diff --git a/3.vue/5.server-render/nuxt-realworld/hooks/useComment.ts b/3.vue/5.server-render/nuxt-realworld/hooks/useComment.ts
new file mode 100644
index 0000000..2fb9190
--- /dev/null
+++ b/3.vue/5.server-render/nuxt-realworld/hooks/useComment.ts
@@ -0,0 +1,31 @@
+import {
+    getCommentsFromArticle,
+    type ArticleComment,
+    postComment,
+} from "~/service/comment"
+
+function useComment(slug: string) {
+    const comments = ref<ArticleComment[]>([])
+    const comment = ref("")
+
+    const getComment = async (watching = false) => {
+        const { data } = await getCommentsFromArticle(slug)
+
+        comments.value = data.value?.comments || []
+        watching &&
+            watch(data, (newData) => {
+                comments.value = newData?.comments || []
+            })
+    }
+
+    const handlePostComment = async (body: string) => {
+        if (!body) return
+        await postComment(slug, body.trim())
+        getComment()
+        comment.value = ""
+    }
+
+    return { comments, comment, getComment, handlePostComment }
+}
+
+export default useComment
diff --git a/3.vue/5.server-render/nuxt-realworld/pages/article/components/ArticleComments.vue b/3.vue/5.server-render/nuxt-realworld/pages/article/components/ArticleComments.vue
index 897a96d..3aa6298 100644
--- a/3.vue/5.server-render/nuxt-realworld/pages/article/components/ArticleComments.vue
+++ b/3.vue/5.server-render/nuxt-realworld/pages/article/components/ArticleComments.vue
@@ -1,7 +1,12 @@
 <template>
-    <form v-if="userInfo" class="card comment-form">
+    <form
+        v-if="userInfo"
+        class="card comment-form"
+        @submit.prevent="handlePostComment(comment)"
+    >
         <div class="card-block">
             <textarea
+                v-model="comment"
                 class="form-control"
                 placeholder="Write a comment..."
                 rows="3"
@@ -40,8 +45,7 @@
 </template>
 
 <script setup lang="ts">
-import type { Author } from "~/service/article"
-import { type ArticleComment, getCommentsFromArticle } from "~/service/comment"
+import useComment from "~/hooks/useComment"
 
 const props = defineProps({
     slug: {
@@ -50,15 +54,13 @@ const props = defineProps({
     },
 })
 
-const comments = ref<ArticleComment[]>([])
-const { userInfo } = userStore()
+const { comments, comment, handlePostComment, getComment } = useComment(
+    props.slug
+)
 
-const { data } = await getCommentsFromArticle(props.slug)
-comments.value = data.value?.comments || []
+const { userInfo } = userStore()
 
-watch(data, (newData) => {
-    comments.value = newData?.comments || []
-})
+getComment(true)
 </script>
 
 <style scoped></style>
diff --git a/3.vue/5.server-render/nuxt-realworld/service/comment.ts b/3.vue/5.server-render/nuxt-realworld/service/comment.ts
index bc8b616..e0ebf67 100644
--- a/3.vue/5.server-render/nuxt-realworld/service/comment.ts
+++ b/3.vue/5.server-render/nuxt-realworld/service/comment.ts
@@ -1,4 +1,4 @@
-import type { Author } from './article'
+import type { Author } from "./article"
 
 type ArticleComment = {
     id: string
@@ -14,5 +14,15 @@ function getCommentsFromArticle(slug: string) {
     })
 }
 
-export { getCommentsFromArticle }
+function postComment(slug: string, body: string) {
+    return post(`/articles/${slug}/comments`, {
+        body: {
+            comment: {
+                body,
+            },
+        },
+    })
+}
+
+export { getCommentsFromArticle, postComment }
 export type { ArticleComment }