diff --git a/app/src/main/assets/about_html/index_zh.html b/app/src/main/assets/about_html/index_zh.html
index 28585a7..7f332df 100644
--- a/app/src/main/assets/about_html/index_zh.html
+++ b/app/src/main/assets/about_html/index_zh.html
@@ -41,10 +41,10 @@
Copyright (C) 2017-2018 by iTXTech
admin@itxtech.org
+
-
-
This program is free software: you can redistribute it and/or modify
diff --git a/app/src/main/assets/about_html/itxtech_logo.png b/app/src/main/assets/about_html/itxtech.png
similarity index 100%
rename from app/src/main/assets/about_html/itxtech_logo.png
rename to app/src/main/assets/about_html/itxtech.png
diff --git a/app/src/main/java/org/itxtech/daedalus/Daedalus.java b/app/src/main/java/org/itxtech/daedalus/Daedalus.java
index 44c9d3d..76be386 100644
--- a/app/src/main/java/org/itxtech/daedalus/Daedalus.java
+++ b/app/src/main/java/org/itxtech/daedalus/Daedalus.java
@@ -48,6 +48,8 @@ public class Daedalus extends Application {
public static final List DNS_SERVERS = new ArrayList() {{
add(new DNSServer("101.132.183.99", R.string.server_pdomo_primary));
add(new DNSServer("193.112.15.186", R.string.server_pdomo_secondary));
+ add(new DNSServer("123.207.13.111", R.string.server_puredns_south_china));
+ add(new DNSServer("123.207.137.88", R.string.server_puredns_north_china));
}};
public static final List RULES = new ArrayList() {{
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 40252b4..cfe084a 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -85,6 +85,8 @@
PdoMo DNS 主服务器
PdoMo DNS 辅服务器
+ PureDNS 华南
+ PureDNS 华北
首选 DNS 服务器
备用 DNS 服务器
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 45c0d1b..2fd1665 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -85,6 +85,8 @@
PdoMo DNS 主伺服器
PdoMo DNS 輔伺服器
+ PureDNS 華南
+ PureDNS 華北
主要 DNS 伺服器
次要 DNS 伺服器
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 9956207..f992c4f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -90,6 +90,8 @@
PdoMo DNS Primary
PdoMo DNS Secondary
+ PureDNS South China
+ PureDNS North China
Primary DNS server
Secondary DNS server