diff --git a/Merge/front/src/components/CreatePost.jsx b/Merge/front/src/components/CreatePost.jsx
index 9817ac0..1d2f306 100644
--- a/Merge/front/src/components/CreatePost.jsx
+++ b/Merge/front/src/components/CreatePost.jsx
@@ -1,5 +1,3 @@
-// src/components/CreatePost.jsx
-
 import React, { useState, useEffect } from 'react'
 import { useNavigate, useParams } from 'react-router-dom'
 import UploadPage from './UploadPage'
@@ -8,6 +6,7 @@
   updatePost, 
   fetchPost as fetchPostDetail 
 } from '../api/posts_wzy'
+import { getUserInfo } from '../utils/auth'
 import '../style/CreatePost.css'
 
 export default function CreatePost() {
@@ -36,6 +35,10 @@
     { id: 3, name: '我染上了拼豆' },
   ]
 
+  // 获取当前登录用户id
+  const user = getUserInfo()
+  const currentUserId = user?.id
+
   // 编辑模式：拉取原帖数据填入
   useEffect(() => {
     if (!isEdit) return
@@ -68,6 +71,10 @@
       setError('标题和正文必填')
       return
     }
+    if (!currentUserId) {
+      setError('未获取到用户ID，请重新登录')
+      return
+    }
     setError(null)
     try {
       if (isEdit) {
@@ -81,7 +88,7 @@
         alert('更新成功！')
       } else {
         await createPost({
-          user_id: 1,
+          user_id: currentUserId,
           topic_id: topicId || undefined,
           title: title.trim(),
           content: content.trim(),
