diff --git a/back/services/system.ts b/back/services/system.ts
index 47e8418b..5639dd2a 100644
--- a/back/services/system.ts
+++ b/back/services/system.ts
@@ -9,6 +9,7 @@ import ScheduleService from './schedule';
 import { spawn } from 'child_process';
 import SockService from './sock';
 import got from 'got';
+import { promiseExec } from '../config/util';
 
 @Service()
 export default class SystemService {
@@ -87,10 +88,9 @@ export default class SystemService {
       let lastVersion = '';
       let lastLog = '';
       try {
-        const result = await got.get(config.lastVersionFile, {
-          timeout: 30000,
-        });
-        const lastVersionFileContent = result.body;
+        const lastVersionFileContent = await promiseExec(
+          `curl ${config.lastVersionFile}`,
+        );
         lastVersion = lastVersionFileContent.match(versionRegx)![1];
         lastLog = lastVersionFileContent.match(logRegx)
           ? lastVersionFileContent.match(logRegx)![1]