diff --git a/src/views/EventDetail/components/RelatedConcepts.js b/src/views/EventDetail/components/RelatedConcepts.js
index 2279fa6b..063d5781 100644
--- a/src/views/EventDetail/components/RelatedConcepts.js
+++ b/src/views/EventDetail/components/RelatedConcepts.js
@@ -34,9 +34,6 @@ import moment from 'moment';
 import tradingDayUtils from '../../../utils/tradingDayUtils'; // 引入交易日工具
 import { logger } from '../../../utils/logger';
 
-// API配置
-const API_BASE_URL = process.env.NODE_ENV === 'production' ? '/concept-api' : 'https://valuefrontier.cn/concept-api';
-
 // 增强版 ConceptCard 组件 - 展示更多数据细节
 const ConceptCard = ({ concept, tradingDate, onViewDetails }) => {
     const [isExpanded, setIsExpanded] = useState(false);
@@ -331,7 +328,7 @@ const RelatedConcepts = ({ eventTitle, eventTime, eventId, loading: externalLoad
 
             logger.debug('RelatedConcepts', '搜索概念', requestBody);
 
-            const response = await fetch(`${API_BASE_URL}/search`, {
+            const response = await fetch('/concept-api/search', {
                 method: 'POST',
                 headers: {
                     'Content-Type': 'application/json',