diff --git a/.htaccess b/.htaccess
new file mode 100755
index 0000000..0519ecb
--- /dev/null
+++ b/.htaccess
@@ -0,0 +1 @@
+ 
\ No newline at end of file
diff --git a/.user.ini b/.user.ini
new file mode 100644
index 0000000..65471b8
--- /dev/null
+++ b/.user.ini
@@ -0,0 +1 @@
+open_basedir=/www/wwwroot/js/node/AIPhotovoltaicAnalysis/:/tmp/
\ No newline at end of file
diff --git a/404.html b/404.html
new file mode 100755
index 0000000..6096254
--- /dev/null
+++ b/404.html
@@ -0,0 +1,16 @@
+<html>
+<style>
+	.btlink {
+	color: #20a53a;
+	text-decoration: none;
+}
+</style>
+<meta charset="UTF-8">
+<html>
+<head><title>404 Not Found</title></head>
+<body>
+<center><h1>404 Not Found</h1></center>
+<hr>
+<div style="text-align: center;font-size: 15px" >Power by <a class="btlink" href="https://www.bt.cn/?from=404" target="_blank">堡塔 (免费，高效和安全的托管控制面板)</a></div>
+</body>
+</html>
\ No newline at end of file
diff --git a/index.html b/index.html
index 64ecc89..a876f59 100755
--- a/index.html
+++ b/index.html
@@ -751,8 +751,11 @@
         q.addEventListener("click", () => {
           if (q.classList.contains("mainauestion")) {
             // q.style.display = 'none';
-            document.querySelector('.fourquestionmain').style.display = 'none';
-            document.querySelector('.sidequestion').style.display = 'flex';
+            if (!isMobile()) {
+              document.querySelector('.fourquestionmain').style.display = 'none';
+              document.querySelector('.sidequestion').style.display = 'flex';
+            }
+
           }
           isPre = true;
           console.log(isUpload, 88)
@@ -771,6 +774,10 @@
           sendMessage(true);
         });
       });
+      function isMobile() {
+        return /Android|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
+      }
+
       // getHistory();
       function getCookie(name) {
         const match = document.cookie.match(new RegExp('(^| )' + name + '=([^;]+)'));