Task fix

GameClient/Assets/Game/HotUpdate/ServerProxy/PictureStorageHelper.cs

@@ -4,6 +4,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Net;
 using System.Net.Http;
+using System.Threading.Tasks;
 using ET;
 using FairyGUI;
 using UnityEngine;
@@ -38,7 +39,7 @@ namespace GFGGame
         }
 
         //将图片上传到华为云
-        public static async ETTask<bool> PushToHWCloud(string signUrl, byte[] buffer)
+        public static async Task<bool> PushToHWCloud(string signUrl, byte[] buffer)
         {
 
             HttpContent content = new ByteArrayContent(buffer);