diff --git a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserInfoRequest.cs b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserInfoRequest.cs
index 8e38e8e2..75de6e50 100644
--- a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserInfoRequest.cs
+++ b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserInfoRequest.cs
@@ -33,6 +33,7 @@ public ResearchUserInfoRequest SetCompleteFields()
             FieldList.Add("following_count");
             FieldList.Add("likes_count");
             FieldList.Add("video_count");
+            FieldList.Add("bio_url");
             return this;
         }
     }
diff --git a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserInfoResponse.cs b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserInfoResponse.cs
index 911b1162..7cf55c5f 100644
--- a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserInfoResponse.cs
+++ b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserInfoResponse.cs
@@ -28,7 +28,14 @@ public class Data
                 /// </summary>
                 [Newtonsoft.Json.JsonProperty("bio_description")]
                 [System.Text.Json.Serialization.JsonPropertyName("bio_description")]
-                public string BioDescription { get; set; } = default!;
+                public string? BioDescription { get; set; }
+
+                /// <summary>
+                /// 获取或设置用户个人描述 URL。
+                /// </summary>
+                [Newtonsoft.Json.JsonProperty("bio_url")]
+                [System.Text.Json.Serialization.JsonPropertyName("bio_url")]
+                public string? BioUrl { get; set; }
 
                 /// <summary>
                 /// 获取或设置是否已认证。
diff --git a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserLikedVideosRequest.cs b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserLikedVideosRequest.cs
index 6d127596..53829f75 100644
--- a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserLikedVideosRequest.cs
+++ b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserLikedVideosRequest.cs
@@ -50,6 +50,11 @@ public ResearchUserLikedVideosRequest SetCompleteFields()
             FieldList.Add("share_count");
             FieldList.Add("view_count");
             FieldList.Add("hashtag_names");
+            FieldList.Add("is_stem_verified");
+            FieldList.Add("favourites_count");
+            FieldList.Add("video_duration");
+            FieldList.Add("hashtag_info_list");
+            FieldList.Add("video_mention_list");
             return this;
         }
     }
diff --git a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserLikedVideosResponse.cs b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserLikedVideosResponse.cs
index af1d81b1..93295704 100644
--- a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserLikedVideosResponse.cs
+++ b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserLikedVideosResponse.cs
@@ -11,86 +11,8 @@ public class Data
             {
                 public static class Types
                 {
-                    public class Video
+                    public class Video : ResearchVideoQueryResponse.Types.Data.Types.Video
                     {
-                        /// <summary>
-                        /// 获取或设置视频 ID。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("id")]
-                        [System.Text.Json.Serialization.JsonPropertyName("id")]
-                        [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                        public long VideoId { get; set; }
-
-                        /// <summary>
-                        /// 获取或设置作者用户名。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("username")]
-                        [System.Text.Json.Serialization.JsonPropertyName("username")]
-                        public string Username { get; set; } = default!;
-
-                        /// <summary>
-                        /// 获取或设置地区代码。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("region_code")]
-                        [System.Text.Json.Serialization.JsonPropertyName("region_code")]
-                        public string RegionCode { get; set; } = default!;
-
-                        /// <summary>
-                        /// 获取或设置视频描述。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("video_description")]
-                        [System.Text.Json.Serialization.JsonPropertyName("video_description")]
-                        public string Description { get; set; } = default!;
-
-                        /// <summary>
-                        /// 获取或设置点赞次数。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("like_count")]
-                        [System.Text.Json.Serialization.JsonPropertyName("like_count")]
-                        public long LikeCount { get; set; }
-
-                        /// <summary>
-                        /// 获取或设置评论次数。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("comment_count")]
-                        [System.Text.Json.Serialization.JsonPropertyName("comment_count")]
-                        public long CommentCount { get; set; }
-
-                        /// <summary>
-                        /// 获取或设置分享次数。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("share_count")]
-                        [System.Text.Json.Serialization.JsonPropertyName("share_count")]
-                        public long ShareCount { get; set; }
-
-                        /// <summary>
-                        /// 获取或设置观看次数。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("view_count")]
-                        [System.Text.Json.Serialization.JsonPropertyName("view_count")]
-                        public long ViewCount { get; set; }
-
-                        /// <summary>
-                        /// 获取或设置创建时间戳。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("create_time")]
-                        [System.Text.Json.Serialization.JsonPropertyName("create_time")]
-                        public long CreateTimestamp { get; set; }
-
-                        /// <summary>
-                        /// 获取或设置音乐 ID。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("music_id")]
-                        [System.Text.Json.Serialization.JsonPropertyName("music_id")]
-                        [System.Text.Json.Serialization.JsonNumberHandling(System.Text.Json.Serialization.JsonNumberHandling.AllowReadingFromString)]
-                        public long? MusicId { get; set; }
-
-                        /// <summary>
-                        /// 获取或设置话题标签列表。
-                        /// </summary>
-                        [Newtonsoft.Json.JsonProperty("hashtag_names")]
-                        [System.Text.Json.Serialization.JsonPropertyName("hashtag_names")]
-                        public string[]? HashtagNameList { get; set; }
                     }
                 }
 
