diff --git a/src/http/http_client.c b/src/http/http_client.c
index 3867633..53fcbb5 100644
--- a/src/http/http_client.c
+++ b/src/http/http_client.c
@@ -21,6 +21,7 @@
 #include "lite-utils.h"
 #include "ca.h"
 #include "utils_sha2.h"
+#include "uiot_export.h"
 
 int IOT_HTTP_Get_Token(const char *product_sn, const char *device_sn, const char *device_sercret, char *token)
 {
@@ -87,9 +88,8 @@ int IOT_HTTP_Get_Token(const char *product_sn, const char *device_sn, const char
     HAL_Snprintf(http_client_post->header, 1024, "Content-Type: application/json\r\nAuthorization: %s\r\nbody: %s\r\n",mac_output_char,http_data_post->post_buf);
 
     const char *ca_crt = iot_https_ca_get();
-    char *url = (char *)"https://http-cn-sh2.iot.ucloud.cn/auth";
 
-    ret = http_client_common(http_client_post, url, 443, ca_crt, HTTP_POST, http_data_post,5000);
+    ret = http_client_common(http_client_post, UIOT_AUTH_URL, 443, ca_crt, HTTP_POST, http_data_post,5000);
     if(SUCCESS_RET != ret)
     {
         LOG_ERROR("HTTP_POST error\n");
diff --git a/src/sdk-impl/uiot_export.h b/src/sdk-impl/uiot_export.h
index 2434df2..11d2da5 100644
--- a/src/sdk-impl/uiot_export.h
+++ b/src/sdk-impl/uiot_export.h
@@ -57,14 +57,15 @@ extern "C" {
 /* MQTT连接域名 */
 //上海区域域名
 #define UIOT_MQTT_DIRECT_DOMAIN                                      "mqtt-cn-sh2.iot.ucloud.cn"
+#define UIOT_AUTH_URL                                                "https://http-cn-sh2.iot.ucloud.cn/auth"
 #define UIOT_UPLOAD_FILE_URL                                         "https://file-cn-sh2.iot.ucloud.cn/api/v1/url"
 
 /*
 //使用广州区域时替换为
 #define UIOT_MQTT_DIRECT_DOMAIN                                      "mqtt-cn-gd.iot.ucloud.cn"
+#define UIOT_AUTH_URL                                                "https://http-cn-gd.iot.ucloud.cn/auth"
 #define UIOT_UPLOAD_FILE_URL                                         "https://file-cn-gd.iot.ucloud.cn/api/v1/url"
 */
-
 #include "uiot_export_mqtt.h"
 #include "uiot_defs.h"