* LCIMMessage.cs:

* LCIMFileMessage.cs:
* LCIMBinaryMessage.cs:
* LCIMLocationMessage.cs:
* LCIMRecalledMessage.cs:
* LCIMMessageController.cs:

* LCIMTextMessage.cs: chore

Realtime/Internal/Controller/LCIMMessageController.cs

@@ -3,7 +3,6 @@ using System.Threading.Tasks;
 using System.Collections.Generic;
 using Newtonsoft.Json;
 using Google.Protobuf;
-using LeanCloud.Storage.Internal;
 using LeanCloud.Realtime.Protocol;
 
 namespace LeanCloud.Realtime.Internal.Controller {

Realtime/Message/LCIMBinaryMessage.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-
-namespace LeanCloud.Realtime {
+namespace LeanCloud.Realtime {
     public class LCIMBinaryMessage : LCIMMessage {
         public byte[] Data {
             get; internal set;

Realtime/Message/LCIMFileMessage.cs

@@ -37,6 +37,8 @@ namespace LeanCloud.Realtime {
             File = file;
         }
 
+        internal override int MessageType => FileMessageType;
+
         internal override Dictionary<string, object> Encode() {
             if (File == null) {
                 throw new Exception("File MUST NOT be null before sent.");
@@ -73,7 +75,5 @@ namespace LeanCloud.Realtime {
                 File.MetaData = metaData as Dictionary<string, object>;
             }
         }
-
-        internal override int MessageType => FileMessageType;
     }
 }

Realtime/Message/LCIMLocationMessage.cs

@@ -1,5 +1,4 @@
 using System.Collections.Generic;
-using Newtonsoft.Json;
 using LeanCloud.Storage;
 
 namespace LeanCloud.Realtime {

Realtime/Message/LCIMMessage.cs

@@ -1,7 +1,5 @@
 using System;
-using System.Linq;
 using System.Collections.Generic;
-using LeanCloud.Realtime.Protocol;
 
 namespace LeanCloud.Realtime {
     public abstract class LCIMMessage {

Realtime/Message/LCIMRecalledMessage.cs

@@ -1,5 +1,4 @@
-using System;
-
+
 namespace LeanCloud.Realtime {
     public class LCIMRecalledMessage {
         public LCIMRecalledMessage() {

Realtime/Message/LCIMTextMessage.cs

@@ -21,13 +21,13 @@ namespace LeanCloud.Realtime {
             return data;
         }
 
+        internal override int MessageType => TextMessageType;
+
         protected override void DecodeMessageData(Dictionary<string, object> msgData) {
             base.DecodeMessageData(msgData);
             if (msgData.TryGetValue("_lctext", out object value)) {
                 Text = value as string;
             }
         }
-
-        internal override int MessageType => TextMessageType;
     }
 }