SDCMS online customer service plug-in is a plug-in system with many functions. Including multiple plug-ins such as collection, label generation, online customer service and data backup. sdcms2.0 and above version online customer service plug-in, free sharing: There are also the following plug-in demo collection plug-ins, Tag generation plug-in, Online customer service plug-in, Data backup plug-in Test account: test Test password: test