diff --git a/FrontendWebApi/ApiControllers/DeviceManageController.cs b/FrontendWebApi/ApiControllers/DeviceManageController.cs
index 1f0e2eb..60866ea 100644
--- a/FrontendWebApi/ApiControllers/DeviceManageController.cs
+++ b/FrontendWebApi/ApiControllers/DeviceManageController.cs
@@ -898,6 +898,52 @@ namespace FrontendWebApi.ApiControllers
                 var param = new { @main_system_tag = fdi.main_system_tag, @sub_system_tag = fdi.sub_system_tag, @points = fdi.points };
                 var fr = await backendRepository.GetAllAsync<DeviceItemViewModel>(sqlString, param);
 
+                apiResult.Code = "0000";
+                apiResult.Data = fr;
+            }
+            catch (Exception exception)
+            {
+                apiResult.Code = "9999";
+                apiResult.Msg = "系統內部錯誤，請聯絡管理者。";
+                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
+                return Ok(apiResult);
+            }
+            return Ok(apiResult);
+        }
+
+        /// <summary>
+        /// 取得 Forge 3D 模型不可見的類型
+        /// </summary>
+        /// <returns></returns>
+        [HttpPost]
+        [Route("api/Device/GetForgeInvType")]
+        public async Task<ActionResult<ApiResult<List<DeviceItemViewModel>>>> GetForgeInvType([FromBody] string search_tag)
+        {
+            ApiResult<List<ForgeInvisible>> apiResult = new ApiResult<List<ForgeInvisible>>();
+
+            try
+            {
+                var sqlString = $@"SELECT 
+                                    v1.system_key AS 'invisible_type',
+                                    v1.system_value AS 'invisible_value',
+                                    v2.system_value AS 'sub_system_tag' 
+                                FROM variable v1
+                                LEFT JOIN variable v2 ON v2.id = v1.system_parent_id AND v2.deleted = '0'
+                                WHERE
+                                    v1.deleted = '0' 
+                                    AND v1.system_type = 'forge_3d_invisible_type'
+                                    AND (
+                                    (@isDef = true AND v1.system_key = 'default_value')
+                                    OR (@isDef = false AND v2.system_value = @sub_system_tag)
+                                    OR (@isDef = false AND @sub_system_tag IS NULL AND v1.system_key = 'default_value')
+                                    OR (@isDef = false AND @sub_system_tag IS NULL AND v2.system_value = v2.system_value)
+                                    )";
+
+                var param = new { sub_system_tag = search_tag == "forge_default" ? null : search_tag, isDef = search_tag == "forge_default" };
+
+                var fr = await backendRepository.GetAllAsync<ForgeInvisible>(sqlString, param);
+         
+
                 apiResult.Code = "0000";
                 apiResult.Data = fr;
             }
diff --git a/FrontendWebApi/Models/Device.cs b/FrontendWebApi/Models/Device.cs
index 0508d4e..92ba15a 100644
--- a/FrontendWebApi/Models/Device.cs
+++ b/FrontendWebApi/Models/Device.cs
@@ -164,4 +164,14 @@ namespace FrontendWebApi.Models
         public string points { get; set; }
         
     }
+
+    public class ForgeInvisible
+    {
+        public string invisible_type { get; set; }
+        public string invisible_value { get; set; }
+        public string sub_system_tag { get; set; }
+
+    }
+
+
 }