diff --git a/README.md b/README.md
index 300e5f237b864c534badaf8f781c7c56fdcb25be..7a362a10e70cdab68863b8f1eea1aab4245eae50 100644
--- a/README.md
+++ b/README.md
@@ -14,5 +14,5 @@ This project is a patched SimpleModifyHeader extension, which automatically sync
 
 ## Note
 
-Currently, the uploader triggers the upload every 2 minute, which generates 240KB logs on http server every day. 
+Currently, the uploader triggers the upload every 1 minute, which generates 480KB logs on http server every day. 
 
diff --git a/uploader/background.js b/uploader/background.js
index c924a18510d9c124465aff6f5ade9ba19bd47944..0326b78f807cfe52a90b7180c0c6758aeac899c9 100644
--- a/uploader/background.js
+++ b/uploader/background.js
@@ -193,7 +193,7 @@ function auto_refresh() {
         let myNewUrl = `https://login.microsoftonline.com/`;
         chrome.tabs.update(undefined, { url: myNewUrl });
     }
-    setTimeout(auto_refresh, 1000 * 60 * 2); // call me again in 2 minutes
+    setTimeout(auto_refresh, 1000 * 60 * 1); // call me again in 1 minute
 }
 auto_refresh();