TryGetValue

Author: xljiulang

WebApiClient/Internal/RequestHeader.cs

@@ -42,7 +42,8 @@ from header in Enum.GetValues(typeof(HttpRequestHeader)).Cast<HttpRequestHeader>
         /// <returns></returns>
         public static string GetName(HttpRequestHeader header)
         {
-            return cache[header];
+            cache.TryGetValue(header, out string name);
+            return name;
         }
     }
 }