diff --git a/html/src/app.js b/html/src/app.js
index 8fb8db59..0604f325 100644
--- a/html/src/app.js
+++ b/html/src/app.js
@@ -6689,6 +6689,59 @@ CefSharp.BindObjectAsync(
         }
     };
 
+    $app.methods.showAvatarAuthorDialog = function (refUserId, currentAvatarImageUrl) {
+        var id = extractFileId(currentAvatarImageUrl);
+        if (id) {
+            API.call(`file/${id}`).then(({ ownerId }) => {
+                for (var ref of API.cachedAvatars.values()) {
+                    if (ref.imageUrl === currentAvatarImageUrl) {
+                        this.showAvatarDialog(ref.id);
+                        return;
+                    }
+                }
+                var params = {
+                    n: 100,
+                    offset: 0,
+                    sort: 'updated',
+                    order: 'descending',
+                    // user: 'friends',
+                    userId: ownerId,
+                    releaseStatus: 'public'
+                };
+                if (params.userId === API.currentUser.id) {
+                    params.user = 'me';
+                    params.releaseStatus = 'all';
+                }
+                API.bulk({
+                    fn: 'getAvatars',
+                    N: -1,
+                    params,
+                    done: () => {
+                        for (var ref2 of API.cachedAvatars.values()) {
+                            if (ref2.imageUrl === currentAvatarImageUrl) {
+                                this.showAvatarDialog(ref2.id);
+                                return;
+                            }
+                        }
+                        if (ownerId === refUserId) {
+                            this.$message({
+                                message: 'It\'s personal (own) avatar',
+                                type: 'warning'
+                            });
+                            return;
+                        }
+                        this.showUserDialog(ownerId);
+                    }
+                });
+            });
+        } else {
+            this.$message({
+                message: 'Sorry, the author is unknown',
+                type: 'error'
+            });
+        }
+    };
+
     $app.methods.refreshAvatarDialogTreeData = function () {
         var D = this.avatarDialog;
         D.treeData = buildTreeData(D.ref);
diff --git a/html/src/index.pug b/html/src/index.pug
index 8220aa19..a83223e8 100644
--- a/html/src/index.pug
+++ b/html/src/index.pug
@@ -80,12 +80,12 @@ html
                                         //- high resolution (v2) 2020.07.12~
                                         el-popover(placement="right" width="500px" trigger="click")
                                             img.x-link(slot="reference" v-lazy="scope.row.avatar[1].currentAvatarThumbnailImageUrl" style="flex:none;width:160px;height:120px;border-radius:4px")
-                                            img(v-lazy="scope.row.avatar[1].currentAvatarImageUrl" style="width:500px;height:375px")
+                                            img.x-link(v-lazy="scope.row.avatar[1].currentAvatarImageUrl" style="width:500px;height:375px" @click="showAvatarAuthorDialog(scope.row.userId, scope.row.avatar[1].currentAvatarImageUrl)")
                                         span(style="position:relative;top:-50px;margin:0 5px")
                                             i.el-icon-right
                                         el-popover(placement="right" width="500px" trigger="click")
                                             img.x-link(slot="reference" v-lazy="scope.row.avatar[0].currentAvatarThumbnailImageUrl" style="flex:none;width:160px;height:120px;border-radius:4px")
-                                            img(v-lazy="scope.row.avatar[0].currentAvatarImageUrl" style="width:500px;height:375px")
+                                            img.x-link(v-lazy="scope.row.avatar[0].currentAvatarImageUrl" style="width:500px;height:375px" @click="showAvatarAuthorDialog(scope.row.userId, scope.row.avatar[0].currentAvatarImageUrl)")
                                     template(v-else)
                                         //- legacy
                                         el-popover(placement="right" width="500px" trigger="click")