diff --git a/en/application-dev/onlyfortest/reference/apis-ads-kit/errorcode-ads.md b/en/application-dev/onlyfortest/reference/apis-ads-kit/errorcode-ads.md
new file mode 100644
index 0000000000000000000000000000000000000000..322505f04d9d74a29a7462f33fd70bd81d982116
--- /dev/null
+++ b/en/application-dev/onlyfortest/reference/apis-ads-kit/errorcode-ads.md
@@ -0,0 +1,102 @@
+# Ads Service Framework Error Codes
+
+
+> **NOTE**
+>
+> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md).
+
+
+## 21800001 Internal System Error
+
+**Error Message**
+
+System internal error.
+
+**Description**
+
+This error code is reported if an internal system error occurs.
+
+**Possible Causes**
+
+Failed to connect to the OAID service.
+
+**Procedure**
+
+Check whether the service is running properly.
+
+
+## 21800003 Ad Loading Failure
+
+**Error Message**
+
+Failed to load the ad request.
+
+**Description**
+
+This error code is reported if loading the ad fails.
+
+**Possible Causes**
+
+The network connection is abnormal, or an ad request parameter is incorrect.
+
+**Procedure**
+
+Check the network status, and correct the ad request parameters.
+
+
+## 21800004 Ad Display Failure
+
+**Error Message**
+
+Failed to display the ad.
+
+**Description**
+
+This error code is reported if displaying the ad fails.
+
+**Possible Causes**
+
+The network connection is abnormal.
+
+**Procedure**
+
+Check the network status.
+
+
+## 401 Incorrect Ads Request Parameter
+
+**Error Message**
+
+Invalid input parameter. Possible causes:1. Mandatory parameters are left unspecified.
+2.Incorrect parameter types. 3.Parameter verification failed
+
+**Description**
+
+This error code is reported if an ads request parameter is incorrect.
+
+**Possible Causes**
+
+Ads request parameters fail the verification.
+
+**Procedure**
+
+Check whether the ads request parameters are correct.
+
+
+## 801 Ad Request Failure
+
+**Error Message**
+
+Device not support
+
+**Description**
+
+This error code is reported when the device supports the target SysCap but does not support a specific API.
+
+**Possible Causes**
+
+The device does not support the API.
+
+**Procedure**
+
+Check whether the device supports the API.
diff --git a/en/application-dev/onlyfortest/reference/apis-mdm-kit/errorcode-enterpriseDeviceManager.md b/en/application-dev/onlyfortest/reference/apis-mdm-kit/errorcode-enterpriseDeviceManager.md
new file mode 100644
index 0000000000000000000000000000000000000000..f44577cce5f77b25c3cc7a5f0c2c00522743b5e1
--- /dev/null
+++ b/en/application-dev/onlyfortest/reference/apis-mdm-kit/errorcode-enterpriseDeviceManager.md
@@ -0,0 +1,288 @@
+# Enterprise Device Management Error Codes
+
+> **NOTE**
+>
+> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md).
+
+## 9200001 DeviceAdmin Not Enabled
+
+**Error Message**
+
+The application is not an administrator application of the device.
+
+**Description**
+
+This error code is reported when the caller is not an enabled device administrator application.
+
+**Possible Causes**
+
+The enterprise device management APIs can be called only by a device administrator application that has been enabled.
+
+**Solution**
+
+Check whether the caller is a device administrator application that is enabled.
+
+## 9200002 Permission Denied
+
+**Error Message**
+
+The administrator application does not have permission to manage the device.
+
+**Description**
+
+This error code is reported when the device administrator application does not have the permission to call the API.
+
+**Possible Causes**
+
+A device administrator application calls an API that is accessible only by a super administrator application.
+
+**Solution**
+
+Check that the device administrator type enabled for the caller is the same as that required by the API.
+
+## 9200003 Invalid Administrator Ability Component
+
+**Error Message**
+
+The administrator ability component is invalid.
+
+**Description**
+
+This error code is reported when the specified device manager ability component is invalid.
+
+**Possible Causes**
+
+The specified administrator ability component is invalid due to any of the following causes:
+1. The administrator ability component does not exist when the device administrator application is enabled.
+2. The administrator ability component is not a valid enterprise administrator ability component.
+
+**Solution**
+
+1. Check that the name of the administrator ability component is included in the application bundle when the application is enabled as a device administrator application.
