From 1dd6dec8d2ddeedacbb174c108ba3a90563723ee Mon Sep 17 00:00:00 2001
From: yueyang <lingyue2@huawei.com>
Date: Mon, 18 Nov 2024 20:38:28 +0800
Subject: [PATCH] =?UTF-8?q?cherry=20pick=209739497=20from=20https://gitee.?=
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Signed-off-by: yueyang <lingyue2@huawei.com>
---
 libcef/browser/browser_host_base.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libcef/browser/browser_host_base.cc b/libcef/browser/browser_host_base.cc
index b9d110e60..ed095a442 100644
--- a/libcef/browser/browser_host_base.cc
+++ b/libcef/browser/browser_host_base.cc
@@ -450,7 +450,9 @@ void CefBrowserHostBase::StartDownload(const CefString& url) {
                              network::mojom::ReferrerPolicy::kDefault));
   params->set_referrer(referrer.url);
 #if defined(OHOS_USERAGENT)
-  params->add_request_header(net::HttpRequestHeaders::kUserAgent, custom_user_agent_);
+  if (!custom_user_agent_.empty()){
+    params->add_request_header(net::HttpRequestHeaders::kUserAgent, custom_user_agent_);
+  }
 #endif
   manager->DownloadUrl(std::move(params));
 }
-- 
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