diff --git a/lib/server/middleware.js b/lib/server/middleware.js
index 53f9f11..7e7c41d 100644
--- a/lib/server/middleware.js
+++ b/lib/server/middleware.js
@@ -10,5 +10,12 @@ function blacklist(arr = [], page = '') {
     };
 };
 
+function https() {
+    return function (ctx) {
+        ctx.origin = ctx.origin.replace('http:', 'https:')
+    }
+}
+
 exports.address = address;
-exports.blacklist = blacklist;
\ No newline at end of file
+exports.blacklist = blacklist;
+exports.https = https;