fix: 修复API路径双重/api问题

- request.ts: baseURL从http://localhost:8080/api改为http://localhost:8080
- 避免baseURL和API路径叠加导致/api/api/xxx

src/utils/request.ts

@@ -2,7 +2,7 @@ import axios, { AxiosInstance, AxiosError, InternalAxiosRequestConfig } from 'ax
 import type { ApiResponse } from '@/types'
 
 const request: AxiosInstance = axios.create({
-  baseURL: import.meta.env.VITE_API_BASE_URL || 'http://localhost:8080/api',
+  baseURL: import.meta.env.VITE_API_BASE_URL || 'http://localhost:8080',
   timeout: 10000
 })