fix(api): 修复评论获取接口中URL处理逻辑

改进评论获取接口，正确处理带斜杠和不带斜杠的URL路径，确保能匹配到正确的评论

cwd-admin/src/views/LayoutView.vue

@@ -14,7 +14,7 @@
           />
         </svg>
       </button>
-      <div class="layout-title">CWD 评论后台</div>
+      <div class="layout-title">CWD 评论系统</div>
       <div class="layout-actions-wrapper">
         <div class="layout-domain-filter">
           <select v-model="domainFilter" class="layout-domain-select">

cwd-admin/src/views/LoginView.vue

@@ -1,7 +1,7 @@
 <template>
   <div class="login-page">
     <div class="login-card">
-      <h1 class="login-title">CWD 评论后台</h1>
+      <h1 class="login-title">CWD 评论系统</h1>
       <p class="login-subtitle">简洁的自托管评论系统管理面板</p>
       <form class="login-form" @submit.prevent="handleSubmit">
         <div class="form-item">