diff --git a/src/components/Auth/AuthFormContent.js b/src/components/Auth/AuthFormContent.js
index 370415d5..8343bd05 100644
--- a/src/components/Auth/AuthFormContent.js
+++ b/src/components/Auth/AuthFormContent.js
@@ -37,7 +37,8 @@ import WechatRegister from './WechatRegister';
 
 // API配置
 const isProduction = process.env.NODE_ENV === 'production';
-const API_BASE_URL = isProduction ? "" : "http://49.232.185.254:5001";
+// 使用空字符串让请求通过 webpack proxy，避免跨域 cookie 问题
+const API_BASE_URL = "";
 
 // 统一配置对象
 const AUTH_CONFIG = {
@@ -154,12 +155,12 @@ export default function AuthFormContent() {
 
         try {
             setSendingCode(true);
-            const response = await fetch(`${API_BASE_URL}/api/auth/send-verification-code`, {
+            const response = await fetch('/api/auth/send-verification-code', {
                 method: 'POST',
                 headers: {
                     'Content-Type': 'application/json',
                 },
-                credentials: 'include',
+                credentials: 'include',  // 必须包含以支持跨域 session cookie
                 body: JSON.stringify({
                     credential,
                     type: 'phone',
@@ -243,12 +244,12 @@ export default function AuthFormContent() {
             };
 
             // 调用API（根据模式选择不同的endpoint
-            const response = await fetch(`${API_BASE_URL}/api/auth/login-with-code`, {
+            const response = await fetch('/api/auth/login-with-code', {
                 method: 'POST',
                 headers: {
                     'Content-Type': 'application/json',
                 },
-                credentials: 'include',
+                credentials: 'include',  // 必须包含以支持跨域 session cookie
                 body: JSON.stringify(requestBody),
             });
 
diff --git a/src/components/contexts/AuthContext.js b/src/components/contexts/AuthContext.js
index e65f097c..a697984e 100644
--- a/src/components/contexts/AuthContext.js
+++ b/src/components/contexts/AuthContext.js
@@ -3,10 +3,6 @@ import React, { createContext, useContext, useState, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { useToast } from '@chakra-ui/react';
 
-// API基础URL配置
-const isProduction = process.env.NODE_ENV === 'production';
-const API_BASE_URL = isProduction ? "" : process.env.REACT_APP_API_URL || "http://49.232.185.254:5001";
-
 // 创建认证上下文
 const AuthContext = createContext();
 
@@ -32,7 +28,7 @@ export const AuthProvider = ({ children }) => {
     try {
       console.log('🔍 检查Session状态...');
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/session`, {
+      const response = await fetch(`/api/auth/session`, {
         method: 'GET',
         credentials: 'include', // 重要：包含cookie
         headers: {
@@ -103,14 +99,14 @@ export const AuthProvider = ({ children }) => {
         formData.append('username', credential);
       }
 
-      console.log('📤 发送登录请求到:', `${API_BASE_URL}/api/auth/login`);
+      console.log('📤 发送登录请求到:', `/api/auth/login`);
       console.log('📝 请求数据:', {
         credential,
         loginType,
         formData: formData.toString()
       });
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/login`, {
+      const response = await fetch(`/api/auth/login`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/x-www-form-urlencoded',
@@ -181,7 +177,7 @@ export const AuthProvider = ({ children }) => {
       formData.append('email', email);
       formData.append('password', password);
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/register`, {
+      const response = await fetch(`/api/auth/register`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/x-www-form-urlencoded',
@@ -232,7 +228,7 @@ export const AuthProvider = ({ children }) => {
     try {
       setIsLoading(true);
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/register/phone`, {
+      const response = await fetch(`/api/auth/register/phone`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
@@ -288,7 +284,7 @@ export const AuthProvider = ({ children }) => {
     try {
       setIsLoading(true);
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/register/email`, {
+      const response = await fetch(`/api/auth/register/email`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
@@ -342,11 +338,12 @@ export const AuthProvider = ({ children }) => {
   // 发送手机验证码
   const sendSmsCode = async (phone) => {
     try {
-      const response = await fetch(`${API_BASE_URL}/api/auth/send-sms-code`, {
+      const response = await fetch(`/api/auth/send-sms-code`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
         },
+        credentials: 'include',  // 必须包含以支持跨域 session cookie
         body: JSON.stringify({ phone })
       });
 
