bugfix:修复切换用户后keywords列表不更新的bug

src/main/java/com/web/web_assignment/ProjectBean.java

@@ -165,6 +165,7 @@ public class ProjectBean implements Serializable {
                 FacesContext.getCurrentInstance().getExternalContext().getSessionMap().put("username", username);
                 loadUserInfo();
                 loadProjects();
+                loadAllKeywords();
                 isLoggedIn = true;
                 return "index";
             } else {