diff --git a/ApacheDruid中文技术文档(持续更新中).pdf b/ApacheDruid中文技术文档(持续更新中).pdf
new file mode 100644
index 0000000..8917c9b
Binary files /dev/null and b/ApacheDruid中文技术文档(持续更新中).pdf differ
diff --git a/img/qrcode.png b/img/qrcode.png
new file mode 100644
index 0000000..c66fa58
Binary files /dev/null and b/img/qrcode.png differ
diff --git a/scripts/myscript.js b/scripts/myscript.js
index 84b4a69..cfc30c4 100644
--- a/scripts/myscript.js
+++ b/scripts/myscript.js
@@ -1,9 +1,9 @@
 
 var obox1 = document.createElement("div")
-obox1.innerHTML = '<img src = "/img/movie.jpeg" width = "275" height = "370" />';
+obox1.innerHTML = '<img src = "/img/qrcode.png" width = "275" height = "300" />';
 obox1.style.position = "fixed";
-obox1.style.right = "20px";
-obox1.style.bottom = "0px";
+obox1.style.right = "10px";
+obox1.style.bottom = "10px";
 obox1.style.display = "none";
 
 obox1.setAttribute("class", "movie")