fix: 移除市民字樣

app/citizen-frontend/src/components/layout/DefaultLayout.vue

@@ -42,13 +42,13 @@
         <template #prepend>
           <v-avatar color="accent" size="48">
             <span class="text-white font-weight-bold text-h6">
-              {{ (store.userProfile.name || "市民").substring(0, 1) }}
+              {{ (store.userProfile.name || "姓名").substring(0, 1) }}
             </span>
           </v-avatar>
         </template>
 
         <v-list-item-title class="font-weight-bold">
-          {{ store.userProfile.name || "市民" }} 先生
+          {{ displayUserName }}
         </v-list-item-title>
 
         <v-list-item-subtitle class="text-white-50">{{
@@ -278,6 +278,7 @@
 <script setup lang="ts">
 import { ref, watch } from "vue";
 import { useRoute, useRouter } from "vue-router";
+import { useDisplayUserName } from "@/composables/useDisplayUserName";
 import { useAppStore } from "@/stores/app";
 import { useCourseStore } from "@/stores/course";
 
@@ -285,6 +286,7 @@ const store = useAppStore();
 const courseStore = useCourseStore();
 const router = useRouter();
 const route = useRoute();
+const displayUserName = useDisplayUserName(store.userProfile);
 
 const drawer = ref(false);
 const activeTab = ref("home");