diff --git a/Storage/Storage.Test/ObjectTest.cs b/Storage/Storage.Test/ObjectTest.cs
index 8951501..4fdf29d 100644
--- a/Storage/Storage.Test/ObjectTest.cs
+++ b/Storage/Storage.Test/ObjectTest.cs
@@ -30,24 +30,6 @@ namespace LeanCloudTests {
             Assert.False(obj.IsDirty);
         }
 
-        [Test]
-        public async Task TestHttp() {
-            if (SynchronizationContext.Current == null) {
-                TestContext.Out.WriteLine("is null");
-            }
-            TestContext.Out.WriteLine($"current {SynchronizationContext.Current}");
-            var client = new HttpClient();
-            TestContext.Out.WriteLine($"request at {Thread.CurrentThread.ManagedThreadId}");
-            string url = $"{AVClient.CurrentConfiguration.RTMServer}/v1/route?appId={AVClient.CurrentConfiguration.ApplicationId}&secure=1";
-            var res = await client.GetAsync(url);
-            TestContext.Out.WriteLine($"get at {Thread.CurrentThread.ManagedThreadId}");
-            var data = await res.Content.ReadAsStringAsync();
-            res.Dispose();
-            TestContext.Out.WriteLine($"response at {Thread.CurrentThread.ManagedThreadId}");
-            TestContext.Out.WriteLine(data);
-            Assert.Pass();
-        }
-
         [Test]
         public async Task TestMassiveRequest() {
             await Task.Run(() => {
diff --git a/Storage/Storage.Test/UserTest.cs b/Storage/Storage.Test/UserTest.cs
index 4c6a1a6..4b5b012 100644
--- a/Storage/Storage.Test/UserTest.cs
+++ b/Storage/Storage.Test/UserTest.cs
@@ -42,7 +42,7 @@ namespace LeanCloudTests {
 
         [Test]
         public async Task Become() {
-            AVUser user = await AVUser.BecomeAsync("36idbfnt8hlmdo4rki0f5hevq");
+            AVUser user = await AVUser.BecomeAsync("o8onm9bq8z127lz837mi6qhcg");
             Assert.AreEqual(user, AVUser.CurrentUser);
             TestContext.Out.WriteLine($"{AVUser.CurrentUser.SessionToken} login");
         }
diff --git a/Storage/Storage.Test/Utils.cs b/Storage/Storage.Test/Utils.cs
index 2a111d9..2faa60b 100644
--- a/Storage/Storage.Test/Utils.cs
+++ b/Storage/Storage.Test/Utils.cs
@@ -34,7 +34,7 @@ namespace LeanCloudTests {
                 ApplicationKey = appKey,
                 MasterKey = masterKey,
                 ApiServer = apiServer,
-                EngineServer = engineServer,
+                EngineServer = engineServer
             });
             AVClient.UseMasterKey = !string.IsNullOrEmpty(masterKey);
             AVClient.HttpLog(TestContext.Out.WriteLine);
diff --git a/Storage/Storage/Internal/Command/AVCommandRunner.cs b/Storage/Storage/Internal/Command/AVCommandRunner.cs
index 660d51b..c40bec5 100644
--- a/Storage/Storage/Internal/Command/AVCommandRunner.cs
+++ b/Storage/Storage/Internal/Command/AVCommandRunner.cs
@@ -66,7 +66,9 @@ namespace LeanCloud.Storage.Internal {
                 }
             }
             // Session Token
-            if (AVUser.CurrentUser != null && !string.IsNullOrEmpty(AVUser.CurrentUser.SessionToken)) {
+            if (!request.Headers.Contains("X-LC-Session") &&
+                AVUser.CurrentUser != null &&
+                !string.IsNullOrEmpty(AVUser.CurrentUser.SessionToken)) {
                 request.Headers.Add("X-LC-Session", AVUser.CurrentUser.SessionToken);
             }
             PrintRequest(httpClient, request, content);