diff --git a/src/main/java/com/github/shadowsocks/System.java b/src/main/java/com/github/shadowsocks/System.java
index 0a9cdd70..0f17bcaf 100755
--- a/src/main/java/com/github/shadowsocks/System.java
+++ b/src/main/java/com/github/shadowsocks/System.java
@@ -45,5 +45,4 @@ public class System {
 
   public static native void exec(String cmd);
   public static native String getABI();
-  public static native String getDNS1();
 }
diff --git a/src/main/jni/system.cpp b/src/main/jni/system.cpp
index 940d4bef..4e491eb2 100644
--- a/src/main/jni/system.cpp
+++ b/src/main/jni/system.cpp
@@ -6,18 +6,11 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <cpu-features.h>
-#include <sys/system_properties.h>
 
 #define LOGI(...) do { __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__); } while(0)
 #define LOGW(...) do { __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__); } while(0)
 #define LOGE(...) do { __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__); } while(0)
 
-jstring Java_com_github_shadowsocks_system_getdns1(JNIEnv *env, jobject thiz) {
-    char dns1[PROP_VALUE_MAX];
-    __system_property_get("net.dns1", dns1);
-    return env->NewStringUTF(dns1);
-}
-
 jstring Java_com_github_shadowsocks_system_getabi(JNIEnv *env, jobject thiz) {
   AndroidCpuFamily family = android_getCpuFamily();
   uint64_t features = android_getCpuFeatures();
@@ -52,9 +45,7 @@ static JNINativeMethod method_table[] = {
     { "exec", "(Ljava/lang/String;)V",
         (void*) Java_com_github_shadowsocks_system_exec },
     { "getABI", "()Ljava/lang/String;",
-        (void*) Java_com_github_shadowsocks_system_getabi },
-    { "getDNS1", "()Ljava/lang/String;",
-        (void*) Java_com_github_shadowsocks_system_getdns1 }
+        (void*) Java_com_github_shadowsocks_system_getabi }
 };
 
 /*
diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala
index 9ae5f9a7..915e0da3 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksNatService.scala
@@ -120,7 +120,7 @@ class ShadowsocksNatService extends Service with BaseService {
     } else {
       val conf = {
         if (config.isGFWList)
-          ConfigUtils.PDNSD_BYPASS.format("127.0.0.1", System.getDNS1, getString(R.string.exclude))
+          ConfigUtils.PDNSD_BYPASS.format("127.0.0.1", getString(R.string.exclude))
         else
           ConfigUtils.PDNSD.format("127.0.0.1")
       }
@@ -313,8 +313,8 @@ class ShadowsocksNatService extends Service with BaseService {
     init_sb.append(cmd_bypass.replace("0.0.0.0", "127.0.0.1"))
     if (config.isGFWList) {
       // Bypass DNS in China
-      init_sb.append(cmd_bypass.replace("-p tcp -d 0.0.0.0", "-d " + System.getDNS1))
       init_sb.append(cmd_bypass.replace("-p tcp -d 0.0.0.0", "-d 114.114.114.114"))
+      init_sb.append(cmd_bypass.replace("-p tcp -d 0.0.0.0", "-d 114.114.115.115"))
     }
     if (hasRedirectSupport) {
       init_sb
diff --git a/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala b/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
index 70018599..3f518e34 100644
--- a/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
+++ b/src/main/scala/com/github/shadowsocks/ShadowsocksVpnService.scala
@@ -77,7 +77,7 @@ class ShadowsocksVpnService extends VpnService with BaseService {
 
   def isByass(net: SubnetUtils): Boolean = {
     val info = net.getInfo
-    info.isInRange(config.proxy) || info.isInRange("114.114.114.114") || info.isInRange(System.getDNS1)
+    info.isInRange(config.proxy) || info.isInRange("114.114.114.114") || info.isInRange("114.114.115.115")
   }
 
   def startShadowsocksDaemon() {
@@ -92,7 +92,7 @@ class ShadowsocksVpnService extends VpnService with BaseService {
   def startDnsDaemon() {
     val conf = {
       if (config.isGFWList)
-        ConfigUtils.PDNSD_BYPASS.format("0.0.0.0", System.getDNS1, getString(R.string.exclude))
+        ConfigUtils.PDNSD_BYPASS.format("0.0.0.0", getString(R.string.exclude))
       else
         ConfigUtils.PDNSD.format("0.0.0.0")
     }
diff --git a/src/main/scala/com/github/shadowsocks/utils/ConfigUtils.scala b/src/main/scala/com/github/shadowsocks/utils/ConfigUtils.scala
index 3cfa56b1..f936b9b8 100644
--- a/src/main/scala/com/github/shadowsocks/utils/ConfigUtils.scala
+++ b/src/main/scala/com/github/shadowsocks/utils/ConfigUtils.scala
@@ -110,12 +110,12 @@ object ConfigUtils {
       |
       |server {
       | label = "china-servers";
-      | ip = %s, 114.114.114.114;
+      | ip = 114.114.114.114, 114.114.115.115;
       | uptest = none;
       | preset = on;
       | include = %s;
       | policy = excluded;
-      | timeout = 2;
+      | timeout = 3;
       |}
       |
       |server {
@@ -197,4 +197,4 @@ object ConfigUtils {
     new Config(isGlobalProxy, isGFWList, isBypassApps, isTrafficStat, isUdpDns, profileName, proxy,
       sitekey, encMethod, proxiedAppString, remotePort, localPort)
   }
-}
+}
\ No newline at end of file