diff --git a/hikyuu/utilities/http_client/HttpClient.cpp b/hikyuu/utilities/http_client/HttpClient.cpp
index ce2865a..cc25828 100644
--- a/hikyuu/utilities/http_client/HttpClient.cpp
+++ b/hikyuu/utilities/http_client/HttpClient.cpp
@@ -98,7 +98,7 @@ void HttpClient::_connect() {
 
     if (!m_conn.valid()) {
         NNG_CHECK(m_aio.wait().result());
-        m_conn = std::move(nng::http_conn((nng_http_conn*)m_aio.get_output(0)));
+        m_conn = nng::http_conn((nng_http_conn*)m_aio.get_output(0));
     }
 }
 
diff --git a/hikyuu/utilities/http_client/HttpClient.h b/hikyuu/utilities/http_client/HttpClient.h
index 237343b..e20ee54 100644
--- a/hikyuu/utilities/http_client/HttpClient.h
+++ b/hikyuu/utilities/http_client/HttpClient.h
@@ -132,7 +132,7 @@ class HKU_UTILS_API HttpClient {
     }
 
     void setUrl(const std::string& url) noexcept {
-        m_url = std::move(nng::url(url));
+        m_url = nng::url(url);
         reset();
     }