diff --git a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserPinnedVideosRequest.cs b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserPinnedVideosRequest.cs
index 8a896299..846ae48f 100644
--- a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserPinnedVideosRequest.cs
+++ b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserPinnedVideosRequest.cs
@@ -50,6 +50,11 @@ public ResearchUserPinnedVideosRequest SetCompleteFields()
             FieldList.Add("share_count");
             FieldList.Add("view_count");
             FieldList.Add("hashtag_names");
+            FieldList.Add("is_stem_verified");
+            FieldList.Add("favourites_count");
+            FieldList.Add("video_duration");
+            FieldList.Add("hashtag_info_list");
+            FieldList.Add("video_mention_list");
             return this;
         }
     }
diff --git a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserRepostedVideosRequest.cs b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserRepostedVideosRequest.cs
index 2a0a9f92..d889321d 100644
--- a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserRepostedVideosRequest.cs
+++ b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/User/ResearchUserRepostedVideosRequest.cs
@@ -50,6 +50,11 @@ public ResearchUserRepostedVideosRequest SetCompleteFields()
             FieldList.Add("share_count");
             FieldList.Add("view_count");
             FieldList.Add("hashtag_names");
+            FieldList.Add("is_stem_verified");
+            FieldList.Add("favourites_count");
+            FieldList.Add("video_duration");
+            FieldList.Add("hashtag_info_list");
+            FieldList.Add("video_mention_list");
             return this;
         }
     }
diff --git a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/Video/ResearchVideoQueryRequest.cs b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/Video/ResearchVideoQueryRequest.cs
index ef5f2e98..22941d57 100644
--- a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/Video/ResearchVideoQueryRequest.cs
+++ b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/Video/ResearchVideoQueryRequest.cs
@@ -135,6 +135,11 @@ public ResearchVideoQueryRequest SetCompleteFields()
             FieldList.Add("effect_ids");
             FieldList.Add("playlist_id");
             FieldList.Add("voice_to_text");
+            FieldList.Add("is_stem_verified");
+            FieldList.Add("favourites_count");
+            FieldList.Add("video_duration");
+            FieldList.Add("hashtag_info_list");
+            FieldList.Add("video_mention_list");
             return this;
         }
     }
diff --git a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/Video/ResearchVideoQueryResponse.cs b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/Video/ResearchVideoQueryResponse.cs
index e52777c7..7b1383ee 100644
--- a/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/Video/ResearchVideoQueryResponse.cs
+++ b/src/SKIT.FlurlHttpClient.ByteDance.TikTokGlobal/Models/Research/Video/ResearchVideoQueryResponse.cs
@@ -13,6 +13,26 @@ public static class Types
                 {
                     public class Video
                     {
+                        public static class Types
+                        {
+                            public class HashTagInfo
+                            {
+                                /// <summary>
+                                /// 获取或设置话题标签 ID。
+                                /// </summary>
+                                [Newtonsoft.Json.JsonProperty("hashtag_id")]
+                                [System.Text.Json.Serialization.JsonPropertyName("hashtag_id")]
+                                public string HashTagId { get; set; } = default!;
+
+                                /// <summary>
+                                /// 获取或设置话题标签描述。
+                                /// </summary>
+                                [Newtonsoft.Json.JsonProperty("hashtag_description")]
+                                [System.Text.Json.Serialization.JsonPropertyName("hashtag_description")]
+                                public string HashTagDescription { get; set; } = default!;
+                            }
+                        }
+
                         /// <summary>
                         /// 获取或设置视频 ID。
                         /// </summary>
@@ -70,6 +90,13 @@ public class Video
                         [System.Text.Json.Serialization.JsonPropertyName("view_count")]
                         public long ViewCount { get; set; }
 
+                        /// <summary>
+                        /// 获取或设置收藏次数。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("favourites_count")]
+                        [System.Text.Json.Serialization.JsonPropertyName("favourites_count")]
+                        public long FavouritesCount { get; set; }
+
                         /// <summary>
                         /// 获取或设置创建时间戳。
                         /// </summary>
@@ -77,6 +104,13 @@ public class Video
                         [System.Text.Json.Serialization.JsonPropertyName("create_time")]
                         public long CreateTimestamp { get; set; }
 
+                        /// <summary>
+                        /// 获取或设置视频时长（单位：秒）。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("video_duration")]
+                        [System.Text.Json.Serialization.JsonPropertyName("video_duration")]
+                        public int VideoDuration { get; set; }
+
                         /// <summary>
                         /// 获取或设置音乐 ID。
                         /// </summary>
@@ -99,6 +133,20 @@ public class Video
                         [System.Text.Json.Serialization.JsonPropertyName("hashtag_names")]
                         public string[]? HashtagNameList { get; set; }
 
+                        /// <summary>
+                        /// 获取或设置话题标签信息列表。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("hashtag_info_list")]
+                        [System.Text.Json.Serialization.JsonPropertyName("hashtag_info_list")]
+                        public Types.HashTagInfo[]? HashTagInfoList { get; set; }
+
+                        /// <summary>
+                        /// 获取或设置提及列表。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("video_mention_list")]
+                        [System.Text.Json.Serialization.JsonPropertyName("video_mention_list")]
+                        public string[]? VideoMentionList { get; set; }
+
                         /// <summary>
                         /// 获取或设置播放列表 ID。
                         /// </summary>
@@ -113,6 +161,13 @@ public class Video
                         [Newtonsoft.Json.JsonProperty("voice_to_text")]
                         [System.Text.Json.Serialization.JsonPropertyName("voice_to_text")]
                         public string? VoiceToText { get; set; }
+
+                        /// <summary>
+                        /// 获取或设置是否已通过 STEM 认证。
+                        /// </summary>
+                        [Newtonsoft.Json.JsonProperty("is_stem_verified")]
+                        [System.Text.Json.Serialization.JsonPropertyName("is_stem_verified")]
+                        public bool? IsSTEMVerified { get; set; }
                     }
                 }