@@ -384,11 +381,12 @@ export const AuthProvider = ({ children }) => {
   // 发送邮箱验证码
   const sendEmailCode = async (email) => {
     try {
-      const response = await fetch(`${API_BASE_URL}/api/auth/send-email-code`, {
+      const response = await fetch(`/api/auth/send-email-code`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
         },
+        credentials: 'include',  // 必须包含以支持跨域 session cookie
         body: JSON.stringify({ email })
       });
 
@@ -427,7 +425,7 @@ export const AuthProvider = ({ children }) => {
   const logout = async () => {
     try {
       // 调用后端登出API
-      await fetch(`${API_BASE_URL}/api/auth/logout`, {
+      await fetch(`/api/auth/logout`, {
         method: 'POST',
         credentials: 'include'
       });
@@ -476,7 +474,7 @@ export const AuthProvider = ({ children }) => {
       }
 
       // 获取用户权限信息
-      const response = await fetch(`${API_BASE_URL}/api/subscription/permissions`, {
+      const response = await fetch(`/api/subscription/permissions`, {
         method: 'GET',
         credentials: 'include',
         headers: {
diff --git a/src/contexts/AuthContext.js b/src/contexts/AuthContext.js
index ee17ee83..9566616a 100755
--- a/src/contexts/AuthContext.js
+++ b/src/contexts/AuthContext.js
@@ -3,10 +3,6 @@ import React, { createContext, useContext, useState, useEffect } from 'react';
 import { useNavigate } from 'react-router-dom';
 import { useToast } from '@chakra-ui/react';
 
-// API基础URL配置
-const isProduction = process.env.NODE_ENV === 'production';
-const API_BASE_URL = isProduction ? "" : process.env.REACT_APP_API_URL || "http://49.232.185.254:5001";
-
 // 创建认证上下文
 const AuthContext = createContext();
 
@@ -36,7 +32,7 @@ export const AuthProvider = ({ children }) => {
       const controller = new AbortController();
       const timeoutId = setTimeout(() => controller.abort(), 5000); // 5秒超时
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/session`, {
+      const response = await fetch(`/api/auth/session`, {
         method: 'GET',
         credentials: 'include', // 重要：包含cookie
         headers: {
@@ -114,14 +110,14 @@ export const AuthProvider = ({ children }) => {
         formData.append('username', credential);
       }
 
-      console.log('📤 发送登录请求到:', `${API_BASE_URL}/api/auth/login`);
+      console.log('📤 发送登录请求到:', `/api/auth/login`);
       console.log('📝 请求数据:', {
         credential,
         loginType,
         formData: formData.toString()
       });
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/login`, {
+      const response = await fetch(`/api/auth/login`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/x-www-form-urlencoded',
@@ -194,7 +190,7 @@ export const AuthProvider = ({ children }) => {
       formData.append('email', email);
       formData.append('password', password);
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/register`, {
+      const response = await fetch(`/api/auth/register`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/x-www-form-urlencoded',
@@ -245,7 +241,7 @@ export const AuthProvider = ({ children }) => {
     try {
       setIsLoading(true);
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/register/phone`, {
+      const response = await fetch(`/api/auth/register/phone`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
@@ -301,7 +297,7 @@ export const AuthProvider = ({ children }) => {
     try {
       setIsLoading(true);
 
-      const response = await fetch(`${API_BASE_URL}/api/auth/register/email`, {
+      const response = await fetch(`/api/auth/register/email`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
@@ -355,11 +351,12 @@ export const AuthProvider = ({ children }) => {
   // 发送手机验证码
   const sendSmsCode = async (phone) => {
     try {
-      const response = await fetch(`${API_BASE_URL}/api/auth/send-sms-code`, {
+      const response = await fetch(`/api/auth/send-sms-code`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
         },
+        credentials: 'include',  // 必须包含以支持跨域 session cookie
         body: JSON.stringify({ phone })
       });
 
