diff --git a/app/src/main/assets/no_network.html b/app/src/main/assets/no_network.html
index 6495a512..55d18072 100644
--- a/app/src/main/assets/no_network.html
+++ b/app/src/main/assets/no_network.html
@@ -1,30 +1,28 @@
-<!Doctype html>
-<html lang="zh">
+<!DOCTYPE html>
+<html lang="zh-Hant-TW">
 <head>
     <meta charset="utf-8">
     <style>
-            body{
-                margin: 0;
-                height: 100vh;
-                overflow: hidden;
-                background: #F3F3F3;
-            }
-            .main{
-                width: 50vw;
-                margin: 0 auto;
-                position: relative;
-                top: 30vh;
-            }
-            figure{
-            }
-            figcaption{
-                text-align:center;
-                color:#9b9b9b;
-                font-size: 2rem;
-            }
-            #icon{
-                width: 100%;
-            }
+        body {
+            margin: 0;
+            height: 100vh;
+            overflow: hidden;
+            background: #f3f3f3;
+        }
+        .main {
+            width: 50vw;
+            margin: 0 auto;
+            position: relative;
+            top: 30vh;
+        }
+        figcaption {
+            text-align: center;
+            color: #9b9b9b;
+            font-size: 2rem;
+        }
+        #icon {
+            width: 100%;
+        }
     </style>
 </head>
 <body>
@@ -39,9 +37,7 @@
                   transform="translate(0 -0.43)"/>
         </svg>
     </figure>
-    <figcaption>
-        無網路連接
-    </figcaption>
+    <figcaption>無網路連接</figcaption>
 </div>
 </body>
 </html>
