diff --git a/lib_base/src/main/java/com/android/base/utils/android/DevicesUtils.java b/lib_base/src/main/java/com/android/base/utils/android/DevicesUtils.java
index 98a6e99..77ab34a 100644
--- a/lib_base/src/main/java/com/android/base/utils/android/DevicesUtils.java
+++ b/lib_base/src/main/java/com/android/base/utils/android/DevicesUtils.java
@@ -64,7 +64,7 @@ public class DevicesUtils {
                 serial = Build.class.getField("SERIAL").get(null).toString();
             }
         } catch (Exception e) {
-            Timber.e(e,"getDeviceId");
+            Timber.w("getDeviceId error: " + e.getMessage());
         }
         if (serial == null) {
             //serial 需要一个初始化
@@ -74,9 +74,8 @@ public class DevicesUtils {
         return new UUID(M_SZ_DEV_ID_SHORT.hashCode(), serial.hashCode()).toString();
     }
 
-
     @SuppressLint("ObsoleteSdkInt")
-    public static String printSystemInfo() {
+    public static void printSystemInfo() {
         Date date = new Date(System.currentTimeMillis());
         @SuppressLint("SimpleDateFormat") SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
         String time = dateFormat.format(date);
@@ -117,11 +116,14 @@ public class DevicesUtils {
         }
 
         sb.append("\n_______ GINGERBREAD-9 _______");
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
-            sb.append("\nSERIAL             :").append(Build.SERIAL);
+        try {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.GINGERBREAD) {
+                sb.append("\nSERIAL             :").append(Build.SERIAL);
+            }
+        } catch (Exception ignore) {
         }
+
         Log.i("DEVICES", sb.toString());
-        return sb.toString();
     }
 
-}
+}
\ No newline at end of file
diff --git a/lib_base/src/main/java/com/android/base/utils/android/views/SizeEx.kt b/lib_base/src/main/java/com/android/base/utils/android/views/SizeEx.kt
index 7c47d34..fd013d6 100644
--- a/lib_base/src/main/java/com/android/base/utils/android/views/SizeEx.kt
+++ b/lib_base/src/main/java/com/android/base/utils/android/views/SizeEx.kt
@@ -1,3 +1,5 @@
+@file:JvmName("Sizes")
+
 package com.android.base.utils.android.views
 
 import android.util.TypedValue
diff --git a/lib_network/src/main/java/com/android/sdk/net/errorhandler/ErrorMessageFactory.java b/lib_network/src/main/java/com/android/sdk/net/errorhandler/ErrorMessageFactory.java
index 87f214e..0ec3ca5 100644
--- a/lib_network/src/main/java/com/android/sdk/net/errorhandler/ErrorMessageFactory.java
+++ b/lib_network/src/main/java/com/android/sdk/net/errorhandler/ErrorMessageFactory.java
@@ -9,7 +9,9 @@ import com.android.sdk.net.exception.ServerErrorException;
 import com.android.sdk.net.provider.ErrorMessage;
 
 import java.io.IOException;
+import java.util.List;
 
+import io.reactivex.exceptions.CompositeException;
 import retrofit2.HttpException;
 import timber.log.Timber;
 
@@ -24,42 +26,46 @@ public class ErrorMessageFactory {
         ErrorMessage mErrorMessage = NetContext.get().netProvider().errorMessage();
         Timber.d("createMessage with：%s", exception.toString());
 
+        //handle rx CompositeException
+        if (exception instanceof CompositeException) {
+            List<Throwable> exceptions = ((CompositeException) exception).getExceptions();
+            if (exceptions != null && !exceptions.isEmpty()) {
+                exception = exceptions.get(0);
+            }
+        }
+
         CharSequence message = null;
-        //SocketTimeoutException android NetworkErrorException extends IOException
+        //SocketTimeoutException, NetworkErrorException extends IOException
         //1：网络连接错误处理
         if (exception instanceof IOException || exception instanceof NetworkErrorException) {
             message = mErrorMessage.netErrorMessage(exception);
         }
+
         //2：服务器错误处理
         else if (exception instanceof ServerErrorException) {
-
             int errorType = ((ServerErrorException) exception).getErrorType();
             if (errorType == ServerErrorException.SERVER_DATA_ERROR) {
                 message = mErrorMessage.serverDataErrorMessage(exception);
             } else if (errorType == ServerErrorException.UNKNOW_ERROR) {
                 message = mErrorMessage.serverErrorMessage(exception);
             }
-
         }
+
         //3：响应码非200处理
         else if (exception instanceof HttpException) {
-
             int code = ((HttpException) exception).code();
             if (code >= 500/*http 500 表示服务器错误*/) {
                 message = mErrorMessage.serverErrorMessage(exception);
             } else if (code >= 400/*http 400 表示客户端请求出错*/) {
                 message = mErrorMessage.clientRequestErrorMessage(exception);
             }
+        }
 
-        } else {
-            //4：api 错误处理
-            if (exception instanceof ApiErrorException) {
-                message = exception.getMessage();
-                if (TextUtils.isEmpty(message)) {
-                    message = mErrorMessage.apiErrorMessage((ApiErrorException) exception);
-                }
-            } else {
-                throw new RuntimeException(exception);
+        //4：Api Error
+        else if (exception instanceof ApiErrorException) {
+            message = exception.getMessage();
+            if (TextUtils.isEmpty(message)) {
+                message = mErrorMessage.apiErrorMessage((ApiErrorException) exception);
             }
         }
 
@@ -74,4 +80,4 @@ public class ErrorMessageFactory {
         return str == null || str.toString().trim().length() == 0;
     }
 
-}
+}
\ No newline at end of file