diff --git a/server-core/src/main/java/io/onedev/server/model/User.java b/server-core/src/main/java/io/onedev/server/model/User.java
index 6d997a7108..844a97c7e2 100644
--- a/server-core/src/main/java/io/onedev/server/model/User.java
+++ b/server-core/src/main/java/io/onedev/server/model/User.java
@@ -209,6 +209,18 @@ public class User extends AbstractEntity implements AuthenticationInfo {
 	@Cache(usage=CacheConcurrencyStrategy.READ_WRITE)
 	private Collection<PullRequestMention> pullRequestMentions = new ArrayList<>();
 	
+	@OneToMany(mappedBy=IssueDescriptionRevision.PROP_USER, cascade=CascadeType.REMOVE)
+	private Collection<IssueDescriptionRevision> issueDescriptionRevisions = new ArrayList<>();
+
+	@OneToMany(mappedBy=PullRequestDescriptionRevision.PROP_USER, cascade=CascadeType.REMOVE)
+	private Collection<PullRequestDescriptionRevision> pullRequestDescriptionRevisions = new ArrayList<>();
+
+	@OneToMany(mappedBy=IssueCommentRevision.PROP_USER, cascade=CascadeType.REMOVE)
+	private Collection<IssueCommentRevision> issueCommentRevisions = new ArrayList<>();
+
+	@OneToMany(mappedBy=PullRequestCommentRevision.PROP_USER, cascade=CascadeType.REMOVE)
+	private Collection<PullRequestCommentRevision> pullRequestCommentRevisions = new ArrayList<>();
+
     @JsonIgnore
 	@Lob
 	@Column(nullable=false, length=65535)
diff --git a/server-core/src/main/java/io/onedev/server/model/support/CommentRevision.java b/server-core/src/main/java/io/onedev/server/model/support/CommentRevision.java
index b0a4a54da1..7fd6c7a134 100644
--- a/server-core/src/main/java/io/onedev/server/model/support/CommentRevision.java
+++ b/server-core/src/main/java/io/onedev/server/model/support/CommentRevision.java
@@ -18,6 +18,8 @@ public abstract class CommentRevision extends AbstractEntity {
 
 	private static final long serialVersionUID = 1L;
 
+    public static final String PROP_USER = "user";
+
 	public static final int MAX_CONTENT_LEN = 100000;
 
 	@ManyToOne(fetch=FetchType.LAZY)
diff --git a/server-core/src/main/java/io/onedev/server/web/page/user/profile/UserProfilePage.java b/server-core/src/main/java/io/onedev/server/web/page/user/profile/UserProfilePage.java
index 885585c727..baf49ea104 100644
--- a/server-core/src/main/java/io/onedev/server/web/page/user/profile/UserProfilePage.java
+++ b/server-core/src/main/java/io/onedev/server/web/page/user/profile/UserProfilePage.java
@@ -11,7 +11,10 @@ import org.apache.wicket.model.AbstractReadOnlyModel;
 import org.apache.wicket.request.cycle.RequestCycle;
 import org.apache.wicket.request.mapper.parameter.PageParameters;
 
+import io.onedev.server.OneDev;
+import io.onedev.server.entitymanager.SettingManager;
 import io.onedev.server.model.User;
+import io.onedev.server.security.SecurityUtils;
 import io.onedev.server.util.DateRange;
 import io.onedev.server.web.component.user.profile.UserProfilePanel;
 import io.onedev.server.web.page.user.UserPage;
@@ -32,7 +35,8 @@ public class UserProfilePage extends UserPage {
 
     @Override
     protected boolean isPermitted() {
-        return true;
+        return SecurityUtils.getAuthUser() != null 
+                || OneDev.getInstance(SettingManager.class).getSecuritySetting().isEnableAnonymousAccess();
     }
 
     @Override