diff --git a/UnityProject/Assets/TEngine/Runtime/Core/Utility/Utility.Http.cs b/UnityProject/Assets/TEngine/Runtime/Core/Utility/Utility.Http.cs
index 2f6c0410..49c8a6b3 100644
--- a/UnityProject/Assets/TEngine/Runtime/Core/Utility/Utility.Http.cs
+++ b/UnityProject/Assets/TEngine/Runtime/Core/Utility/Utility.Http.cs
@@ -25,7 +25,7 @@ namespace TEngine
                 var cts = new CancellationTokenSource();
                 cts.CancelAfterSlim(TimeSpan.FromSeconds(timeout));
 
-                UnityWebRequest unityWebRequest = UnityWebRequest.Get(url);
+                using UnityWebRequest unityWebRequest = UnityWebRequest.Get(url);
                 return await SendWebRequest(unityWebRequest, cts);
             }
 
@@ -41,7 +41,7 @@ namespace TEngine
                 var cts = new CancellationTokenSource();
                 cts.CancelAfterSlim(TimeSpan.FromSeconds(timeout));
 
-                UnityWebRequest unityWebRequest = UnityWebRequest.Post(url, postData);
+                using UnityWebRequest unityWebRequest = UnityWebRequest.Post(url, postData);
                 return await SendWebRequest(unityWebRequest, cts);
             }
 
@@ -57,7 +57,7 @@ namespace TEngine
                 var cts = new CancellationTokenSource();
                 cts.CancelAfterSlim(TimeSpan.FromSeconds(timeout));
 
-                UnityWebRequest unityWebRequest = UnityWebRequest.Post(url, formFields);
+                using UnityWebRequest unityWebRequest = UnityWebRequest.Post(url, formFields);
                 return await SendWebRequest(unityWebRequest, cts);
             }
 
@@ -73,7 +73,7 @@ namespace TEngine
                 var cts = new CancellationTokenSource();
                 cts.CancelAfterSlim(TimeSpan.FromSeconds(timeout));
 
-                UnityWebRequest unityWebRequest = UnityWebRequest.Post(url, formData);
+                using UnityWebRequest unityWebRequest = UnityWebRequest.Post(url, formData);
                 return await SendWebRequest(unityWebRequest, cts);
             }