fix some bug

src/main/java/cn/jpush/api/JPushClient.java

@@ -27,6 +27,7 @@
 import cn.jpush.api.schedule.model.SchedulePayload;
 import cn.jpush.api.schedule.model.TriggerPayload;
 import cn.jpush.api.utils.Preconditions;
+import com.google.gson.JsonObject;
 
 import java.util.Map;
 import java.util.Set;
@@ -269,6 +270,28 @@ public PushResult sendIosNotificationWithAlias(IosAlert alert,
                 .build();
         return _pushClient.sendPush(payload);
     }
+
+    /**
+     * Send an iOS notification with alias.
+     * If you want to send alert as a Json object, maybe this method is what you needed.
+     *
+     * @param alert The wrapper of APNs alert.
+     * @param extras The extra params.
+     * @param alias The alias list.
+     * @return
+     * @throws APIConnectionException
+     * @throws APIRequestException
+     */
+    public PushResult sendIosNotificationWithAlias(JsonObject alert,
+                                                   Map<String, String> extras, String... alias)
+            throws APIConnectionException, APIRequestException {
+        PushPayload payload = PushPayload.newBuilder()
+                .setPlatform(Platform.ios())
+                .setAudience(Audience.alias(alias))
+                .setNotification(Notification.ios(alert, extras))
+                .build();
+        return _pushClient.sendPush(payload);
+    }
 
     /**
      * Shortcut
@@ -306,6 +329,28 @@ public PushResult sendIosNotificationWithRegistrationID(IosAlert alert,
         return _pushClient.sendPush(payload);
     }
 
+    /**
+     * Send an iOS notification with registrationIds.
+     * If you want to send alert as a Json object, maybe this method is what you needed.
+     *
+     * @param alert The wrapper of APNs alert.
+     * @param extras The extra params.
+     * @param registrationID The registration ids.
+     * @return
+     * @throws APIConnectionException
+     * @throws APIRequestException
+     */
+    public PushResult sendIosNotificationWithRegistrationID(JsonObject alert,
+                                                            Map<String, String> extras, String... registrationID)
+            throws APIConnectionException, APIRequestException {
+        PushPayload payload = PushPayload.newBuilder()
+                .setPlatform(Platform.ios())
+                .setAudience(Audience.registrationId(registrationID))
+                .setNotification(Notification.ios(alert, extras))
+                .build();
+        return _pushClient.sendPush(payload);
+    }
+
 
     // ---------------------- shortcuts - message
 

src/main/java/cn/jpush/api/device/OnlineStatus.java

@@ -24,8 +24,8 @@ public void setLast_online_time(String last_online_time) {
     @Override
     public String toString() {
         if(null == last_online_time) {
-            return "OnlineStatus " + online;
+            return "status: " + online;
         }
-        return "OnlineStatus " + online + " ," + last_online_time;
+        return "status: " + online + " , last_online_time: " + last_online_time;
     }
 }

src/main/java/cn/jpush/api/push/model/notification/IosAlert.java

@@ -39,7 +39,7 @@ public JsonElement toJSON() {
             json.addProperty("title", title);
         }
 
-        if( StringUtils.isNotEmpty(title) ) {
+        if( StringUtils.isNotEmpty(body) ) {
             json.addProperty("body", body);
         }
 

src/main/java/cn/jpush/api/push/model/notification/PlatformNotification.java

@@ -42,9 +42,9 @@ public JsonElement toJSON() {
             if ( alert instanceof JsonObject) {
                 json.add(ALERT, (JsonObject) alert);
             } else if (alert instanceof IosAlert) {
-                json.add(PlatformNotification.ALERT, ((IosAlert) alert).toJSON());
+                json.add(ALERT, ((IosAlert) alert).toJSON());
             } else {
-                json.add(PlatformNotification.ALERT, new JsonPrimitive(alert.toString()));
+                json.add(ALERT, new JsonPrimitive(alert.toString()));
             }
         }