diff --git a/VideoAnalysis/Controllers/ApiController.cs b/VideoAnalysis/Controllers/ApiController.cs
index bfc9f8b..8aee9ad 100644
--- a/VideoAnalysis/Controllers/ApiController.cs
+++ b/VideoAnalysis/Controllers/ApiController.cs
@@ -79,16 +79,44 @@ namespace Learn.VideoAnalysis.Controllers
             return Ok(res);
         }
 
+        [NonAction]
+        private static List<TimeBase> MergeTimeBases(IEnumerable<TimeBase> timeBases)
+        {
+            if (timeBases == null || timeBases.Count() == 0)
+            {
+                return new List<TimeBase>();
+            }
+            var mergedList = new List<TimeBase>();
+            // 初始化合并段
+            var current = timeBases.First();
+            foreach (var next in timeBases)
+            {
+                // 如果类型相同，则扩展时间段
+                if (current.TimeBaseType == next.TimeBaseType)
+                {
+                    current.End = Math.Max(current.End, next.End);
+                }
+                else
+                {
+                    // 类型不同，将当前时间段加入结果列表，并开始新时间段
+                    current.Content = string.Empty;
+                    mergedList.Add(current);
+                    current = next;
+                }
+            }
+            // 添加最后的时间段
+            mergedList.Add(current);
+            return mergedList;
+        }
 
-
-            /// <summary>
-            /// 获取视频信息<para>taskId/tagId二选一</para>
-            /// </summary>
-            /// <param name="taskId"></param>
-            /// <param name="tagId">自定义id</param>
-            /// <param name="needSubtitle">是否附加字幕</param>
-            /// <returns></returns>
-            [HttpGet(Name = "TaskInfo")]
+        /// <summary>
+        /// 获取视频信息<para>taskId/tagId二选一</para>
+        /// </summary>
+        /// <param name="taskId"></param>
+        /// <param name="tagId">自定义id</param>
+        /// <param name="needSubtitle">是否附加字幕</param>
+        /// <returns></returns>
+        [HttpGet(Name = "TaskInfo")]
         public async Task<IActionResult> TaskInfo(long taskId,string? tagId,bool needSubtitle=false)
         {
             var  task = await videoTaskDB.AsQueryable()
@@ -104,15 +132,7 @@ namespace Learn.VideoAnalysis.Controllers
             if (task.LastEnum != RedisChannelEnum.EndTask)
                 return BadRequest(taskData);
             if (!needSubtitle && taskData != null && taskData.TimeBase != null)
-            {
-                taskData.TimeBase = taskData.TimeBase
-                    .Select(s => 
-                    {
-                        s.Content = null;
-                        return s;
-                    })
-                    .ToArray();
-            }
+                taskData.TimeBase = MergeTimeBases(taskData.TimeBase);
             return Ok(taskData);
         }
 
diff --git a/VideoAnalysis/Controllers/Dto/ApiDto.cs b/VideoAnalysis/Controllers/Dto/ApiDto.cs
index 35c9a35..b1634d8 100644
--- a/VideoAnalysis/Controllers/Dto/ApiDto.cs
+++ b/VideoAnalysis/Controllers/Dto/ApiDto.cs
@@ -74,6 +74,7 @@ namespace Learn.VideoAnalysis.Controllers.Dto
             Enum.GetValues(typeof(TimeBaseTypeEnum))
             .Cast<TimeBaseTypeEnum>()
             .ToDictionary(x => (int)x, x => x.ToString());
+
         /// <summary>
         /// 鏃堕棿杞村悎璁�
         /// </summary>