diff --git a/cocos/scripting/js-bindings/manual/jsb_xmlhttprequest.cpp b/cocos/scripting/js-bindings/manual/jsb_xmlhttprequest.cpp
index e1793ac..b26abad 100644
--- a/cocos/scripting/js-bindings/manual/jsb_xmlhttprequest.cpp
+++ b/cocos/scripting/js-bindings/manual/jsb_xmlhttprequest.cpp
@@ -38,6 +38,7 @@
 #include <functional>
 #include <algorithm>
 #include <sstream>
+#include <locale>
 #include "cocos/scripting/js-bindings/jswrapper/SeApi.h"
 #include "cocos/scripting/js-bindings/manual/jsb_conversions.hpp"
 #include "cocos/network/HttpClient.h"
@@ -350,11 +351,17 @@ void XMLHttpRequest::setReadyState(ReadyState readyState)
     }
 }
 
+std::string to_lower(std::string s) {
+    for(char &c : s)
+        c = tolower(c);
+    return s;
+}
+
 void XMLHttpRequest::getHeader(const std::string& header)
 {
     // check for colon.
-    size_t found_header_field = header.find_first_of(":");
-
+//    size_t found_header_field = header.find_first_of(":");
+    unsigned long found_header_field = header.find(":");
     if (found_header_field != std::string::npos)
     {
         // Found a header field.
@@ -375,9 +382,10 @@ void XMLHttpRequest::getHeader(const std::string& header)
         }
 
         // Transform field name to lower case as they are case-insensitive
-        std::transform(http_field.begin(), http_field.end(), http_field.begin(), ::tolower);
+        std::string lower_http_field = to_lower(http_field);
+//        std::transform(http_field.begin(), http_field.end(), http_field.begin(), ::tolower);
 
-        _httpHeader[http_field] = http_value;
+        _httpHeader[lower_http_field] = http_value;
 
     }
     else
@@ -1042,7 +1050,7 @@ static bool XMLHttpRequest_setTimeout(se::State& s)
         unsigned long timeoutInMilliseconds = 0;
         bool ok = seval_to_ulong(args[0], &timeoutInMilliseconds);
         SE_PRECONDITION2(ok, false, "args[0] isn't a number");
-        if (timeoutInMilliseconds < 50)
+        if (timeoutInMilliseconds < 50 && timeoutInMilliseconds != 0)
         {
             SE_LOGE("The timeout value (%lu ms) is too small, please note that timeout unit is milliseconds!", timeoutInMilliseconds);
         }
@@ -1111,6 +1119,14 @@ static bool XMLHttpRequest_setResponseType(se::State& s)
         {
             xhr->setResponseType(XMLHttpRequest::ResponseType::BLOB);
         }
+        else if (type == "ms-stream")
+        {
+            xhr->setResponseType(XMLHttpRequest::ResponseType::BLOB);
+        }
+        else if (type == "moz-chunked-arraybuffer")
+        {
+            xhr->setResponseType(XMLHttpRequest::ResponseType::BLOB);
+        }
         else
         {
             SE_PRECONDITION2(false, false, "The response type isn't supported!");