diff --git a/src/Oms.Application/Dtos/OpenApi/OpenApiQueryDtos.cs b/src/Oms.Application/Dtos/OpenApi/OpenApiQueryDtos.cs
index a1299f9..90b6e26 100644
--- a/src/Oms.Application/Dtos/OpenApi/OpenApiQueryDtos.cs
+++ b/src/Oms.Application/Dtos/OpenApi/OpenApiQueryDtos.cs
@@ -5,17 +5,22 @@ namespace Oms.Application.Dtos.OpenApi;
 /// </summary>
 public class OpenApiOrderLookupInput
 {
+    /// <summary>客户单号。与 serviceNo / trackNo 至少填一项；同时传时优先 clientNo。</summary>
     public string? ClientNo { get; set; }
 
+    /// <summary>服务单号（OMS 运单号）。</summary>
     public string? ServiceNo { get; set; }
 
+    /// <summary>跟踪号。</summary>
     public string? TrackNo { get; set; }
 }
 
+/// <summary>查询轨迹入参。</summary>
 public class OpenApiTrackQueryInput : OpenApiOrderLookupInput
 {
 }
 
+/// <summary>按附件类型获取文件入参。</summary>
 public class OpenApiFilesGetInput : OpenApiOrderLookupInput
 {
     /// <summary>
diff --git a/src/Oms.Application/Services/OpenApi/OpenApiService.cs b/src/Oms.Application/Services/OpenApi/OpenApiService.cs
index 6d661e3..bba414f 100644
--- a/src/Oms.Application/Services/OpenApi/OpenApiService.cs
+++ b/src/Oms.Application/Services/OpenApi/OpenApiService.cs
@@ -79,10 +79,13 @@ public class OpenApiService : ApplicationService
     /// </summary>
     [AllowAnonymous]
     [HttpPost("/openapi/parcel/create")]
+    [Consumes("application/json")]
+    [Produces("application/json")]
     public async Task<OpenApiEnvelope<OrderParcelCreateOutput>> CreateParcelAsync(
         [FromHeader(Name = CustomerOpenApiAuthHelper.AppKeyHeaderName)] string? appKey,
         [FromHeader(Name = CustomerOpenApiAuthHelper.TimestampHeaderName)] string? timestamp,
-        [FromHeader(Name = CustomerOpenApiAuthHelper.SignHeaderName)] string? sign)
+        [FromHeader(Name = CustomerOpenApiAuthHelper.SignHeaderName)] string? sign,
+        [FromBody] OpenApiParcelCreateInput? requestBody)
     {
         try
         {
@@ -120,10 +123,13 @@ public class OpenApiService : ApplicationService
     /// </summary>
     [AllowAnonymous]
     [HttpPost("/openapi/track/query")]
+    [Consumes("application/json")]
+    [Produces("application/json")]
     public async Task<OpenApiEnvelope<OpenApiTrackQueryOutput>> QueryTrackAsync(
         [FromHeader(Name = CustomerOpenApiAuthHelper.AppKeyHeaderName)] string? appKey,
         [FromHeader(Name = CustomerOpenApiAuthHelper.TimestampHeaderName)] string? timestamp,
-        [FromHeader(Name = CustomerOpenApiAuthHelper.SignHeaderName)] string? sign)
+        [FromHeader(Name = CustomerOpenApiAuthHelper.SignHeaderName)] string? sign,
+        [FromBody] OpenApiTrackQueryInput? requestBody)
     {
         try
         {
@@ -168,10 +174,13 @@ public class OpenApiService : ApplicationService
     /// </summary>
     [AllowAnonymous]
     [HttpPost("/openapi/files/get")]
+    [Consumes("application/json")]
+    [Produces("application/json")]
     public async Task<OpenApiEnvelope<OpenApiFilesGetOutput>> GetFilesAsync(
         [FromHeader(Name = CustomerOpenApiAuthHelper.AppKeyHeaderName)] string? appKey,
         [FromHeader(Name = CustomerOpenApiAuthHelper.TimestampHeaderName)] string? timestamp,
-        [FromHeader(Name = CustomerOpenApiAuthHelper.SignHeaderName)] string? sign)
+        [FromHeader(Name = CustomerOpenApiAuthHelper.SignHeaderName)] string? sign,
+        [FromBody] OpenApiFilesGetInput? requestBody)
     {
         try
         {