diff --git a/messages/en.json b/messages/en.json
index 0448213..cd13063 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -97,7 +97,8 @@
     "Servers": "servers"
   },
   "NotFoundPage": {
-    "h1_490-590_404NotFound": "404 Not Found",
-    "h1_490-590_404NotFoundBack": " Press here to go back"
+    "h1_490-590_404NotFound": "Server Not Found",
+    "h1_490-590_404NotFoundBack": " Press here to go back",
+    "h1_490-590_Error": "Something went wrong"
   }
 }
diff --git a/messages/ja.json b/messages/ja.json
index 488318e..c9b6b17 100644
--- a/messages/ja.json
+++ b/messages/ja.json
@@ -97,7 +97,8 @@
     "Servers": "サーバー"
   },
   "NotFoundPage": {
-    "h1_490-590_404NotFound": "404 見つかりませんでした",
-    "h1_490-590_404NotFoundBack": "戻る"
+    "h1_490-590_404NotFound": "サーバーは見つかりません",
+    "h1_490-590_404NotFoundBack": "戻る",
+    "h1_490-590_Error": "何らかの問題が発生しました"
   }
 }
diff --git a/messages/zh-t.json b/messages/zh-t.json
index 8f9c563..0f8a507 100644
--- a/messages/zh-t.json
+++ b/messages/zh-t.json
@@ -97,7 +97,8 @@
     "Servers": "個伺服器"
   },
   "NotFoundPage": {
-    "h1_490-590_404NotFound": "404 未找到",
-    "h1_490-590_404NotFoundBack": "返回"
+    "h1_490-590_404NotFound": "伺服器未找到",
+    "h1_490-590_404NotFoundBack": "返回",
+    "h1_490-590_Error": "發生錯誤"
   }
 }
diff --git a/messages/zh.json b/messages/zh.json
index 16c576a..74a7229 100644
--- a/messages/zh.json
+++ b/messages/zh.json
@@ -97,7 +97,8 @@
     "Servers": "个服务器"
   },
   "NotFoundPage": {
-    "h1_490-590_404NotFound": "404 未找到",
-    "h1_490-590_404NotFoundBack": "返回"
+    "h1_490-590_404NotFound": "服务器不存在",
+    "h1_490-590_404NotFoundBack": "返回",
+    "h1_490-590_Error": "发生错误"
   }
 }