diff --git a/samples/NewWebApplicationSample/Controllers/AlipayController.cs b/samples/NewWebApplicationSample/Controllers/AlipayController.cs
index 070cfb5e8..203e956ba 100644
--- a/samples/NewWebApplicationSample/Controllers/AlipayController.cs
+++ b/samples/NewWebApplicationSample/Controllers/AlipayController.cs
@@ -128,7 +128,7 @@ public async Task<IActionResult> PagePay(AlipayTradePagePayViewModel viewModel)
             req.SetReturnUrl(viewModel.ReturnUrl);
 
             var response = await _client.PageExecuteAsync(req);
-            return Content(response.Body, "text/html");
+            return Content(response.Body, "text/html;charset=utf-8");
         }
 
         [HttpGet]
@@ -154,7 +154,7 @@ public async Task<IActionResult> WapPay(AlipayTradeWapPayViewModel viewMode)
             req.SetReturnUrl(viewMode.ReturnUrl);
 
             var response = await _client.PageExecuteAsync(req);
-            return Content(response.Body, "text/html");
+            return Content(response.Body, "text/html;charset=utf-8");
         }
 
         [HttpGet]
diff --git a/samples/NewWebApplicationSample/Controllers/JDPayController.cs b/samples/NewWebApplicationSample/Controllers/JDPayController.cs
index 05beae70a..b01e72b5a 100644
--- a/samples/NewWebApplicationSample/Controllers/JDPayController.cs
+++ b/samples/NewWebApplicationSample/Controllers/JDPayController.cs
@@ -46,7 +46,7 @@ public async Task<IActionResult> SaveOrderPC(JDPaySaveOrderViewModel viewModel)
             };
 
             var response = await _client.PageExecuteAsync(request);
-            return Content(response.Body, "text/html");
+            return Content(response.Body, "text/html;charset=utf-8");
         }
 
         [HttpGet]
@@ -72,7 +72,7 @@ public async Task<IActionResult> SaveOrderH5(JDPaySaveOrderViewModel viewModel)
             };
 
             var response = await _client.PageExecuteAsync(request);
-            return Content(response.Body, "text/html");
+            return Content(response.Body, "text/html;charset=utf-8");
         }
 
         [HttpGet]
diff --git a/samples/NewWebApplicationSample/Controllers/LianLianPayController.cs b/samples/NewWebApplicationSample/Controllers/LianLianPayController.cs
index 71b85bc84..06a1f367a 100644
--- a/samples/NewWebApplicationSample/Controllers/LianLianPayController.cs
+++ b/samples/NewWebApplicationSample/Controllers/LianLianPayController.cs
@@ -51,7 +51,7 @@ public async Task<IActionResult> WebQuickPay(LianLianPayWebQuickPayViewModel vie
                 CardNo = viewModel.CardNo,
             };
             var response = await _client.PageExecuteAsync(request);
-            return Content(response.Body, "text/html");
+            return Content(response.Body, "text/html;charset=utf-8");
         }
 
         [HttpGet]
@@ -81,7 +81,7 @@ public async Task<IActionResult> WapQuickPay(LianLianPayWapQuickPayViewModel vie
                 CardNo = viewModel.CardNo,
             };
             var response = await _client.PageReqDataExecuteAsync(request);
-            return Content(response.Body, "text/html");
+            return Content(response.Body, "text/html;charset=utf-8");
         }
 
         [HttpGet]
diff --git a/samples/NewWebApplicationSample/Controllers/UnionPayController.cs b/samples/NewWebApplicationSample/Controllers/UnionPayController.cs
index 12883c4e7..90880bf8e 100644
--- a/samples/NewWebApplicationSample/Controllers/UnionPayController.cs
+++ b/samples/NewWebApplicationSample/Controllers/UnionPayController.cs
@@ -47,7 +47,7 @@ public async Task<IActionResult> FrontConsume62(UnionPayForm_6_2_FrontConsumeVie
                 BackUrl = viewModel.BackUrl,
             };
             var response = await _client.PageExecuteAsync(request);
-            return Content(response.Body, "text/html");
+            return Content(response.Body, "text/html;charset=utf-8");
         }
 
         [HttpPost]