diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index f0b16fe67..619f77359 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.hippo.ehviewer"
-    android:versionCode="12"
-    android:versionName="0.4.2" >
+    android:versionCode="13"
+    android:versionName="0.4.3" >
     
     <uses-sdk
         android:minSdkVersion="14"
diff --git a/bin/AndroidManifest.xml b/bin/AndroidManifest.xml
index f0b16fe67..619f77359 100644
--- a/bin/AndroidManifest.xml
+++ b/bin/AndroidManifest.xml
@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="com.hippo.ehviewer"
-    android:versionCode="12"
-    android:versionName="0.4.2" >
+    android:versionCode="13"
+    android:versionName="0.4.3" >
     
     <uses-sdk
         android:minSdkVersion="14"
diff --git a/bin/EhViewer.apk b/bin/EhViewer.apk
index 65e6c812b..5ef788e0a 100644
Binary files a/bin/EhViewer.apk and b/bin/EhViewer.apk differ
diff --git a/bin/classes.dex b/bin/classes.dex
index 6e255922b..5dcebc2be 100644
Binary files a/bin/classes.dex and b/bin/classes.dex differ
diff --git a/bin/resources.ap_ b/bin/resources.ap_
index e9959c4f1..f0a64ccd3 100644
Binary files a/bin/resources.ap_ and b/bin/resources.ap_ differ
diff --git a/res/raw/change_log b/res/raw/change_log
index 6b4710b9d..7b2743fa3 100644
--- a/res/raw/change_log
+++ b/res/raw/change_log
@@ -1,3 +1,6 @@
+Version 0.4.3 (2014-??-??)
+* 更丰富的错误提示
+
 Version 0.4.2 (2014-04-04)
 * 添加内置存储空间或 Sd Card 检测
 * 修正由于 gif 格式图片导致的崩溃
diff --git a/src/com/hippo/ehviewer/UpdateHelper.java b/src/com/hippo/ehviewer/UpdateHelper.java
index 18f6b86a7..44e4521ee 100644
--- a/src/com/hippo/ehviewer/UpdateHelper.java
+++ b/src/com/hippo/ehviewer/UpdateHelper.java
@@ -29,8 +29,8 @@ import com.hippo.ehviewer.util.ThreadPool.JobContext;
 import com.hippo.ehviewer.view.AlertButton;
 import com.hippo.ehviewer.widget.DialogBuilder;
 
-
 // TODO return onFailure when downloading update or check update
+// TODO add disable to achieve
 
 public class UpdateHelper {
     @SuppressWarnings("unused")
diff --git a/src/com/hippo/ehviewer/network/HttpHelper.java b/src/com/hippo/ehviewer/network/HttpHelper.java
index 005a09096..b6467317e 100644
--- a/src/com/hippo/ehviewer/network/HttpHelper.java
+++ b/src/com/hippo/ehviewer/network/HttpHelper.java
@@ -7,6 +7,7 @@ import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
 import java.net.MalformedURLException;
+import java.net.SocketException;
 import java.net.SocketTimeoutException;
 import java.net.URL;
 import java.net.URLEncoder;
@@ -74,10 +75,11 @@ public class HttpHelper {
         else if (mException instanceof RedirectionException)
             return mContext.getString(R.string.em_redirection_error);
         
-        else if (mException instanceof IOException)
-            return mContext.getString(R.string.em_network_error);
+        else if (mException instanceof SocketException)
+            return "SocketException : " + mException.getMessage();
         
-        return mContext.getString(R.string.em_unknown_error);
+        else
+            return mContext.getString(R.string.em_unknown_error) + " : " + mException.getMessage();
     }
     
     private String getPageContext(HttpURLConnection conn)