optimize+注释

frontend/src/views/RegisterView.vue

@@ -1,3 +1,4 @@
+<!-- 注册页：邮箱验证码 + 密码，带密码强度提示 -->
 <script setup lang="ts">
 import { computed, onUnmounted, reactive, ref } from 'vue'
 import { useRouter } from 'vue-router'
@@ -34,7 +35,7 @@ const canSendCode = computed(() => {
   return /^[^@\s]+@[^@\s]+\.[^@\s]+$/.test(form.email)
 })
 
-// === 新增：密码强度计算逻辑 ===
+// 密码强度：根据长度、字母、数字、特殊字符计算 0~4 档
 const passwordStrength = computed(() => {
   const pwd = form.password
   if (!pwd) return 0
@@ -52,8 +53,6 @@ const strengthColor = computed(() => {
   return colors[passwordStrength.value]
 })
 
-// ==========================
-
 function startCooldown(seconds = CODE_RESEND_SECONDS) {
   countdown.value = Math.max(1, seconds)
   if (countdownTimer) clearInterval(countdownTimer)