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src/components/main-header.vue

@@ -17,7 +17,7 @@
 			<down-menu :title="langList.find((v) => v.value === locale)?.label || 'English'">
 				<router-link
 					class="link"
-					:to="`/${item.value}`"
+					:to="`/${item.value}${path}`"
 					v-for="item in langList"
 					:key="item.value"
 					v-show="item.value !== locale"
@@ -45,9 +45,10 @@
 	const token = computed(() => userInfoStore.state.token)
 	const route = useRoute()
 	const lang = computed(() => route.params.lang)
+	const path = computed(() => route.path.replace(new RegExp(`^/${lang.value}/`), '/'))
 	if (lang.value) setLang(lang.value)
 	watch(lang, (newVal) => {
-		setLang(newVal)
+		if (lang.value) setLang(newVal)
 	})
 	const langList = ref([
 		{