diff --git a/Assets/QFramework/Example/ResKitExample/SpriteAtlas/TestSpriteAtlas.cs b/Assets/QFramework/Example/ResKitExample/SpriteAtlas/TestSpriteAtlas.cs
index 4dd39560c..56b4d9ca0 100755
--- a/Assets/QFramework/Example/ResKitExample/SpriteAtlas/TestSpriteAtlas.cs
+++ b/Assets/QFramework/Example/ResKitExample/SpriteAtlas/TestSpriteAtlas.cs
@@ -37,24 +37,26 @@ namespace QFramework
 	public class TestSpriteAtlas : MonoBehaviour
 	{
 		[SerializeField] private Image mImage;
-		
+
 		// Use this for initialization
 		private IEnumerator Start()
 		{
 			var loader = ResLoader.Allocate();
-			
+
 			ResMgr.Init();
 
+#if UNITY_2017_1_OR_NEWER
 			var spriteAtlas = loader.LoadSync<SpriteAtlas>("spriteatlas");
 			var square = spriteAtlas.GetSprite("Square");
 			Log.I(spriteAtlas.spriteCount);
 
 			mImage.sprite = square;
-			
+#endif
+
 			yield return new WaitForSeconds(5.0f);
-			
+
 			loader.Recycle2Cache();
 			loader = null;
 		}
 	}
-}
+}
\ No newline at end of file
diff --git a/Assets/QFramework/Framework/0.Core/8.CrossPlatformAPI/UnityAPI.cs b/Assets/QFramework/Framework/0.Core/8.CrossPlatformAPI/UnityAPI.cs
index dae4df723..580205f25 100644
--- a/Assets/QFramework/Framework/0.Core/8.CrossPlatformAPI/UnityAPI.cs
+++ b/Assets/QFramework/Framework/0.Core/8.CrossPlatformAPI/UnityAPI.cs
@@ -17,7 +17,8 @@ public IDisposable HttpGet(string url, Dictionary<string, string> headers, Actio
 			return ObservableWWW.Get(url, headers).Subscribe(onResponse);
 		}
 
-		public IDisposable HttpPost(string url, Dictionary<string, string> headers, Dictionary<string, string> form, Action<string> onResponse)
+		public IDisposable HttpPost(string url, Dictionary<string, string> headers, Dictionary<string, string> form,
+			Action<string> onResponse)
 		{
 			var wwwForm = new WWWForm();
 
@@ -42,7 +43,7 @@ public IDisposable HttpPatch(string url, Dictionary<string, string> headers,
 			contentDict.ForEach((key, value) => { jsonForm[key] = value; });
 
 			var content = new ByteArrayContent(Encoding.UTF8.GetBytes(jsonForm.ToString()), "application/json");
-			
+
 			httpClient.Patch(new Uri(url), content, (responseContent) => { onResponse(responseContent.Data); });
 
 			return Disposable.Create(() => httpClient.Abort());
@@ -57,9 +58,15 @@ public IDisposable HttpDelete(string url, Dictionary<string, string> headers, Ac
 				headers.ForEach((k, v) => { request.SetRequestHeader(k, v); });
 			}
 
+#if UNITY_2017_1_OR_NEWER
 			return request.SendWebRequest()
 				.AsAsyncOperationObservable()
-				.Subscribe(operation => { onResponse.Invoke(); });;
+				.Subscribe(operation => { onResponse.Invoke(); });
+#else
+			return request.Send()
+				.AsAsyncOperationObservable()
+				.Subscribe(operation => { onResponse.Invoke(); });
+#endif
 		}
 	}
 }