diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..30506ac
Binary files /dev/null and b/.DS_Store differ
diff --git a/public/common.js b/public/common.js
index 90549d6..736a75c 100644
--- a/public/common.js
+++ b/public/common.js
@@ -6,6 +6,7 @@ window.api = {
   async req(method, path, body) {
     const res = await fetch(path, {
       method,
+      credentials: "same-origin",
       headers: body ? { "Content-Type": "application/json" } : undefined,
       body: body ? JSON.stringify(body) : undefined,
     });