fix

zhongzheng-framework/src/main/java/com/zhongzheng/framework/web/service/UserServiceImpl.java

@@ -1139,7 +1139,7 @@ public class UserServiceImpl extends ServiceImpl<UserMapper, User> implements IU
             String key = Constants.LOGIN_SMS + bo.getTel();
             String code =  redisCache.getCacheObject(key);
             if(code==null){
-                throw new CustomException("验证码错误");
+                throw new CustomException("验证码不能为空");
             }
             if(!code.equals(bo.getCode())){
                 iUserLoginErrorService.saveErrorLog(bo.getTel());