diff --git a/html/src/app.js b/html/src/app.js
index baf3612a..63e3b096 100644
--- a/html/src/app.js
+++ b/html/src/app.js
@@ -2654,17 +2654,6 @@ speechSynthesis.getVoices();
         }
     });
 
-    API.$on('FAVORITE:FRIEND:LIST', function (args) {
-        for (var json of args.json) {
-            this.$emit('USER', {
-                json,
-                params: {
-                    userId: json.id
-                }
-            });
-        }
-    });
-
     API.$on('FAVORITE:WORLD:LIST', function (args) {
         for (var json of args.json) {
             if (json.id === '???') {
@@ -2755,7 +2744,6 @@ speechSynthesis.getVoices();
 
     API.refreshFavoriteItems = function () {
         var types = {
-            // 'friend': [0, 'getFavoriteFriends'],
             'world': [0, 'getFavoriteWorlds'],
             'avatar': [0, 'getFavoriteAvatars']
         };
@@ -3150,26 +3138,6 @@ speechSynthesis.getVoices();
         });
     };
 
-    /*
-        params: {
-            n: number,
-            offset: number
-        }
-    */
-    API.getFavoriteFriends = function (params) {
-        return this.call('auth/user/friends/favorite', {
-            method: 'GET',
-            params
-        }).then((json) => {
-            var args = {
-                json,
-                params
-            };
-            this.$emit('FAVORITE:FRIEND:LIST', args);
-            return args;
-        });
-    };
-
     /*
         params: {
             n: number,
@@ -7497,6 +7465,7 @@ speechSynthesis.getVoices();
         $avatarInfo: {
             ownerId: '',
             avatarName: '',
+            fileCreatedAt: ''
         }
     };
 
@@ -8527,12 +8496,13 @@ speechSynthesis.getVoices();
             return;
         }
         D.ref = args.ref;
-        if (D.fileSize === 'Loading') {
+        if (D.fileSize === 'Unknown') {
             var id = extractFileId(args.ref.assetUrl);
             if (id) {
+                D.fileSize = 'Loading';
                 this.call(`file/${id}`).then((json) => {
                     var ref = json.versions[json.versions.length - 1];
-                    D.fileCreatedAt = ref.created_at;
+                    D.ref.created_at = ref.created_at;
                     D.fileSize = `${(ref.file.sizeInBytes / 1048576).toFixed(2)} MiB`;
                 });
             }
@@ -8564,8 +8534,7 @@ speechSynthesis.getVoices();
         var D = this.avatarDialog;
         D.id = avatarId;
         D.treeData = [];
-        D.fileCreatedAt = '';
-        D.fileSize = 'Loading';
+        D.fileSize = 'Unknown';
         D.visible = true;
         D.loading = true;
         API.getCachedAvatar({
@@ -8575,12 +8544,25 @@ speechSynthesis.getVoices();
             D.visible = false;
             throw err;
         }).then((args) => {
-            if (D.id === args.ref.id) {
+            if ((D.visible) && (D.id === args.ref.id)) {
                 D.loading = false;
                 D.ref = args.ref;
                 D.isFavorite = API.cachedFavoritesByObjectId.has(D.ref.id);
-                if (args.cache) {
+                if ((args.cache) && (D.ref.authorId === API.currentUser.id)) {
                     API.getAvatar(args.params);
+                } else {
+                    var fileId = extractFileId(D.ref.imageUrl);
+                    if ((fileId) && (!D.ref.created_at)) {
+                        if (API.cachedAvatarNames.has(fileId)) {
+                            var avatarInfo = API.cachedAvatarNames.get(fileId);
+                            D.ref.created_at = avatarInfo.fileCreatedAt;
+                        } else {
+                            API.getAvatarImages({fileId}).then((args) => {
+                                var avatarInfo = this.storeAvatarImage(args);
+                                D.ref.created_at = avatarInfo.fileCreatedAt;
+                            });
+                        }
+                    }
                 }
             }
             return args;
@@ -10696,6 +10678,9 @@ speechSynthesis.getVoices();
     });
 
     $app.methods.storeAvatarImage = function (args) {
+        var refCreatedAt = args.json.versions[0];
+        var fileCreatedAt = refCreatedAt.created_at;
+        var ref = args.json.versions[args.json.versions.length - 1];
         var fileId = args.params.fileId;
         var avatarName = '';
         var imageName = args.json.name;
@@ -10706,7 +10691,8 @@ speechSynthesis.getVoices();
         var ownerId = args.json.ownerId;
         var avatarInfo = {
             ownerId,
-            avatarName
+            avatarName,
+            fileCreatedAt
         };
         API.cachedAvatarNames.set(fileId, avatarInfo);
         return avatarInfo;
diff --git a/html/src/index.pug b/html/src/index.pug
index 24d8974d..50f429f8 100644
--- a/html/src/index.pug
+++ b/html/src/index.pug
@@ -1110,7 +1110,7 @@ html
                                         span(v-if="!scope.data.children" v-text="scope.data.value")
 
             //- dialog: world
-            el-dialog.x-dialog.x-world-dialog(ref="worldDialog" :visible.sync="worldDialog.visible" :show-close="false" width="600px")
+            el-dialog.x-dialog.x-world-dialog(ref="worldDialog" :visible.sync="worldDialog.visible" :show-close="false" width="770px")
                 div(v-loading="worldDialog.loading")
                     div(style="display:flex")
                         el-popover(placement="right" width="500px" trigger="click")
@@ -1274,15 +1274,17 @@ html
                                 .x-friend-item(style="cursor:default")
                                     .detail
                                         span.name Last Updated
-                                        span.extra {{ avatarDialog.fileCreatedAt | formatDate('YYYY-MM-DD HH24:MI:SS') || '-' }}
+                                        span.extra {{ avatarDialog.ref.updated_at | formatDate('YYYY-MM-DD HH24:MI:SS') || '-' }}
                                 .x-friend-item(style="cursor:default")
                                     .detail
                                         span.name Version
-                                        span.extra(v-text="avatarDialog.ref.version")
+                                        span.extra(v-if="avatarDialog.ref.version !== 0" v-text="avatarDialog.ref.version")
+                                        span.extra(v-else) -
                                 .x-friend-item(style="width:100%;cursor:default")
                                     .detail
                                         span.name Platform
-                                        span.extra(v-text="avatarDialogPlatform")
+                                        span.extra(v-if="avatarDialogPlatform" v-text="avatarDialogPlatform")
+                                        span.extra(v-else) -
                         el-tab-pane(label="JSON")
                             el-button(type="default" @click="refreshAvatarDialogTreeData()" size="mini" icon="el-icon-refresh" circle)
                             el-tree(:data="avatarDialog.treeData" style="margin-top:5px;font-size:12px")