diff --git a/Api/Ewide.Web.Core/Startup.cs b/Api/Ewide.Web.Core/Startup.cs
index 2edfd35..a43b19d 100644
--- a/Api/Ewide.Web.Core/Startup.cs
+++ b/Api/Ewide.Web.Core/Startup.cs
@@ -26,7 +26,9 @@ namespace Ewide.Web.Core
                     .AddMvcFilter<RequestActionFilter>()
                     .AddInjectWithUnifyResult<XnRestfulResultProvider>()
                     // 在管道中增加NewtonsoftJson,防止参数类型严格验证
-                    .AddNewtonsoftJson()
+                    .AddNewtonsoftJson(options => {
+                        options.SerializerSettings.DateFormatString = "yyyy-MM-dd HH:mm:ss";
+                    })
                     .AddJsonOptions(options =>
                     {
                         //options.JsonSerializerOptions.DefaultBufferSize = 10_0000;//返回较大数据数据序列化时会截断，原因：默认缓冲区大小（以字节为单位）为16384。