edit

tool/work/lib/Cron.php

@@ -12,8 +12,10 @@ Class Cron
         	$group_id = explode(',',$v['group']);
         	$admin = Dever::db('manage/admin')->find($group_id[1]);
             $content = $this->email_api($v,$admin);
-            // print_R($content);
-            $this->send($admin['email'], $admin['username'], $title, $content); 
+            if ($content) {
+                $this->send($admin['email'], $admin['username'], $title, $content);
+            }
+             
         }
     }
 	#发送邮件