1# Bundle Manager Subsystem Changelog
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3## cl.bundlemanager.1 Field Change of the ApplicationInfo Struct in API Version 9
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5The **ApplicationInfo** struct [bundleManager/applicationInfo.d.ts](https://gitee.com/openharmony/interface_sdk-js/blob/master/api/bundleManager/ApplicationInfo.d.ts) in API version 9 has field changes, with the **systemApp** field being added and the **entryDir** field being deleted.
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7**Change Impact**<br>
8There is no impact on applications that use the APIs of versions earlier than 9. The applications that use the APIs of version 9 need to adapt new modules and APIs.
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10**Key API/Component Changes**<br>
11The following table describes the changed fields in the **ApplicationInfo** struct.
12| Deleted Field| Added or Changed Field in API Version 9| Type|
13| --- | --- | --- |
14| N/A| systemApp | boolean |
15| entryDir | N/A | string |
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17**Adaptation Guide**<br>
18Import the bundle manager query module and use the **systemApp** field in the **ApplicationInfo** struct of API version 9. If the **entryDir** field is used, change the field because it is redundant in features where HAP decompression is not required.
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20## cl.bundlemanager.2 Field Change of the HapModuleInfo Struct in API Version 9
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22The **moduleSourceDir** field is deleted from the **HapModuleInfo** struct [bundleManager/hapModuleInfo.d.ts](https://gitee.com/openharmony/interface_sdk-js/blob/master/api/bundleManager/HapModuleInfo.d.ts) in API version 9.
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24**Change Impact**<br>
25There is no impact on applications that use the APIs of versions earlier than 9. The applications that use the APIs of version 9 need to adapt new modules and APIs.
26
27**Key API/Component Changes**<br>
28The following table describes the changed fields in the **HapModuleInfo** struct.
29| Deleted Field| Added or Changed Field in API Version 9| Type|
30| --- | --- | --- |
31| moduleSourceDir | N/A | string |
32
33**Adaptation Guide**<br>
34Import the bundle manager query module and do not use the **moduleSourceDir** field in the **HapModuleInfo** struct of API version 9. If the **moduleSourceDir** field is used, change the field because it is redundant in features where HAP decompression is not required.
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