diff --git a/BUILD.gn b/BUILD.gn
index f235b29..dd777ac 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -24,6 +24,6 @@ if (ohos_kernel_type == "liteos_m") {
     deps = [
       "$ohos_board_adapter_dir/hals/iot_hardware/wifiiot_lite:hal_iothardware",
     ]
-    head_files = [ "//base/iot_hardware/peripheral/interfaces/kits" ]
+    head_files = [ "//base/iothardware/peripheral/interfaces/inner_api" ]
   }
 }
diff --git a/README.md b/README.md
index 3ed439f..c5e5e67 100644
--- a/README.md
+++ b/README.md
@@ -11,9 +11,9 @@ The Internet of Things \(IoT\) hardware subsystem provides APIs for operating Io
 ## Directory Structure<a name="section1464106163817"></a>
 
 ```
-/base/iot_hardware/peripheral
+/base/iothardware/peripheral
 ├── interfaces
-    └── kits                      # APIs for operating IoT devices
+    └── inner_api                      # APIs for operating IoT devices
 ```
 
 ## Constraints<a name="section1718733212019"></a>
diff --git a/README_zh.md b/README_zh.md
index 859b21b..88c7435 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -11,9 +11,9 @@ IOT（The Internet of Things）硬件设备操作的接口。本模块提供设
 ## 目录<a name="section1464106163817"></a>
 
 ```
-/base/iot_hardware/peripheral
+/base/iothardware/peripheral
 ├── interfaces
-    └── kits                      #IOT设备操作接口,对外接口存放目录  
+    └── inner_api                      #IOT设备操作接口,对外接口存放目录  
 ```
 
 ## 约束<a name="section1718733212019"></a>
diff --git a/bundle.json b/bundle.json
index f627219..57d70f3 100755
--- a/bundle.json
+++ b/bundle.json
@@ -1,5 +1,5 @@
 {
-    "name": "@ohos/iot_controller",
+    "name": "@ohos/iothardware_peripheral",
     "description": "Iot peripheral controller.",
     "version": "3.1",
     "license": "Apache License 2.0",
@@ -10,8 +10,8 @@
     "dirs": {},
     "scripts": {},
     "component": {
-        "name": "iot_controller",
-        "subsystem": "iot_hardware",
+        "name": "peripheral",
+        "subsystem": "iothardware",
         "syscap": [],
         "features": [],
         "adapted_system_type": [
@@ -25,7 +25,7 @@
         },
         "build": {
             "sub_component": [
-                "//base/iot_hardware/peripheral:iothardware"
+                "//base/iothardware/peripheral:iothardware"
             ],
             "inner_kits": [],
             "test": []
diff --git a/interfaces/kits/iot_errno.h b/interfaces/inner_api/iot_errno.h
similarity index 100%
rename from interfaces/kits/iot_errno.h
rename to interfaces/inner_api/iot_errno.h
diff --git a/interfaces/kits/iot_flash.h b/interfaces/inner_api/iot_flash.h
similarity index 100%
rename from interfaces/kits/iot_flash.h
rename to interfaces/inner_api/iot_flash.h
diff --git a/interfaces/kits/iot_gpio.h b/interfaces/inner_api/iot_gpio.h
similarity index 100%
rename from interfaces/kits/iot_gpio.h
rename to interfaces/inner_api/iot_gpio.h
diff --git a/interfaces/kits/iot_i2c.h b/interfaces/inner_api/iot_i2c.h
similarity index 100%
rename from interfaces/kits/iot_i2c.h
rename to interfaces/inner_api/iot_i2c.h
diff --git a/interfaces/kits/iot_pwm.h b/interfaces/inner_api/iot_pwm.h
similarity index 100%
rename from interfaces/kits/iot_pwm.h
rename to interfaces/inner_api/iot_pwm.h
diff --git a/interfaces/kits/iot_uart.h b/interfaces/inner_api/iot_uart.h
similarity index 100%
rename from interfaces/kits/iot_uart.h
rename to interfaces/inner_api/iot_uart.h
diff --git a/interfaces/kits/iot_watchdog.h b/interfaces/inner_api/iot_watchdog.h
similarity index 100%
rename from interfaces/kits/iot_watchdog.h
rename to interfaces/inner_api/iot_watchdog.h
diff --git a/interfaces/kits/lowpower.h b/interfaces/inner_api/lowpower.h
similarity index 100%
rename from interfaces/kits/lowpower.h
rename to interfaces/inner_api/lowpower.h
diff --git a/interfaces/kits/reset.h b/interfaces/inner_api/reset.h
similarity index 100%
rename from interfaces/kits/reset.h
rename to interfaces/inner_api/reset.h