diff --git a/en/application-dev/reference/errorcodes/errorcode-huks.md b/en/application-dev/reference/errorcodes/errorcode-huks.md
index 66409a6381a59d5dfe3cace75fe90ca19cb8f52d..48907ecd87d3eff3ba9bb408aa1cc8b16f40218d 100644
--- a/en/application-dev/reference/errorcodes/errorcode-huks.md
+++ b/en/application-dev/reference/errorcodes/errorcode-huks.md
@@ -1,23 +1,22 @@
-#  HUKS Error Codes
+# HUKS Error Codes
 
 ## 12000001 Feature Not Supported
 
 **Error Message**
 
-`${messageInfo}` is not supported.
+The `${messageInfo}` is not supported.
 
 **Possible Causes**
-
 The API is supported, but certain features in the API, such as the algorithm, are not supported.
 
 **Solution**
 
-Modify the parameters and use the features supported.
+Use the supported features as parameters.
 
 ## 12000002 Missing Key Algorithm Parameter
 **Error Message**
 
-Failed to obtain `${messageInfo}`. It is not set in ParamSet.
+Failed to obtain the `${messageInfo}`. It is not set in ParamSet.
 
 **Possible Causes**
 
@@ -47,9 +46,12 @@ An invalid parameter is found.
 
 **Error Message**
 
-Failed to read the file.
+A file error can be any of the following: 
+
+- Insufficient storage space.
+- Invalid file size.
+- Failed to `${messageInfo}`.
 
-Failed to write the file.
 
 **Possible Causes**
 
@@ -57,20 +59,21 @@ The file operation failed.
 
 **Solution**
 
-1. Check whether the disk space is used up and whether the file system is abnormal.
+1. Check whether sufficient disk space is available and whether the file system is normal.
 2. Clear the disk space.
 
 ## 12000005 IPC Error
 
 **Error Message**
 
-IPC timed out.
+An IPC error can be any of the following: 
 
-Failed to obtain messages from IPC.
+- Failed to get messages from IPC.
+- IPC `${messageInfo}`.
 
 **Possible Causes**
 
-IPC failed.
+The Inter-Process Communication (IPC) failed.
 
 **Solution**
 
@@ -80,7 +83,7 @@ Locate and rectify the IPC failure.
 
 **Error Message**
 
-Crypto engine error. 
+Crypto engine error.
 
 **Possible Causes**
 
@@ -98,7 +101,7 @@ The algorithm library operation fails. The possible causes include the following
 
 **Error Message**
 
-This credential is invalidated permanently. 
+This credential is invalidated permanently.
 
 **Possible Causes**
 
@@ -110,7 +113,7 @@ The possible causes include the following:
 **Solution**
 
 1. Locate the cause of the authentication failure based on the log.
-2. If the authentication fails due to the access control attribute configured, the key cannot be used any more.
+2. If the authentication fails due to the configuration of the access control attribute, the key cannot be used any more.
 
 ## 12000008 Failed to Access the Key Due to a Failure in Authentication Token Verification
 
@@ -120,18 +123,18 @@ The authentication token verification failed.
 
 **Possible Causes**
 
-The authentication token verification failed due to an incorrect challenge value.
+The challenge value is incorrect.
 
 **Solution**
 
-1. Check whether the challenge for userIAM authentication is correctly assembled.
-2. If the challenge value is incorrect, modify the assembly mode, use the bytes generated by HUKS to assembly challenge value, and pass it to userIAM for authentication.
+1. Check whether the challenge for user IAM authentication is correctly assembled.
+2. If the challenge value is incorrect, modify the assembly mode, use the bytes generated by HUKS to assembly the challenge value, and pass it to user IAM for authentication.
 
 ## 12000009 Key Access Timed Out
 
 **Error Message**
 
-The Authentication token timed out.
+This authentication token timed out.
 
 **Possible Causes**
 
@@ -139,7 +142,7 @@ The authentication failed because the authentication token timed out.
 
 **Solution**
 
-The difference between the current time and the authentication token generation time must be less than the timeout interval. Otherwise, the access will be rejected.
+Initialize the key and perform the authentication again. Ensure that the difference between the current time and the authentication token generation time is less than the timeout interval.
 
 ## 12000010 Key Operation Sessions Reaches the Limit
 
@@ -168,18 +171,18 @@ The key corresponding to the key alias does not exist.
 
 **Solution**
 
-1. Check whether the key alias is misspelled.
+1. Check whether the key alias is correctly spelled.
 2. Check whether the key corresponding to the key alias is successfully generated.
 
 ## 12000012 External Error
 
 **Error Message**
 
-External error `${messageInfo}`. 
+System external error.
 
 **Possible Causes**
 
-An external error, such as a hardware fault or file error occurs.
+An external error, such as a hardware fault or file error, occurs.
 
 **Solution**
 
@@ -203,7 +206,9 @@ Enroll the credential or change the authentication type bound to the key.
 
 **Error Message**
 
-Memory is insufficient. 
+- Insufficient memory.
+- Malloc failed.
+
 
 **Possible Causes**
 
@@ -217,7 +222,7 @@ Release memory or restart the device.
 
 **Error Message**
 
-Failed to call the `${messageInfo}` service to do `${messageInfo}`.
+Failed to obtain the `${messageInfo}` information via UserIAM.
 
 **Possible Causes**