+2. Check that the administrator ability component inherits from the **EnterpriseAdminExtensionAbility** component defined by the enterprise device management framework.
+
+## 9200004 Failed to Enable the Device Administrator Application
+
+**Error Message**
+
+Failed to activate the administrator application of the device.
+
+**Description**
+
+This error code is reported when an application fails to be enabled as a device administrator application.
+
+**Possible Causes**
+
+1. Multiple applications are enabled as the super device administrator application.
+2. The application has been enabled as a device administrator application, but the administrator type has changed.
+3. Multiple device administrator ability components are enabled for the same application.
+
+**Solution**
+
+1. Check that only one super device administrator application exists.
+2. Check whether the current application has been enabled as a device administrator with a different device administrator type. If yes, deactivate the device administrator application and try again.
+3. Check whether a device administrator ability component has been enabled for the application. Only one device administrator ability component can be enabled for an application.
+
+## 9200005 Failed to Disable the Device Administrator Application
+
+**Error Message**
+
+Failed to deactivate the administrator application of the device.
+
+**Description**
+
+This error code is reported when the operation for disabling a device administrator application fails.
+
+**Possible Causes**
+
+1. The device administrator application to be disabled has not been enabled.
+2. The caller cannot disable other device administrator applications.
+
+**Solution**
+
+1. Check that the target device administrator application has been enabled.
+2. Check that the specified device administrator ability component of the target device administrator application has been enabled.
+3. Check that the device administrator application to be disabled is the caller itself.
+
+## 9200006 Invalid User ID
+
+**Error Message**
+
+The specified user ID is invalid.
+
+**Description**
+
+This error code is reported when the specified user ID does not exist or the specified user ID is different from the caller's user ID.
+
+**Possible Causes**
+
+1. The user ID specified for setting a user policy does not exist.
+2. When the application is not a super device administrator application, the specified user ID is different from the caller's user ID.
+
+**Solution**
+
+1. Check that the specified user ID is valid.
+2. Check that caller's user ID is the same as the specified user ID. If the application is not a super device administrator application, policies cannot be set across users.
+
+## 9200007 System Ability Error
+
+**Error Message**
+
+The system ability works abnormally.
+
+**Description**
+
+This error code is reported when the enterprise device management ability is not working properly.
+
+**Possible Causes**
+
+1. The EnterpriseAdminAbility is not started.
+2. The RPC object for enterprise device management cannot be obtained.
+3. Other abilities, on which the EnterpriseAdminAbility depends, are not started, or the RPC object cannot be obtained.
+4. A system exception occurs during the running of EnterpriseAdminAbility.
+
+**Solution**
+
+Try again later or restart the device.
+
+## 9200008 Invalid System Subscription Event
+
+**Error Message**
+
+The specified system event is invalid.
+
+**Description**
+
+This error code is reported when the enterprise device management module does not support subscription to the specified event or the specified event is invalid.
+
+**Possible Causes**
+
+The enterprise device management module does not support subscription to the specified event or the specified event is invalid.
+
+**Solution**
+
+Check that the specified event is valid and supported by the enterprise device management module.
+
+## 9200009 Failed to Grant Permissions to an Application
+
+**Error Message**
+
+Failed to grant the permission to the application.
+
+**Description**
+
+This error code is reported when the super device administrator application fails to grant administrator rights to other applications.
+
+**Possible Causes**
+
+The target application is not installed by the administrator.
+
+**Solution**
+
+Check that the target application has been installed by the administrator.
+
+## 9200010 Policy Conflict
+
+**Error Message**
+
+A conflict policy has been configured.
+
+**Description**
+
+This error code is reported when a conflict policy is being delivered.
+
+**Possible Causes**
+
+A conflict policy is defined and to be delivered.
+
+**Solution**
+
+Resolve the conflict, and then deliver the policy.
+
+## 9201001 Failed to Manage the Certificate
+
+**Error Message**
+
+Failed to manage the certificate.
+
+**Description**
+
+This error code is reported when the super device administrator application fails to install or uninstall a user certificate.
+
+**Possible Causes**
+
+The user certificate is incorrect.
+
+**Solution**
+
+Check that the user certificate is correct.
+
+## 9201002 Failed to Install the Application
+
+**Error Message**
+
+Failed to install the application.
