diff --git a/res/basic-resources/404.html b/res/basic-resources/404.html
new file mode 100644
index 0000000..4bdcfcb
--- /dev/null
+++ b/res/basic-resources/404.html
@@ -0,0 +1,10 @@
+
+
+
+
+ $Title$
+
+
+$END$
+
+
\ No newline at end of file
diff --git a/res/lang/en_us.json b/res/lang/en_us.json
index 891416d..5119e89 100644
--- a/res/lang/en_us.json
+++ b/res/lang/en_us.json
@@ -34,7 +34,6 @@
"exit": "Exited.",
"webservice_ip": "Local webservice ip",
"connection_speed_too_fast": "Connection speed is too fast",
- "an_io_error": "An IO error.",
"noname": "No name.",
"hitokoto": "Get hitokoto successfully.",
"get_resource": "Get resource",
diff --git a/res/lang/zh_cn.json b/res/lang/zh_cn.json
index 3c0e142..c5fc9a2 100644
--- a/res/lang/zh_cn.json
+++ b/res/lang/zh_cn.json
@@ -33,7 +33,6 @@
"exit": "已退出",
"webservice_ip": "webservice地址",
"connection_speed_too_fast": "连接速度过快",
- "an_io_error": "一个IO错误",
"noname": "佚名",
"hitokoto": "一言获取成功",
"get_resource": "获取资源",