diff --git a/Apewer/Web/ApiProcessor.cs b/Apewer/Web/ApiProcessor.cs
index 7ae4493..5a34d5d 100644
--- a/Apewer/Web/ApiProcessor.cs
+++ b/Apewer/Web/ApiProcessor.cs
@@ -124,6 +124,13 @@ namespace Apewer.Web
         // 寻找入口。
         void Invoke()
         {
+            // OPTIONS
+            if (_context.Request.Method == HttpMethod.OPTIONS)
+            {
+                _context.Response.Model = new ApiTextModel("");
+                return;
+            }
+
             // 路由
             if (_context.Options.UseRoute)
             {
@@ -134,7 +141,6 @@ namespace Apewer.Web
                 {
                     _context.ApiAction = action;
                     Invoke(action);
-                    _context.Response.Duration = Duration(_context.Beginning);
                     return;
                 }
             }
@@ -145,7 +151,6 @@ namespace Apewer.Web
                 var appName = _context.Request.Application;
                 var application = _context.Entries.GetApplication(appName);
                 Invoke(application);
-                _context.Response.Duration = Duration(_context.Beginning);
                 return;
             }
 
@@ -580,7 +585,7 @@ namespace Apewer.Web
                 }
 
                 // Content-Type 检查。
-                if (options.WithContentTypeOptions || options.Default != null)
+                if (options.WithContentTypeOptions)
                 {
                     merged.Add("X-Content-Type-Options", "nosniff");
                 }
diff --git a/Apewer/Web/ApiUtility.cs b/Apewer/Web/ApiUtility.cs
index 4e8c8d9..79356d8 100644
--- a/Apewer/Web/ApiUtility.cs
+++ b/Apewer/Web/ApiUtility.cs
@@ -547,6 +547,15 @@ namespace Apewer.Web
             Error(context.Response, text);
         }
 
+        /// <summary>渲染为 JSON，并设置到 Response 的 Data 属性。</summary>
+        public static void SetCamelJsonToResponseData(ApiContext context, object result)
+        {
+            if (context == null) return;
+            if (context.Response == null) return;
+            if (result == null) return;
+            context.Response.Data = Json.From(result).Camel();
+        }
+
         #endregion
 
         #region ApiRequest