+
+**Description**
+
+This error code is reported when a device administrator application fails to install an enterprise application.
+
+**Possible Causes**
+
+1. The application installation path is empty or invalid, or does not exist.
+2. The operation attempts to install multiple applications with different bundle names.
+3. The application to be installed already exists when the installation parameter flag is 0.
+4. The user ID is invalid.
+
+**Solution**
+
+1. Check that the application installation path is valid.
+2. Check that all the installation parameters are valid.
+3. Check that the same application is installed.
+
+## 9201003 Failed to Add an Account
+
+**Error Message**
+
+Failed to add an OS account.
+
+**Description**
+
+This error code is reported when an account fails to be added.
+
+**Possible Causes**
+
+1. The account already exists.
+2. The account name is invalid.
+3. The network is not connected when the account is added.
+4. The system does not support multiple accounts.
+
+**Solution**
+
+1. Check whether the account name exists. If yes, change the account name and try again.
+2. Check that the account name is valid.
+3. Check that the network is connected when the account is added.
+
+## 9201004 Update Package Not Exist or Fails to be Parsed
+
+**Error Message**
+
+The update packages do not exist or analyzing failed.
+
+**Description**
+
+This error code is reported when the enterprise device administrator application fails to notify the system of the package update.
+
+**Possible Causes**
+
+1. The system update package does not exist.
+2. The verification of the system update package name fails.
+3. The system update package fails to be opened.
+4. The system update package fails to be parsed.
+
+**Solution**
+
+1. Check whether the system update package exists.
+2. Check whether the name of the system update package is valid.
+3. Check whether the system update package is readable.
+4. Check whether the system update package is complete.
diff --git a/en/application-dev/onlyfortest/reference/apis-media-kit/errorcode-media.md b/en/application-dev/onlyfortest/reference/apis-media-kit/errorcode-media.md
new file mode 100644
index 0000000000000000000000000000000000000000..adc7819dfca5e960cc4f11cc41add8ccd066f9f8
--- /dev/null
+++ b/en/application-dev/onlyfortest/reference/apis-media-kit/errorcode-media.md
@@ -0,0 +1,134 @@
+# Media Error Codes
+
+> **NOTE**
+>
+> This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md).
+
+## 5400101 Memory Allocation Failed
+
+**Error Message**
+
+No memory.
+
+**Description**
+
+Failed to allocate memory.
+
+**Possible Causes**
+
+1. The number of instances exceeds 16.
+2. The new or malloc process fails, causing a null pointer.
+
+**Solution**
+
+Destroy this instance and re-create it. If the re-creation fails, stop related operations.
+
+## 5400102 Unsupported Operation
+
+**Error Message**
+
+Operation not allowed.
+
+**Description**
+
+This operation is not allowed.
+
+**Possible Causes**
+
+This operation is not allowed in the current state.
+
+**Solution**
+
+Switch the instance to the correct state and perform the operation.
+
+## 5400103 I/O Error
+
+**Error Message**
+
+I/O error.
+
+**Description**
+
+An I/O error occurs.
+
+**Possible Causes**
+
+The data interaction between the media and other modules (graphics, audio, network, HDI, and camera) is abnormal.
+
+**Solution**
+
+Ensure that the network is normal, destroy this instance, and re-create it. If the re-creation fails, stop related operations.
+
+## 5400104 Operation Timeout
+
+**Error Message**
+
+Operation timeout.
+
+**Description**
+
+The operation timed out.
+
+**Possible Causes**
+
+1. The network connection times out. (The default network timeout period is 15 seconds, and the timer starts after the buffered event is reported.)
+2. Accessing other modules times out.
+
+**Solution**
+
+1. Check whether the network is normal.
+2. Destroy this instance and re-create it. If the re-creation fails, stop related operations.
+
+## 5400105 Play Service Dead
+
+**Error Message**
+
+Service died.
+
+**Description**
+
+The playback service is dead.
+
+**Possible Causes**
+
+The playback service is dead.
+
+**Solution**
+
+Destroy this instance and re-create it. If the re-creation fails, stop related operations.
+
+## 5400106 Format Not Supported
+
+**Error Message**
+
+Unsupported format.
+
+**Description**
+
+The format is not supported.
+
+**Possible Causes**
+
+The file format is not supported.
+
+**Solution**
+
+Use a supported format.
