diff --git a/common/cloudfunc.js b/common/cloudfunc.js
index 9d93467c..e682a520 100644
--- a/common/cloudfunc.js
+++ b/common/cloudfunc.js
@@ -22,6 +22,7 @@ module.exports.apiURL = '/api/v1';
 module.exports.MAX_FILE_SIZE = 500 * 1024;
 module.exports.Entity = Entity;
 module.exports.getHeaderField = getHeaderField;
+module.exports.getPathLink = getPathLink;
 
 module.exports.formatMsg = (msg, name, status) => {
     status = status || 'ok';
diff --git a/test/common/cloudfunc.js b/test/common/cloudfunc.js
index b0c5c8fe..ea0f4f90 100644
--- a/test/common/cloudfunc.js
+++ b/test/common/cloudfunc.js
@@ -199,3 +199,17 @@ test('cloudfunc: getHeaderField', (t) => {
     t.end();
 });
 
+test('cloudfunc: getPathLink: no url', (t) => {
+    t.throws(CloudFunc.getPathLink, 'should throw when no url');
+    t.end();
+});
+
+test('cloudfunc: getPathLink: no template', (t) => {
+    const url = 'http://abc.com';
+    const prefix = '';
+    const fn = () => CloudFunc.getPathLink(url, prefix);
+    
+    t.throws(fn, 'should throw when no template');
+    t.end();
+});
+