授权到期提醒

Learun.Framework.Ultimate V7/Learun.Framework.Module/Learun.Application.Module/Learun.Application.OA/Email/EmailSend/EmailSendBLL.cs

@@ -129,7 +129,7 @@ namespace Learun.Application.OA.Email.EmailSend
             {
                 //授权到期发送邮件配置信息
                 var showAuthorize = showAuthorizeService.GetShowAuthorizeEntity();
-                if (showAuthorize != null && showAuthorize.IsRemind == 1)
+                if (showAuthorize != null && showAuthorize.IsRemind == 1 && !string.IsNullOrEmpty(showAuthorize.EmailAddr))
                 {
                     //授权到期时间
                     DateTime expirationDate = Convert.ToDateTime(ExpirationDate);