diff --git a/README.md b/README.md
index 5e58a40..1841e63 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # JMessage PhoneGap / Cordova Plugin
 
-[![release](https://img.shields.io/badge/release-3.1.7-blue.svg)](https://github.com/jpush/jmessage-phonegap-plugin/releases)
+[![release](https://img.shields.io/badge/release-3.2.0-blue.svg)](https://github.com/jpush/jmessage-phonegap-plugin/releases)
 [![platforms](https://img.shields.io/badge/platforms-iOS%7CAndroid-green.svg)](https://github.com/jpush/jmessage-phonegap-plugin)
 [![Code Triagers Badge](https://www.codetriage.com/jpush/jmessage-phonegap-plugin/badges/users.svg)](https://www.codetriage.com/jpush/jmessage-phonegap-plugin)
 [![weibo](https://img.shields.io/badge/weibo-JPush-blue.svg)](http://weibo.com/jpush?refer_flag=1001030101_&is_all=1)
@@ -9,8 +9,6 @@
 
 若只需要简单的聊天功能，可优先考虑使用 [JMessage Web SDK](https://docs.jiguang.cn/jmessage/client/im_sdk_js_v2/)。
 
-**目前重构了 3.0.0+ 版本，Android, iOS 完全统一接口和对象字段，优化了 API 调用方式，不兼容老版本，升级时请注意。**
-
 ## Full Documentation
 
 完整文档请查阅 [wiki](https://github.com/jpush/jmessage-phonegap-plugin/wiki)，包括[安装指南](https://github.com/jpush/jmessage-phonegap-plugin/wiki/Installation-Guide)、[API 说明](https://github.com/jpush/jmessage-phonegap-plugin/wiki/APIs)等。
diff --git a/package.json b/package.json
index 2ca9acb..b24f034 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "jmessage-phonegap-plugin",
-    "version": "3.1.7",
+    "version": "3.2.0",
     "description": "JMessage Cordova Plugin.",
     "cordova": {
         "id": "jmessage-phonegap-plugin",
diff --git a/plugin.xml b/plugin.xml
index 1e9c18a..0aa888e 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -2,7 +2,7 @@
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
         xmlns:android="http://schemas.android.com/apk/res/android"
         id="jmessage-phonegap-plugin"
-        version="3.1.7">
+        version="3.2.0">
 
     <name>JMessage</name>
     <description>集成极光 IM 和推送功能</description>
diff --git a/src/android/JsonUtils.java b/src/android/JsonUtils.java
index 755392a..53adc3e 100644
--- a/src/android/JsonUtils.java
+++ b/src/android/JsonUtils.java
@@ -127,20 +127,23 @@ static JSONObject toJson(Message msg) {
             result.put("from", toJson(msg.getFromUser()));  // 消息发送者
             result.put("isSend", msg.getDirect() == MessageDirect.send);    // 消息是否是由当前用户发出
 
-            if (msg.getDirect() == MessageDirect.send) {    // 消息发送
-                if (msg.getTargetType() == ConversationType.single) {   // 消息发送对象的类型
-                    result.put("target", toJson((UserInfo) msg.getTargetInfo()));
-                } else if (msg.getTargetType() == ConversationType.group) {
-                    result.put("target", toJson((GroupInfo) msg.getTargetInfo()));
-                }
-
-            } else if (msg.getDirect() == MessageDirect.receive) {    // 消息接收
-                if (msg.getTargetType() == ConversationType.single) {
-                    result.put("target", toJson(JMessageClient.getMyInfo()));
-                } else if (msg.getTargetType() == ConversationType.group) {
-                    result.put("target", toJson((GroupInfo) msg.getTargetInfo()));
-                }
+            JSONObject targetJson = null;
+            switch (msg.getTargetType()) {
+                case single:
+                    if (msg.getDirect() == MessageDirect.send) {    // 消息发送
+                        targetJson = toJson((UserInfo) msg.getTargetInfo());
+                    } else {    // 消息接收
+                        targetJson = toJson(JMessageClient.getMyInfo());
+                    }
+                    break;
+                case group:
+                    targetJson = toJson((GroupInfo) msg.getTargetInfo());
+                    break;
+                case chatroom:
+                    targetJson = toJson((ChatRoomInfo) msg.getTargetInfo());
+                    break;
             }
+            result.put("target", targetJson);
 
