26,7 +26,7 @@ async function handleSubmit(values: Record<string, any>) {
 
     if (!data?.token) {
       toastController.create({
-        message: "注册失败，请重试",
+        message: t("auth.signup.signupFailed"),
         duration: 2000,
         color: "danger",
       }).then(toast => toast.present());
@@ -40,7 +40,7 @@ async function handleSubmit(values: Record<string, any>) {
   }
   catch (err) {
     toastController.create({
-      message: "注册失败，请重试",
+      message: t("auth.signup.signupFailed"),
       duration: 2000,
       color: "danger",
     }).then(toast => toast.present());