diff --git a/personal-blog/frontend/src/pages/CrawlEdit.jsx b/personal-blog/frontend/src/pages/CrawlEdit.jsx
index 8a01db8..cced7d9 100644
--- a/personal-blog/frontend/src/pages/CrawlEdit.jsx
+++ b/personal-blog/frontend/src/pages/CrawlEdit.jsx
@@ -10,6 +10,7 @@ import { postsApi } from '../api/posts'
 import { categoriesApi } from '../api/categories'
 import { tagsApi } from '../api/tags'
 import { API_BASE_URL } from '../api/config'
+import { getErrorMessage } from '../utils/errorMessage'
 
 // 错误弹窗组件
 function ErrorModal({ message, onClose, onClear }) {
@@ -228,7 +229,7 @@ export function CrawlEdit() {
       await postsApi.createPost(data)
       navigate('/admin/posts')
     } catch (error) {
-      alert('保存失败: ' + (error.response?.data?.detail || '未知错误'))
+      alert('保存失败: ' + getErrorMessage(error))
     } finally {
       setSaving(false)
     }
diff --git a/personal-blog/frontend/src/pages/PostEdit.jsx b/personal-blog/frontend/src/pages/PostEdit.jsx
index 3339739..c63ce6d 100644
--- a/personal-blog/frontend/src/pages/PostEdit.jsx
+++ b/personal-blog/frontend/src/pages/PostEdit.jsx
@@ -10,6 +10,7 @@ import { postsApi } from '../api/posts'
 import { categoriesApi } from '../api/categories'
 import { tagsApi } from '../api/tags'
 import { API_BASE_URL } from '../api/config'
+import { getErrorMessage } from '../utils/errorMessage'
 
 import MDEditor from '@uiw/react-md-editor'
 import '@uiw/react-md-editor/markdown-editor.css'
@@ -247,7 +248,7 @@ export function PostEdit() {
 
       navigate('/admin/posts')
     } catch (error) {
-      alert('保存失败: ' + (error.response?.data?.detail || '未知错误'))
+      alert('保存失败: ' + getErrorMessage(error))
     } finally {
       setSaving(false)
     }
diff --git a/personal-blog/frontend/src/pages/UniversalCrawlEdit.jsx b/personal-blog/frontend/src/pages/UniversalCrawlEdit.jsx
index cb22016..b41b18c 100644
--- a/personal-blog/frontend/src/pages/UniversalCrawlEdit.jsx
+++ b/personal-blog/frontend/src/pages/UniversalCrawlEdit.jsx
@@ -9,6 +9,7 @@ import { Input, Textarea, Label, FormError } from '../components-preline/Input'
 import { categoriesApi } from '../api/categories'
 import { tagsApi } from '../api/tags'
 import { API_BASE_URL } from '../api/config'
+import { getErrorMessage } from '../utils/errorMessage'
 
 // 错误弹窗组件
 function ErrorModal({ message, onClose, onClear }) {
@@ -247,7 +248,7 @@ export function UniversalCrawlEdit() {
 
       navigate('/admin/posts')
     } catch (error) {
-      alert('保存失败: ' + (error.message || error.response?.data?.detail || '未知错误'))
+      alert('保存失败: ' + getErrorMessage(error))
     } finally {
       setSaving(false)
     }
diff --git a/personal-blog/frontend/src/pages/admin/Categories.jsx b/personal-blog/frontend/src/pages/admin/Categories.jsx
index 7090f87..03f4ec7 100644
--- a/personal-blog/frontend/src/pages/admin/Categories.jsx
+++ b/personal-blog/frontend/src/pages/admin/Categories.jsx
@@ -6,6 +6,7 @@ import { Card, CardHeader, CardTitle, CardDescription, CardBody, CardFooter } fr
 import { Button } from '../../components-preline/Button'
 import { Input, Textarea, Label } from '../../components-preline/Input'
 import { categoriesApi } from '../../api/categories'
+import { getErrorMessage } from '../../utils/errorMessage'
 
 // 分类列表项
 function CategoryItem({ category, isEditing, onEdit, onDelete }) {
@@ -134,7 +135,7 @@ export function Categories() {
       }
       fetchCategories()
     } catch (error) {
-      alert('删除失败: ' + (error.response?.data?.detail || '未知错误'))
+      alert('删除失败: ' + getErrorMessage(error))
     }
   }
   
diff --git a/personal-blog/frontend/src/utils/errorMessage.js b/personal-blog/frontend/src/utils/errorMessage.js
new file mode 100644
index 0000000..1522b4f
--- /dev/null
+++ b/personal-blog/frontend/src/utils/errorMessage.js
@@ -0,0 +1,15 @@
+// 统一错误信息提取
+// 优先级：服务端 detail > 网络异常提示 > error.message > 兜底文案
+export function getErrorMessage(error, fallback = '未知错误') {
+  if (error?.response?.data?.detail) return error.response.data.detail
+  // axios 网络错误(ERR_NETWORK/超时) 或 fetch 网络错误(TypeError) 归为网络异常
+  if (
+    error?.code === 'ERR_NETWORK' ||
+    error?.code === 'ECONNABORTED' ||
+    error?.name === 'TypeError' ||
+    /network error|failed to fetch|timeout|timed out/i.test(error?.message || '')
+  ) {
+    return '网络异常，请检查网络连接后重试'
+  }
+  return error?.message || fallback
+}