             MessageContent content = msg.getContent();
             if (content.getStringExtras() != null) {
diff --git a/src/ios/Plugins/JMessageHelper.m b/src/ios/Plugins/JMessageHelper.m
index d63c7ca..18dc66a 100644
--- a/src/ios/Plugins/JMessageHelper.m
+++ b/src/ios/Plugins/JMessageHelper.m
@@ -419,63 +419,63 @@ - (NSMutableDictionary *)messageToDictionary {
       
       switch (eventContent.eventType) {
         case kJMSGEventNotificationAcceptedFriendInvitation: {
-          dict[@"evenType"] = @"acceptedFriendInvitation";
+          dict[@"eventType"] = @"acceptedFriendInvitation";
           break;
         }
         case kJMSGEventNotificationAddGroupMembers: {
-          dict[@"evenType"] = @"group_member_added";
+          dict[@"eventType"] = @"group_member_added";
           break;
         }
         case kJMSGEventNotificationCreateGroup: {
-          dict[@"evenType"] = @"createGroup";
+          dict[@"eventType"] = @"createGroup";
           break;
         }
         case kJMSGEventNotificationCurrentUserInfoChange: {
-          dict[@"evenType"] = @"currentUserInfoChange";
+          dict[@"eventType"] = @"currentUserInfoChange";
           break;
         }
         case kJMSGEventNotificationDeclinedFriendInvitation: {
-          dict[@"evenType"] = @"declinedFriendInvitation";
+          dict[@"eventType"] = @"declinedFriendInvitation";
           break;
         }
         case kJMSGEventNotificationDeletedFriend: {
-          dict[@"evenType"] = @"deletedFriend";
+          dict[@"eventType"] = @"deletedFriend";
           break;
         }
         case kJMSGEventNotificationExitGroup: {
-          dict[@"evenType"] = @"group_member_exit";
+          dict[@"eventType"] = @"group_member_exit";
           break;
         }
         case kJMSGEventNotificationLoginKicked: {
-          dict[@"evenType"] = @"loginKicked";
+          dict[@"eventType"] = @"loginKicked";
           break;
         }
         case kJMSGEventNotificationMessageRetract: {
-          dict[@"evenType"] = @"messageRetract";
+          dict[@"eventType"] = @"messageRetract";
           break;
         }
         case kJMSGEventNotificationReceiveFriendInvitation: {
-          dict[@"evenType"] = @"receiveFriendInvitation";
+          dict[@"eventType"] = @"receiveFriendInvitation";
           break;
         }
         case kJMSGEventNotificationReceiveServerFriendUpdate: {
-          dict[@"evenType"] = @"receiveServerFriendUpdate";
+          dict[@"eventType"] = @"receiveServerFriendUpdate";
           break;
         }
         case kJMSGEventNotificationRemoveGroupMembers: {
-          dict[@"evenType"] = @"group_member_removed";
+          dict[@"eventType"] = @"group_member_removed";
           break;
         }
         case kJMSGEventNotificationServerAlterPassword: {
-          dict[@"evenType"] = @"serverAlterPassword";
+          dict[@"eventType"] = @"serverAlterPassword";
           break;
         }
         case kJMSGEventNotificationUpdateGroupInfo: {
-          dict[@"evenType"] = @"updateGroupInfo";
+          dict[@"eventType"] = @"updateGroupInfo";
           break;
         }
         case kJMSGEventNotificationUserLoginStatusUnexpected: {
-          dict[@"evenType"] = @"userLoginStatusUnexpected";
+          dict[@"eventType"] = @"userLoginStatusUnexpected";
           break;
         }
         default:
diff --git a/src/ios/Plugins/JMessagePlugin.h b/src/ios/Plugins/JMessagePlugin.h
index 564c29e..41e7bc6 100644
--- a/src/ios/Plugins/JMessagePlugin.h
+++ b/src/ios/Plugins/JMessagePlugin.h
@@ -71,13 +71,13 @@
 - (void)setConversationExtras:(CDVInvokedUrlCommand *)command;
 
