diff --git a/FrontendWebApi/ApiControllers/BuildController.cs b/FrontendWebApi/ApiControllers/BuildController.cs
index b390619..af06e51 100644
--- a/FrontendWebApi/ApiControllers/BuildController.cs
+++ b/FrontendWebApi/ApiControllers/BuildController.cs
@@ -690,5 +690,37 @@ namespace FrontendWebApi.ApiControllers
             return Ok(apiResult);
 
         }
+
+        [HttpPost]
+        [Route("api/GetAllfloor")]
+        public async Task<ActionResult<ApiResult<List<string>>>> GetAllfloor(string building_tag)
+        {
+            ApiResult<List<string>> apiResult = new ApiResult<List<string>>(jwt_str);
+            if (!jwtlife)
+            {
+                apiResult.Code = "5000";
+                return BadRequest(apiResult);
+            }
+            try
+            {
+                string sWhere = $@"
+                      SELECT 
+	                    full_name
+                      FROM floor
+                      where building_guid = @building_tag and deleted = 0";
+                var floor = await backendRepository.GetAllAsync<string>(sWhere, new { building_tag = building_tag });
+
+                apiResult.Data = floor;
+                apiResult.Code = "0000";
+            }
+            catch (Exception exception)
+            {
+                apiResult.Code = "9999";
+                Logger.LogError("【" + controllerName + "/" + actionName + "】" + exception.Message);
+                return Ok(apiResult);
+            }
+            return Ok(apiResult);
+
+        }
     }
 }