diff --git a/index.js b/index.js
index ade3fcc..6fac824 100644
--- a/index.js
+++ b/index.js
@@ -3,7 +3,7 @@
 const fetch = require('node-fetch');
 const fs = require('graceful-fs');
 const xmlFormatter = require('xml-formatter');
-const HttpsProxyAgent = require('http-proxy-agent');
+const HttpProxyAgent = require('http-proxy-agent');
 
 const utils = require('./lib/utils.js');
 const config = require('./conf/conf.json');
@@ -75,11 +75,9 @@
     }
   };
   if (config.proxy !== '') {
-    fetchOpts.agent = new HttpsProxyAgent(config.proxy);
+    fetchOpts.agent = new HttpProxyAgent(config.proxy);
   }
-  return fetch(target, {
-    fetchOpts
-  }).then((res) => res.json()).then(async function (res) {
+  return fetch(target, fetchOpts).then((res) => res.json()).then(async function (res) {
     const nextCursorMark = res.nextCursorMark;
     const docs = res.response.docs;
     const totalResult = parseInt(res.response.numFound);