diff --git a/en/application-dev/reference/apis/js-apis-zlib.md b/en/application-dev/reference/apis/js-apis-zlib.md
index 454cca88f82548b86ba2a9b4209c1782cc0eaa8f..6515eea99d43d68018a46c56b79bd38754d7864a 100644
--- a/en/application-dev/reference/apis/js-apis-zlib.md
+++ b/en/application-dev/reference/apis/js-apis-zlib.md
@@ -231,7 +231,7 @@ Decompresses a file. This API uses an asynchronous callback to return the result
 
 | Name                 | Type               | Mandatory| Description                                                        |
 | ----------------------- | ------------------- | ---- | ------------------------------------------------------------ |
-| inFile                  | string              | Yes  | Path of the file to decompress. For details about the path, see [FA Model](js-apis-inner-app-context.md) and [Stage Model](js-apis-inner-application-context.md).|
+| inFile                  | string              | Yes  | Path of the file to decompress. The file name extension must be .zip. For details about the path, see [FA Model](js-apis-inner-app-context.md) and [Stage Model](js-apis-inner-application-context.md).|
 | outFile                 | string              | Yes  | Path of the decompressed file. The path must exist in the system. Otherwise, the decompression fails. The path must be an application sandbox path, which can be obtained from the context. For details about the context, see [FA Model](js-apis-inner-app-context.md) and [Stage Model](js-apis-inner-application-context.md).|
 | options                 | [Options](#options) | Yes  | Decompression parameters.                                            |
 | AsyncCallback<**void**> | callback            | No  | Callback used to return the result. If the operation is successful, **null** is returned; otherwise, a specific error code is returned.                                            |
@@ -282,7 +282,7 @@ Decompresses a file. This API uses a promise to return the result.
 
 | Name | Type               | Mandatory| Description                                                        |
 | ------- | ------------------- | ---- | ------------------------------------------------------------ |
-| inFile  | string              | Yes  | Path of the file to decompress. For details about the path, see [FA Model](js-apis-inner-app-context.md) and [Stage Model](js-apis-inner-application-context.md).|
+| inFile  | string              | Yes  | Path of the file to decompress. The file name extension must be .zip. For details about the path, see [FA Model](js-apis-inner-app-context.md) and [Stage Model](js-apis-inner-application-context.md).|
 | outFile | string              | Yes  | Path of the decompressed file. The path must exist in the system. Otherwise, the decompression fails. The path must be an application sandbox path, which can be obtained from the context. For details about the context, see [FA Model](js-apis-inner-app-context.md) and [Stage Model](js-apis-inner-application-context.md).|
 | options | [Options](#options) | Yes  | Decompression parameters.                                          |
 
diff --git a/en/application-dev/reference/errorcodes/errorcode-zlib.md b/en/application-dev/reference/errorcodes/errorcode-zlib.md
index 47d5b3c6604b7bc2361d4355e829527dc5a15b9c..9e82ed0167d9868d1d5b7b5a7fdd39171733e703 100644
--- a/en/application-dev/reference/errorcodes/errorcode-zlib.md
+++ b/en/application-dev/reference/errorcodes/errorcode-zlib.md
@@ -21,7 +21,8 @@ When the **compress** API is called, the file to compress does not exist. When t
 **Solution**
 
 1. Make sure the source file exists.
-2. Make sure the path of the source file exists and the path is the correct sandbox path.
+2. Ensure that the source file is in ZIP format.
+3. Make sure the path of the source file exists and the path is the correct sandbox path.
 
 ## 900002 Invalid Destination File