diff --git a/YD_YiLu.Commons/Dto/DeviceSync/AppVersionAddRequestDto.cs b/YD_YiLu.Commons/Dto/DeviceSync/AppVersionAddRequestDto.cs
new file mode 100644
index 0000000..7166103
--- /dev/null
+++ b/YD_YiLu.Commons/Dto/DeviceSync/AppVersionAddRequestDto.cs
@@ -0,0 +1,59 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace YD_YiLu.Commons.Dto.DeviceSync
+{
+    /// <summary>
+    /// 添加应用版本
+    /// </summary>
+    public class AppVersionAddRequestDto
+    {
+        /// <summary>
+        /// 应用名称
+        /// </summary>
+        public string ApplyName { get; set; }
+
+        /// <summary>
+        /// 设备类型
+        /// </summary>
+        public int DeviceType { get; set; }
+
+        /// <summary>
+        /// 硬件类型
+        /// </summary>
+        public string HardwareType { get; set; }
+
+        /// <summary>
+        /// 操作系统
+        /// </summary>
+        public string OperatingSystem { get; set; }
+
+        /// <summary>
+        /// 版本号
+        /// </summary>
+        public string VersionNumber { get; set; }
+
+        /// <summary>
+        /// 版本数字（用于排序）
+        /// </summary>
+        public int VersionCode { get; set; }
+
+        /// <summary>
+        /// 下载地址
+        /// </summary>
+        public string UpdateUrl { get; set; }
+
+        /// <summary>
+        /// 是否强制更新
+        /// </summary>
+        public int NeedForcedUpdating { get; set; }
+
+        /// <summary>
+        /// 是否设为最新版本
+        /// </summary>
+        public int IsLatest { get; set; }
+    }
+}
diff --git a/YD_YiLu/Controllers/SettingController.cs b/YD_YiLu/Controllers/SettingController.cs
index 57a90b2..d0b7260 100644
--- a/YD_YiLu/Controllers/SettingController.cs
+++ b/YD_YiLu/Controllers/SettingController.cs
@@ -27,5 +27,16 @@ namespace YD_YiLu.Api.Controllers
         {
             return await _deviceSyncService.AppVerifyAsync(dto);
         }
+
+        /// <summary>
+        /// 新增app版本
+        /// </summary>
+        /// <param name="dto"></param>
+        /// <returns></returns>
+        [HttpPost("app/version/add")]
+        public async Task<long> AddAppVersion([FromBody] AppVersionAddRequestDto dto)
+        {
+            return await _deviceSyncService.AppVersionAddAsync(dto);
+        }
     }
 }
diff --git a/YD_YiLu/Services/Impl/DeviceSyncService.cs b/YD_YiLu/Services/Impl/DeviceSyncService.cs
index 73132bf..b91a0bf 100644
--- a/YD_YiLu/Services/Impl/DeviceSyncService.cs
+++ b/YD_YiLu/Services/Impl/DeviceSyncService.cs
@@ -678,6 +678,52 @@ namespace YD_YiLu.Api.Services.Impl
         }
 
 
+        /// <summary>
+        /// 新增app版本
+        /// </summary>
+        /// <param name="dto"></param>
+        /// <returns></returns>
+        public async Task<long> AppVersionAddAsync(AppVersionAddRequestDto dto)
+        {
+            // 1️⃣ 如果设为最新版本，取消旧版本
+            if (dto.IsLatest == 1)
+            {
+                var oldList = await _context.Set<YL_AppVersion>()
+                    .Where(x => x.ApplyName == dto.ApplyName
+                        && x.DeviceType == dto.DeviceType
+                        && x.HardwareType == dto.HardwareType
+                        && x.OperatingSystem == dto.OperatingSystem
+                        && x.Status == 1)
+                    .ToListAsync();
+
+                foreach (var item in oldList)
+                {
+                    item.IsLatest = 0;
+                }
+            }
+
+            // 2️⃣ 新版本
+            var entity = new YL_AppVersion
+            {
+                ApplyName = dto.ApplyName,
+                DeviceType = dto.DeviceType,
+                HardwareType = dto.HardwareType,
+                OperatingSystem = dto.OperatingSystem,
+                VersionNumber = dto.VersionNumber,
+                VersionCode = dto.VersionCode,
+                UpdateUrl = dto.UpdateUrl,
+                NeedForcedUpdating = dto.NeedForcedUpdating,
+                IsLatest = dto.IsLatest,
+                Status = 1,
+                CreateTime = DateTime.Now
+            };
+
+            _context.Set<YL_AppVersion>().Add(entity);
+            await _context.SaveChangesAsync();
+
+            return entity.Id;
+        }
+
 
         public async Task<AppVerifyResponseDto> AppVerifyAsync(AppVerifyRequestDto dto)
         {
@@ -783,6 +829,7 @@ namespace YD_YiLu.Api.Services.Impl
             return true;
         }
 
+
         public async Task<DeviceSyncUserDto> GetUserDetailAsync(string deviceSerial, int userId)
         {
             var orgId = await GetOrgIdByDeviceAsync(deviceSerial);
diff --git a/YD_YiLu/Services/Interface/IDeviceSyncService.cs b/YD_YiLu/Services/Interface/IDeviceSyncService.cs
index 82d2ca7..52daf19 100644
--- a/YD_YiLu/Services/Interface/IDeviceSyncService.cs
+++ b/YD_YiLu/Services/Interface/IDeviceSyncService.cs
@@ -77,5 +77,12 @@ namespace YD_YiLu.Api.Services.Interface
         /// 视频回放上传
         /// </summary>
         Task<bool> DeviceVideoUploadAsync(DeviceVideoUploadRequestDto dto);
+
+        /// <summary>
+        /// 新增app版本
+        /// </summary>
+        /// <param name="dto"></param>
+        /// <returns></returns>
+        Task<long> AppVersionAddAsync(AppVersionAddRequestDto dto);
     }
 }