diff --git a/docs/doc_eng.md b/docs/doc_eng.md
index 0913e72..ea4dfd1 100755
--- a/docs/doc_eng.md
+++ b/docs/doc_eng.md
@@ -236,4 +236,19 @@ Derived UploadEvent
 | Name             | Type                                          | Definition                              |
 | ---------------- | --------------------------------------------- | --------------------------------------- |
 | TusRequestOption | [TusRequestOptionBase](#TusRequestOptionBase) |                                         |
-| HttpRequestMsg   | HttpRequestMessage                            | A HttpRequestMsg will be send to server |
\ No newline at end of file
+| HttpRequestMsg   | HttpRequestMessage                            | A HttpRequestMsg will be send to server |
+
+
+
+#### TusException
+
+##### Definition
+
+Derived Exception
+
+##### Properties
+
+| Name               | Type                | Definition           |
+| ------------------ | ------------------- | -------------------- |
+| OriginHttpRequest  | HttpRequestMessage  | origin http request  |
+| OriginHttpResponse | HttpResponseMessage | origin http response |
\ No newline at end of file