diff --git a/lib/certMgr.js b/lib/certMgr.js
index 2bca293..1136ad8 100644
--- a/lib/certMgr.js
+++ b/lib/certMgr.js
@@ -85,9 +85,11 @@ crtMgr.trustRootCA = function *() {
       } else {
         console.error(result);
         logUtil.info('Failed to trust the root CA, please trust it manually');
+        util.guideToHomePage();
       }
     } else {
       logUtil.info('Please trust the root CA manually so https interception works');
+      util.guideToHomePage();
     }
   }
 
diff --git a/lib/util.js b/lib/util.js
index 54332c5..0d6a78c 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -216,7 +216,7 @@ function deleteFolderContentsRecursive(dirPath, ifClearFolderItself) {
     throw new Error('can_not_delete_this_dir');
   }
 
-  console.info('==>>> delete cache ', dirPath);
+  logUtil.info('==>>> clearing cache ', dirPath);
 
   if (fs.existsSync(dirPath)) {
     fs.readdirSync(dirPath).forEach((file) => {
@@ -324,3 +324,7 @@ module.exports.execScriptSync = function (cmd) {
     status
   };
 };
+
+module.exports.guideToHomePage = function () {
+  logUtil.info('Refer to http://anyproxy.io for more detail');
+};