diff --git a/en/application-dev/connectivity/http-request.md b/en/application-dev/connectivity/http-request.md
index 541f42617439544e81a53d8b3bb8949eb5ec9241..010e37d468a672b2e48a55b60ca8ee8eb905ce1d 100644
--- a/en/application-dev/connectivity/http-request.md
+++ b/en/application-dev/connectivity/http-request.md
@@ -81,8 +81,3 @@ httpRequest.request(
     }
 );
 ```
-
-## Samples
-The following sample is provided to help you better understand how to develop the HTTP data request feature:
-- [`HTTP`: Data Request (ArkTS) (API9)](https://gitee.com/openharmony/applications_app_samples/tree/master/code/BasicFeature/Connectivity/Http)
-- [HTTP Communication (ArkTS) (API9)](https://gitee.com/openharmony/codelabs/tree/master/NetworkManagement/SmartChatEtsOH)
diff --git a/en/application-dev/connectivity/ipc-rpc-development-guideline.md b/en/application-dev/connectivity/ipc-rpc-development-guideline.md
index 5512d7a016754c94174fe269d5ed58424a218fb6..89bff0d4a168c74309f6bc711a3725fd4c9aad1b 100644
--- a/en/application-dev/connectivity/ipc-rpc-development-guideline.md
+++ b/en/application-dev/connectivity/ipc-rpc-development-guideline.md
@@ -1,4 +1,4 @@
-# IPC & RPC Development Guidelines
+# IPC & RPC Development
 
 ## When to Use
 
diff --git a/en/application-dev/connectivity/socket-connection.md b/en/application-dev/connectivity/socket-connection.md
index b0c6fcd63d49a6cf9b77662d8340cadc8f82735d..5cae73b2a5c84f280aea80e299605ee80ac2553a 100644
--- a/en/application-dev/connectivity/socket-connection.md
+++ b/en/application-dev/connectivity/socket-connection.md
@@ -319,10 +319,3 @@ TLS Socket connection process on the client:
        tlsTwoWay.off('close');
    });
 ```
-
-## Samples
-
-The following samples are provided to help you better understand how to develop Socket connection features:
-- [`Socket`: Socket Connection (ArkTS) (API9)](https://gitee.com/openharmony/applications_app_samples/tree/master/Network/Socket)
-- [UDP Socket (ArkTS) (API9)](https://gitee.com/openharmony/codelabs/tree/master/NetworkManagement/UdpDemoOH)
-- [TCP Socket (ArkTS) (API9)](https://gitee.com/openharmony/codelabs/tree/master/NetworkManagement/TcpSocketDemo)
diff --git a/en/application-dev/device/usb-overview.md b/en/application-dev/device/usb-overview.md
index 51636403c0d18197e2a59cc047eb38e2aaf95c7b..27afaee5b6c3eeda0aa34321c1df633b9507672a 100644
--- a/en/application-dev/device/usb-overview.md
+++ b/en/application-dev/device/usb-overview.md
@@ -14,6 +14,7 @@ The USB subsystem consists of three parts: USB API, USB Service, and USB HAL. Th
 ![](figures/en-us_image_0000001237821727.png)
 
 -   USB API: provides USB APIs that implement various basic functions, for example, query of the USB device list, bulk data transfer, control transfer, and right management.
+
 -   USB Service: receives, parses, and distributes Hardware Abstraction Layer \(HAL\) data, manages and controls foreground and background policies, and manages devices.
 
 -   USB HAL: provides driver capability APIs that can be directly called in user mode.
diff --git a/en/application-dev/internationalization/intl-guidelines.md b/en/application-dev/internationalization/intl-guidelines.md
index 55133a9529b47340379bcc0933c9351eea5844ea..5731421555d083f90464a0257a21c119ebd8ee3a 100644
--- a/en/application-dev/internationalization/intl-guidelines.md
+++ b/en/application-dev/internationalization/intl-guidelines.md
@@ -384,12 +384,4 @@ According to grammars in certain languages, the singular or plural form of a nou
    ```js
    let relativeTimeFormat = new Intl.RelativeTimeFormat("zh-CN", {numeric: "always", style: "long"});
    let options = relativeTimeFormat.resolvedOptions(); // options = {"locale": "zh-CN", "style": "long", "numeric": "always", "numberingSystem": "latn"}
-   ```
-
-## Samples
-
-The following sample is provided to help you better understand how to develop internationalization capabilities:
-
--[`International`: Internationalization (JS) (API8)](https://gitee.com/openharmony/applications_app_samples/tree/master/UI/International)
-
--[`International`: Internationalization (ArkTS) (API8) (Full SDK)](https://gitee.com/openharmony/applications_app_samples/tree/master/common/International)
+   ```
\ No newline at end of file