 // 聊天室 API
-- (void)getChatroomInfoListOfApp:(CDVInvokedUrlCommand *)command;
-- (void)getChatroomInfoListOfUser:(CDVInvokedUrlCommand *)command;
-- (void)getChatroomInfoListById:(CDVInvokedUrlCommand *)command;
-- (void)enterChatroom:(CDVInvokedUrlCommand *)command;
-- (void)exitChatroom:(CDVInvokedUrlCommand *)command;
-- (void)getChatroomConversation:(CDVInvokedUrlCommand *)command;
-- (void)getChatroomConversationList:(CDVInvokedUrlCommand *)command;
-- (void)getChatroomOwner:(CDVInvokedUrlCommand *)command;
+- (void)getChatRoomInfoListOfApp:(CDVInvokedUrlCommand *)command;
+- (void)getChatRoomInfoListOfUser:(CDVInvokedUrlCommand *)command;
+- (void)getChatRoomInfoListById:(CDVInvokedUrlCommand *)command;
+- (void)enterChatRoom:(CDVInvokedUrlCommand *)command;
+- (void)exitChatRoom:(CDVInvokedUrlCommand *)command;
+- (void)getChatRoomConversation:(CDVInvokedUrlCommand *)command;
+- (void)getChatRoomConversationList:(CDVInvokedUrlCommand *)command;
+- (void)getChatRoomOwner:(CDVInvokedUrlCommand *)command;
 
 @end
diff --git a/src/ios/Plugins/JMessagePlugin.m b/src/ios/Plugins/JMessagePlugin.m
index 8624f29..375b33d 100644
--- a/src/ios/Plugins/JMessagePlugin.m
+++ b/src/ios/Plugins/JMessagePlugin.m
@@ -112,7 +112,7 @@ -(void)initNotifications {
                           name:kJJMessageReceiveMessage
                         object:nil];
   [defaultCenter addObserver:self
-                    selector:@selector(didReceiveJMessageChatroomMessage:)
+                    selector:@selector(didReceiveJMessageChatRoomMessage:)
                         name:kJJMessageReceiveChatroomMessage
                       object:nil];
     
@@ -451,8 +451,8 @@ - (void)didReceiveJMessageMessage:(NSNotification *)notification {
     [self.commandDelegate sendPluginResult:result callbackId:self.callBack.callbackId];
 }
 
-- (void)didReceiveJMessageChatroomMessage:(NSNotification *)notification {
-  CDVPluginResult *result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:@{@"eventName": @"receiveChatroomMessage", @"value": notification.object}];
+- (void)didReceiveJMessageChatRoomMessage:(NSNotification *)notification {
+  CDVPluginResult *result = [CDVPluginResult resultWithStatus:CDVCommandStatus_OK messageAsDictionary:@{@"eventName": @"receiveChatRoomMessage", @"value": notification.object}];
   [result setKeepCallback:@(true)];
   
   [self.commandDelegate sendPluginResult:result callbackId:self.callBack.callbackId];
@@ -2156,22 +2156,23 @@ - (void)deleteMessageById:(CDVInvokedUrlCommand *)command {
   }];
 }
 
-- (void)getChatroomInfoListOfApp:(CDVInvokedUrlCommand *)command {
+- (void)getChatRoomInfoListOfApp:(CDVInvokedUrlCommand *)command {
   NSDictionary * param = [command argumentAtIndex:0];
   NSNumber *start = nil;
   NSNumber *count = nil;
-  if (!param[@"start"]) {
+  if (param[@"start"]) {
     [self returnParamError:command];
-    start = param[@"start"];
     return;
   }
   
-  if (!param[@"count"]) {
+  if (param[@"count"]) {
     [self returnParamError:command];
-    count = param[@"count"];
     return;
   }
   
