diff --git a/iot-modules/iot-box-user-api/src/main/java/com/qiuguo/iot/user/api/service/TuyaDeviceConnector.java b/iot-modules/iot-box-user-api/src/main/java/com/qiuguo/iot/user/api/service/TuyaDeviceConnector.java
index 977d857..7f90242 100644
--- a/iot-modules/iot-box-user-api/src/main/java/com/qiuguo/iot/user/api/service/TuyaDeviceConnector.java
+++ b/iot-modules/iot-box-user-api/src/main/java/com/qiuguo/iot/user/api/service/TuyaDeviceConnector.java
@@ -20,6 +20,9 @@ import java.util.List;
  */
 public interface TuyaDeviceConnector {
     
+    @GET("/v1.0/iot-03/device-categories")
+    JSONArray categories();
+    
     // 转移设备
     @POST("/v2.0/cloud/thing/{device_id}/transfer")
     Boolean transferDevice(@Path("device_id") String deviceId,@Body JSONObject jsonObject);
diff --git a/iot-modules/iot-box-user-api/src/test/java/UserTest.java b/iot-modules/iot-box-user-api/src/test/java/UserTest.java
index dd8e191..59628cf 100644
--- a/iot-modules/iot-box-user-api/src/test/java/UserTest.java
+++ b/iot-modules/iot-box-user-api/src/test/java/UserTest.java
@@ -25,6 +25,12 @@ public class UserTest {
     @Autowired
     private TuyaDeviceConnector tuyaDeviceConnector;
     
+    @Test
+    public void 查询所有分类() {
+        JSONArray aa = tuyaDeviceConnector.categories();
+        aa.forEach(System.out::println);
+    }
+    
     @Test
     public void 转移设备() {
         JSONObject jsonObject = new JSONObject();