diff --git a/src/org/redkale/net/http/HttpResponse.java b/src/org/redkale/net/http/HttpResponse.java
index 9d5b3acc6..a16bf01bb 100644
--- a/src/org/redkale/net/http/HttpResponse.java
+++ b/src/org/redkale/net/http/HttpResponse.java
@@ -894,16 +894,18 @@ public class HttpResponse extends Response<HttpContext, HttpRequest> {
             buffer.put(("HTTP/1.1 " + this.status + " " + httpCodes.get(this.status) + "\r\n").getBytes());
         }
         if (this.contentLength >= 0) buffer.put(("Content-Length: " + this.contentLength + "\r\n").getBytes());
-        if (this.contentType == this.jsonContentType) {
-            buffer.put(this.jsonContentTypeBytes);
-        } else if (this.contentType == null || this.contentType == this.plainContentType) {
-            buffer.put(this.plainContentTypeBytes);
-        } else {
-            buffer.put(("Content-Type: " + (this.contentType == null ? this.plainContentType : this.contentType) + "\r\n").getBytes());
-        }
         buffer.put(serverNameBytes);
         if (dateSupplier != null) buffer.put(dateSupplier.get());
-        buffer.put(this.request.isKeepAlive() ? connectAliveBytes : connectCloseBytes);
+        if (!request.isWebSocket()) {
+            if (this.contentType == this.jsonContentType) {
+                buffer.put(this.jsonContentTypeBytes);
+            } else if (this.contentType == null || this.contentType == this.plainContentType) {
+                buffer.put(this.plainContentTypeBytes);
+            } else {
+                buffer.put(("Content-Type: " + (this.contentType == null ? this.plainContentType : this.contentType) + "\r\n").getBytes());
+            }
+            buffer.put(this.request.isKeepAlive() ? connectAliveBytes : connectCloseBytes);
+        }
 
         if (this.defaultAddHeaders != null) {
             for (String[] headers : this.defaultAddHeaders) {