+  start = param[@"start"];
+  count = param[@"count"];
+  
   NSString *appKey = nil;
   if (param[@"appKey"]) {
     appKey = param[@"appKey"];
@@ -2194,7 +2195,7 @@ - (void)getChatroomInfoListOfApp:(CDVInvokedUrlCommand *)command {
   }];
 }
 
-- (void)getChatroomInfoListOfUser:(CDVInvokedUrlCommand *)command {
+- (void)getChatRoomInfoListOfUser:(CDVInvokedUrlCommand *)command {
   [JMSGChatRoom getMyChatRoomListCompletionHandler:^(id resultObject, NSError *error) {
     if (error) {
       [self handleResultWithDictionary: nil command: command error: error];
@@ -2211,7 +2212,7 @@ - (void)getChatroomInfoListOfUser:(CDVInvokedUrlCommand *)command {
   }];
 }
 
-- (void)getChatroomInfoListById:(CDVInvokedUrlCommand *)command {
+- (void)getChatRoomInfoListById:(CDVInvokedUrlCommand *)command {
   NSDictionary * param = [command argumentAtIndex:0];
   
   if (!param[@"roomIds"]) {
@@ -2235,7 +2236,7 @@ - (void)getChatroomInfoListById:(CDVInvokedUrlCommand *)command {
   }];
 }
 
-- (void)enterChatroom:(CDVInvokedUrlCommand *)command {
+- (void)enterChatRoom:(CDVInvokedUrlCommand *)command {
   NSDictionary * param = [command argumentAtIndex:0];
   
   if (!param[@"roomId"]) {
@@ -2255,7 +2256,7 @@ - (void)enterChatroom:(CDVInvokedUrlCommand *)command {
   }];
 }
 
-- (void)exitChatroom:(CDVInvokedUrlCommand *)command {
+- (void)exitChatRoom:(CDVInvokedUrlCommand *)command {
   NSDictionary * param = [command argumentAtIndex:0];
   
   if (!param[@"roomId"]) {
@@ -2272,7 +2273,7 @@ - (void)exitChatroom:(CDVInvokedUrlCommand *)command {
   }];
 }
 
-- (void)getChatroomConversation:(CDVInvokedUrlCommand *)command {
+- (void)getChatRoomConversation:(CDVInvokedUrlCommand *)command {
   NSDictionary * param = [command argumentAtIndex:0];
   
   if (!param[@"roomId"]) {
@@ -2291,7 +2292,7 @@ - (void)getChatroomConversation:(CDVInvokedUrlCommand *)command {
   [self handleResultWithDictionary:[chatRoomConversation conversationToDictionary] command:command error: error];
 }
 
-- (void)getChatroomConversationList:(CDVInvokedUrlCommand *)command {
+- (void)getChatRoomConversationList:(CDVInvokedUrlCommand *)command {
   
   [JMSGConversation allChatRoomConversation:^(id resultObject, NSError *error) {
     if (error) {
@@ -2309,7 +2310,7 @@ - (void)getChatroomConversationList:(CDVInvokedUrlCommand *)command {
   }];
 }
 
-- (void)getChatroomOwner:(CDVInvokedUrlCommand *)command {
+- (void)getChatRoomOwner:(CDVInvokedUrlCommand *)command {
   NSDictionary * param = [command argumentAtIndex:0];
   
   if (!param[@"roomId"]) {
diff --git a/www/JMessagePlugin.js b/www/JMessagePlugin.js
index e9d8edd..2b90e43 100644
--- a/www/JMessagePlugin.js
+++ b/www/JMessagePlugin.js
@@ -823,6 +823,7 @@ var JMessagePlugin = {
   ChatRoom: {
     /**
      * 获取当前应用所属聊天室的信息。
+     * 
      * @param {object} params = {
      *  start: number,  // 索引起始位置，从 0 开始。
      *  count: number   // 查询个数。
@@ -888,7 +889,7 @@ var JMessagePlugin = {
       exec(success, error, PLUGIN_NAME, 'exitChatRoom', [params])
     },
     /**
-     * 获取聊天室会话信息。如果无法返回
+     * 获取聊天室会话信息。
      *
      * @param {object} params = { roomId: String }
      * @param {function} success = function (conversation) {}