@@ -397,11 +394,12 @@ export const AuthProvider = ({ children }) => {
   // 发送邮箱验证码
   const sendEmailCode = async (email) => {
     try {
-      const response = await fetch(`${API_BASE_URL}/api/auth/send-email-code`, {
+      const response = await fetch(`/api/auth/send-email-code`, {
         method: 'POST',
         headers: {
           'Content-Type': 'application/json',
         },
+        credentials: 'include',  // 必须包含以支持跨域 session cookie
         body: JSON.stringify({ email })
       });
 
@@ -440,7 +438,7 @@ export const AuthProvider = ({ children }) => {
   const logout = async () => {
     try {
       // 调用后端登出API
-      await fetch(`${API_BASE_URL}/api/auth/logout`, {
+      await fetch(`/api/auth/logout`, {
         method: 'POST',
         credentials: 'include'
       });
diff --git a/src/services/eventService.js b/src/services/eventService.js
index 132a098f..f035e3d1 100755
--- a/src/services/eventService.js
+++ b/src/services/eventService.js
@@ -1,15 +1,10 @@
 // src/services/eventService.js
 
-// 判断当前是否是生产环境
-const isProduction = process.env.NODE_ENV === 'production';
-const API_BASE_URL = isProduction ? "" : process.env.REACT_APP_API_URL;
-//const API_BASE_URL = process.env.REACT_APP_API_URL || "http://49.232.185.254:5001";
-
 const apiRequest = async (url, options = {}) => {
     try {
-        console.log(`Making API request to: ${API_BASE_URL}${url}`);
+        console.log(`Making API request to: ${url}`);
 
-        const response = await fetch(`${API_BASE_URL}${url}`, {
+        const response = await fetch(url, {
             ...options,
             headers: {
                 'Content-Type': 'application/json',
@@ -322,7 +317,7 @@ export const stockService = {
             }
 
             const url = `/api/stock/${stockCode}/kline?${params.toString()}`;
-            console.log(`获取K线数据: ${API_BASE_URL}${url}`);
+            console.log(`获取K线数据: ${url}`);
 
             const response = await apiRequest(url);
 
@@ -387,7 +382,7 @@ export const indexService = {
             }
 
             const url = `/api/index/${indexCode}/kline?${params.toString()}`;
-            console.log(`获取指数K线数据: ${API_BASE_URL}${url}`);
+            console.log(`获取指数K线数据: ${url}`);
             const response = await apiRequest(url);
             return response;
         } catch (error) {
diff --git a/src/views/Authentication/SignIn/SignInIllustration.js b/src/views/Authentication/SignIn/SignInIllustration.js
index 09126b10..7cec1378 100755
--- a/src/views/Authentication/SignIn/SignInIllustration.js
+++ b/src/views/Authentication/SignIn/SignInIllustration.js
@@ -32,10 +32,6 @@ import AuthFooter from "../../../components/Auth/AuthFooter";
 import VerificationCodeInput from "../../../components/Auth/VerificationCodeInput";
 import WechatRegister from "../../../components/Auth/WechatRegister";
 
-// API配置
-const isProduction = process.env.NODE_ENV === 'production';
-const API_BASE_URL = isProduction ? "" : "http://49.232.185.254:5001";
-
 export default function SignInIllustration() {
     const navigate = useNavigate();
     const location = useLocation();
@@ -174,7 +170,7 @@ export default function SignInIllustration() {
 
         try {
             setSendingCode(true);
-            const response = await fetch(`${API_BASE_URL}/api/auth/send-verification-code`, {
+            const response = await fetch('/api/auth/send-verification-code', {
                 method: 'POST',
                 headers: {
                     'Content-Type': 'application/json',
@@ -234,7 +230,7 @@ export default function SignInIllustration() {
     // 验证码登录函数
     const loginWithVerificationCode = async (credential, verificationCode, authLoginType) => {
         try {
-            const response = await fetch(`${API_BASE_URL}/api/auth/login-with-code`, {
+            const response = await fetch('/api/auth/login-with-code', {
                 method: 'POST',
                 headers: {
                     'Content-Type': 'application/json',
diff --git a/src/views/Community/components/EventDiscussionModal.js b/src/views/Community/components/EventDiscussionModal.js
index 9cb7f116..f6d81bcb 100644
--- a/src/views/Community/components/EventDiscussionModal.js
+++ b/src/views/Community/components/EventDiscussionModal.js
@@ -42,9 +42,6 @@ import { format } from 'date-fns';
 import { zhCN } from 'date-fns/locale';
 import { eventService } from '../../../services/eventService';
 
