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@@ -51,7 +51,7 @@ class SyncMail {
                 $w = ['email' => strtolower($data['from'])];
                 $w = ['email' => strtolower($data['from'])];
             }
             }
             // 是否在 预热邮箱中
             // 是否在 预热邮箱中
-            if($this->db->count('select count(*) from `hot_mail` where '.dbWhere($w))){
+            if($w['email'] && $this->db->count('select count(*) from `hot_mail` where '.dbWhere($w))){
                 return $this->hot($id);
                 return $this->hot($id);
             }
             }