diff --git a/src/qupload.js b/src/qupload.js
index 51277ed..988191e 100644
--- a/src/qupload.js
+++ b/src/qupload.js
@@ -72,6 +72,11 @@
 
 			var uploadEndPoint = 'http://up.qiniu.com';
 
+			// if page loaded over HTTPS, then uploadEndPoint should be "https://up.qbox.me", see https://github.com/qiniu/js-sdk/blob/master/README.md#%E8%AF%B4%E6%98%8E
+			if(window && window.location && window.location.protocol==="https:"){
+				uploadEndPoint = "https://up.qbox.me";
+			}
+
 			var defaultsSetting = {
 				chunkSize: 1024 * 1024 * 4,
 				mkblkEndPoint: uploadEndPoint + '/mkblk/',
@@ -257,4 +262,4 @@ angular.module('angularQFileUpload').directive('ngFileSelect', ['$parse', '$time
 			});
 		};
 	}
-]);
\ No newline at end of file
+]);