-// 获取 API 基础地址
-const API_BASE_URL = process.env.NODE_ENV === 'production' ? '' : (process.env.REACT_APP_API_URL || 'http://49.232.185.254:5001');
-
 const EventDiscussionModal = ({ isOpen, onClose, eventId, eventTitle, discussionType = '事件讨论' }) => {
   const [posts, setPosts] = useState([]);
   const [newPostContent, setNewPostContent] = useState('');
@@ -67,7 +64,7 @@ const EventDiscussionModal = ({ isOpen, onClose, eventId, eventTitle, discussion
     
     setLoading(true);
     try {
-      const response = await fetch(`${API_BASE_URL}/api/events/${eventId}/posts?sort=latest&page=1&per_page=20`, {
+      const response = await fetch(`/api/events/${eventId}/posts?sort=latest&page=1&per_page=20`, {
         method: 'GET',
         headers: { 'Content-Type': 'application/json' },
         credentials: 'include'
@@ -101,7 +98,7 @@ const EventDiscussionModal = ({ isOpen, onClose, eventId, eventTitle, discussion
   const loadPostComments = async (postId) => {
     setLoadingComments(prev => ({ ...prev, [postId]: true }));
     try {
-      const response = await fetch(`${API_BASE_URL}/api/posts/${postId}/comments?sort=latest`, {
+      const response = await fetch(`/api/posts/${postId}/comments?sort=latest`, {
         method: 'GET',
         headers: { 'Content-Type': 'application/json' },
         credentials: 'include'
@@ -134,7 +131,7 @@ const EventDiscussionModal = ({ isOpen, onClose, eventId, eventTitle, discussion
     
     setSubmitting(true);
     try {
-      const response = await fetch(`${API_BASE_URL}/api/events/${eventId}/posts`, {
+      const response = await fetch(`/api/events/${eventId}/posts`, {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         credentials: 'include',
@@ -182,7 +179,7 @@ const EventDiscussionModal = ({ isOpen, onClose, eventId, eventTitle, discussion
     if (!window.confirm('确定要删除这个帖子吗？')) return;
     
     try {
-      const response = await fetch(`${API_BASE_URL}/api/posts/${postId}`, {
+      const response = await fetch(`/api/posts/${postId}`, {
         method: 'DELETE',
         headers: { 'Content-Type': 'application/json' },
         credentials: 'include'
@@ -219,7 +216,7 @@ const EventDiscussionModal = ({ isOpen, onClose, eventId, eventTitle, discussion
   // 点赞帖子
   const handleLikePost = async (postId) => {
     try {
-      const response = await fetch(`${API_BASE_URL}/api/posts/${postId}/like`, {
+      const response = await fetch(`/api/posts/${postId}/like`, {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         credentials: 'include'
@@ -251,7 +248,7 @@ const EventDiscussionModal = ({ isOpen, onClose, eventId, eventTitle, discussion
     if (!content?.trim()) return;
     
     try {
-      const response = await fetch(`${API_BASE_URL}/api/posts/${postId}/comments`, {
+      const response = await fetch(`/api/posts/${postId}/comments`, {
         method: 'POST',
         headers: { 'Content-Type': 'application/json' },
         credentials: 'include',
@@ -294,7 +291,7 @@ const EventDiscussionModal = ({ isOpen, onClose, eventId, eventTitle, discussion
     if (!window.confirm('确定要删除这条评论吗？')) return;
     
     try {
-      const response = await fetch(`${API_BASE_URL}/api/comments/${commentId}`, {
+      const response = await fetch(`/api/comments/${commentId}`, {
         method: 'DELETE',
         headers: { 'Content-Type': 'application/json' },
         credentials: 'include'