diff --git a/src/api/case.js b/src/api/case.js
index 85620bfb..50588034 100644
--- a/src/api/case.js
+++ b/src/api/case.js
@@ -23,7 +23,7 @@ export const downloadErrorRecords = (params) => http.get('/xboe/m/boe/cases/reco
 // 案例删除接口deleteResearch
 export const deleteResearch = (params) => http.get("xboe/m/boe/cases/recommend/delete", { params });
 // 案例信息下载接口
-export const caseInfoDownload = (params) => http.get('xboe/m/boe/cases/recommend/info_download', { params })
+export const caseInfoDownload = (data) => http.post('xboe/m/boe/cases/recommend/info_download', data, { responseType: 'blob' })
 // 案例撤回接口
 export const rePushOrWithdraw = (data) => http.post('xboe/m/boe/cases/recommend/rePushOrWithdraw', data)
 // 案例推荐