优化

@@ -493,7 +493,10 @@ class SyncMail {
                 }
 
                 // 更新描述
-                $this->db->update(listsSql::$table,['description'=>mb_substr($item->getBody()->getText(),0,150)],dbWhere(['id'=> $id]));
+                $this->db->update(listsSql::$table,[
+                    'description'=>
+                        Fun::mb_convert_encoding(mb_substr($item->getBody()->getText(),0,150),'utf-8')
+                ],dbWhere(['id'=> $id]));
 
             }