升级：万能短信验证码的改造

src/main/java/com/gxwebsoft/common/system/controller/MainController.java

@@ -375,7 +375,7 @@ public class MainController extends BaseController {
     String accessKeyId = "LTAI5tEsyhW4GCKbds1qsopg";
     String accessKeySecret = "zltFlQrYVAoq2KMFDWgLa3GhkMNeyO";
     String userTemplateId = "SMS_257840118";
-    String sign = "南宁市网宿信息科技";
+    String sign = "网宿软件";
 
     if (!CommonUtil.isValidPhoneNumber(param.getPhone())) {
       return fail("请输入有效的手机号码");