diff --git a/arex-schedule-web-api/src/main/java/com/arextest/schedule/sender/httprequest/AbstractHttpRequestBuilder.java b/arex-schedule-web-api/src/main/java/com/arextest/schedule/sender/httprequest/AbstractHttpRequestBuilder.java
index 5620c3fb..9262947b 100644
--- a/arex-schedule-web-api/src/main/java/com/arextest/schedule/sender/httprequest/AbstractHttpRequestBuilder.java
+++ b/arex-schedule-web-api/src/main/java/com/arextest/schedule/sender/httprequest/AbstractHttpRequestBuilder.java
@@ -35,6 +35,7 @@ protected HttpHeaders createRequestHeaders(Map<String, String> sourceHeaders, St
       contentType = contentType(format);
     }
     httpHeaders.setContentType(contentType);
+    httpHeaders.remove(HttpHeaders.CONTENT_LENGTH);
     return httpHeaders;
   }
 
diff --git a/arex-schedule-web-api/src/main/java/com/arextest/schedule/sender/httprequest/FormDataHttpRequestBuilder.java b/arex-schedule-web-api/src/main/java/com/arextest/schedule/sender/httprequest/FormDataHttpRequestBuilder.java
index 608b1109..1d23ff56 100644
--- a/arex-schedule-web-api/src/main/java/com/arextest/schedule/sender/httprequest/FormDataHttpRequestBuilder.java
+++ b/arex-schedule-web-api/src/main/java/com/arextest/schedule/sender/httprequest/FormDataHttpRequestBuilder.java
@@ -66,7 +66,6 @@ public HttpSenderContent buildRequestContent(SenderParameters senderParameters)
     // build headers
     HttpHeaders httpHeaders = createRequestHeaders(senderParameters.getHeaders(),
         senderParameters.getFormat());
-    httpHeaders.remove("content-length");
 
     // build http entity
     HttpEntity<?> httpEntity = null;