1、将以下四个文件(见附件ActivitiDesigner5.18.1插件补丁)拷贝到自己的eclipse的plugin文件夹下面，重启eclipseorg.eclipse.emf.validation.ui_1.7.0.201403111711.jar、org.eclipse.emf.workspace_1.5.1.201306111400.jar、org.eclipse.emf.validation_1.8.0.201403111711.jarorg.eclipse.emf.transaction_1.4.0.201306111400.jar；2、将activiti-designer-5.18.0文件夹copy到eclipse\dropins