diff --git a/projects/IoTCenter/Api/ApiController.cs b/projects/IoTCenter/Api/ApiController.cs
index d36f4fbc..a2ec4b13 100644
--- a/projects/IoTCenter/Api/ApiController.cs
+++ b/projects/IoTCenter/Api/ApiController.cs
@@ -6,14 +6,12 @@ using IoTCenter.Services;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.SignalR;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using System;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
 
-namespace UserCenter.Controllers
+namespace IoTCenter.Api.Controllers
 {
     [ApiVersion("1.0")]
     [Route("api/v{version:apiVersion}/[controller]/[action]")]
diff --git a/projects/IoTCenter/Api/DeviceController.cs b/projects/IoTCenter/Api/DeviceController.cs
index c4d548d9..ccc27e07 100644
--- a/projects/IoTCenter/Api/DeviceController.cs
+++ b/projects/IoTCenter/Api/DeviceController.cs
@@ -14,7 +14,7 @@ using System.Linq;
 using Vibrant.InfluxDB.Client;
 using Vibrant.InfluxDB.Client.Rows;
 
-namespace UserCenter.Controllers
+namespace IoTCenter.Api.Controllers
 {
     [ApiVersion("1.0")]
     [Route("api/v{version:apiVersion}/[controller]/[action]")]
diff --git a/projects/IoTCenter/Api/NodeController.cs b/projects/IoTCenter/Api/NodeController.cs
index cfd5e088..c5c0b5c0 100644
--- a/projects/IoTCenter/Api/NodeController.cs
+++ b/projects/IoTCenter/Api/NodeController.cs
@@ -10,7 +10,7 @@ using System;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
 
-namespace UserCenter.Controllers
+namespace IoTCenter.Api.Controllers
 {
     [ApiVersion("1.0")]
     [Route("api/v{version:apiVersion}/[controller]/[action]")]
diff --git a/projects/IoTCenter/Api/ProductController.cs b/projects/IoTCenter/Api/ProductController.cs
index a5f25345..a49247bb 100644
--- a/projects/IoTCenter/Api/ProductController.cs
+++ b/projects/IoTCenter/Api/ProductController.cs
@@ -7,7 +7,7 @@ using System;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
 
-namespace UserCenter.Controllers
+namespace IoTCenter.Api.Controllers
 {
     [ApiVersion("1.0")]
     [Route("api/v{version:apiVersion}/[controller]/[action]")]
diff --git a/projects/IoTCenter/Api/SceneController.cs b/projects/IoTCenter/Api/SceneController.cs
index 8da23ec3..b7d1a72c 100644
--- a/projects/IoTCenter/Api/SceneController.cs
+++ b/projects/IoTCenter/Api/SceneController.cs
@@ -3,12 +3,11 @@ using Infrastructure.Data;
 using Infrastructure.Extensions;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.EntityFrameworkCore;
-using Microsoft.Extensions.Configuration;
 using System;
 using System.ComponentModel.DataAnnotations;
 using System.Linq;
 
-namespace UserCenter.Controllers
+namespace IoTCenter.Api.Controllers
 {
     [ApiVersion("1.0")]
     [Route("api/v{version:apiVersion}/[controller]/[action]")]
diff --git a/projects/IoTCenter/Api/SrsController.cs b/projects/IoTCenter/Api/SrsController.cs
index 3230242e..4423f5b0 100644
--- a/projects/IoTCenter/Api/SrsController.cs
+++ b/projects/IoTCenter/Api/SrsController.cs
@@ -9,7 +9,7 @@ using System.Diagnostics;
 using System.IO;
 using System.Linq;
 
-namespace UserCenter.Controllers
+namespace IoTCenter.Api.Controllers
 {
     [ApiVersion("1.0")]
     [Route("api/v{version:apiVersion}/[controller]/[action]")]