Merge branch 'dev-phase1-0111' of 192.168.110.53:com.pica.cloud.education.frontend/pica-admin-IM into dev-phase1-0111

* 'dev-phase1-0111' of 192.168.110.53:com.pica.cloud.education.frontend/pica-admin-IM:
  添加我要群发页面
  删除多余的文件