修改用户设备信息

rankin-api-web/src/main/java/cn/rankin/apiweb/controller/LoginController.java

@@ -70,6 +70,11 @@ public class LoginController
         return userService.logout(userId);
     }
 
+    /**
+     * Fill device info
+     * @param userAgentStr the string of user agent
+     * @param loginInfoDTO the login info
+     */
     private void fillDeviceInfo(String userAgentStr, LoginInfoDTO loginInfoDTO)
     {
         if (userAgentStr == "" || userAgentStr == null)