diff --git a/core/conf.js b/core/conf.js
index 5ead898..ff010da 100644
--- a/core/conf.js
+++ b/core/conf.js
@@ -4,12 +4,12 @@
 let ACCESS_KEY = '<YOU AK>';
 let SECRET_KEY = '<YOU SK>';
 
-let UP_HOST = 'http://upload.qiniu.com';
-let RS_HOST = 'http://rs.qbox.me';
-let RSF_HOST = 'http://rsf.qbox.me';
-let API_HOST = 'http://api.qiniu.com';
+let UP_HOST = 'https://upload.qiniu.com';
+let RS_HOST = 'https://rs.qbox.me';
+let RSF_HOST = 'https://rsf.qbox.me';
+let API_HOST = 'https://api.qiniu.com';
 let RPC_TIMEOUT = 3600000; // default rpc timeout: one hour
 
 export default {
   ACCESS_KEY,SECRET_KEY,UP_HOST,RS_HOST,RSF_HOST,API_HOST,RPC_TIMEOUT
-}
\ No newline at end of file
+}