+
+## 5400107 Audio Focus Conflict
+
+**Error Message**
+
+Audio interrupted.
+
+**Description**
+
+Recording fails due to audio focus conflicts.
+
+**Possible Causes**
+
+Another process occupies the audio focus.
+
+**Solution**
+
+Destroy the current instance and check whether another process is recording. If you can stop the other process, you can create the current instance again.
diff --git a/en/application-dev/onlyfortest/reference/errorcode-universal.md b/en/application-dev/onlyfortest/reference/errorcode-universal.md
new file mode 100644
index 0000000000000000000000000000000000000000..cd0ea42f71a47472c8428aad1d583e4aef71969f
--- /dev/null
+++ b/en/application-dev/onlyfortest/reference/errorcode-universal.md
@@ -0,0 +1,73 @@
+# Universal Error Codes
+
+## 201 Permission Denied
+
+**Error Message**
+
+Permission verification failed. The application does not have the permission required to call the API.
+
+**Description**
+
+This error code is reported when permission verification fails.
+
+**Possible Causes**
+
+The application calls an API without the required permission.
+
+**Solution**
+
+Check the permission required to call the API and make sure the application has the permission.
+
+## 202 Permission Verification Failed for Calling a System API
+
+**Error Message**
+
+Permission verification failed. A non-system application calls a system API.
+
+**Description**
+
+This error code is reported when a non-system application failed the permission verification.
+
+**Possible Causes**
+
+The API called by the application is a system API.
+
+**Solution**
+
+Check whether any system API is called. Delete it if any.
+
+## 401 Parameter Check Failed
+
+**Error Message**
+
+Parameter error. Possible causes: 1. Mandatory parameters are left unspecified; 2. Incorrect parameter types; 3. Parameter verification failed.
+
+**Description**
+
+This error code is reported when a parameter error occurs. Regardless of whether the API is synchronous or asynchronous, this type of error is generally thrown in synchronous mode.
+
+**Possible Causes**
+
+The mandatory parameter is not passed in, or the parameter type is invalid.
+
+**Solution**
+
+Make sure the mandatory parameter is passed in and the type of the passed parameter is invalid.
+
+## 801 API Not Supported
+
+**Error Message**
+
+Capability not supported. Failed to call the API due to limited device capabilities.
+
+**Description**
+
+This error code is reported when the device supports the target SysCap but does not support a specific API.
+
+**Possible Causes**
+
+The device does not support the API.
+
+**Solution**
+
+Check whether the device supports the API.
diff --git a/en/application-dev/website.md b/en/application-dev/website.md
index c535f1dcc56a5bed2cfa4b0dc69071e4f7a04414..b29d30d3cdbc89d172b6f80964b20f8a5d8bec61 100644
--- a/en/application-dev/website.md
+++ b/en/application-dev/website.md
@@ -1,8 +1,15 @@
 # Application Development
-  - error-code<!--123-458_abc-->
-     - [error-code](reference/apis-media-kit/errorcode-media.md)  
-     - [Universal Error Codes](reference/errorcode-universal.md) 
-  - Parent-node-urlpath-null
-     - [Ads-Service-Framework-Error-Codes](reference/apis-ads-kit/errorcode-ads.md)
+- Test-urlpath
+  - urlpath-Normal
+    - errorCode<!--errorcode-full-->
+      - [error-code](onlyfortest/reference/apis-media-kit/errorcode-media.md)  
+    - errorCode<!--errorcode-universal-->
+      - [Universal Error Codes](onlyfortest/reference/errorcode-universal.md)
   - Parent-node-urlpath-illegal<!--Urlpath-Illegal-->
-     - [Enterprise-Device-Management-Error-Codes](reference/apis-mdm-kit/errorcode-enterpriseDeviceManager.md)
\ No newline at end of file
+    - errorCode
+      - errorCode<!--errorcode-for-ads-for-enterprise-device-management-->
+        - [Enterprise-Device-Management-Error-Codes](onlyfortest/reference/apis-mdm-kit/errorcode-enterpriseDeviceManager.md) 
+  - Parent-node-urlpath-null<!--urlpath-null-->
+    - errorCode<!--errorcode-for-ads-->
+      - errorCode
+        - [Ads-Service-Framework-Error-Codes](onlyfortest/reference/apis-ads-kit/errorcode-ads.md)
\ No newline at end of file