update docs

Signed-off-by: Nshawn_he <shawn.he@huawei.com>

en/application-dev/connectivity/ipc-rpc-overview.md

@@ -19,4 +19,4 @@ In OpenHarmony documents, proxy represents the service requester, and stub repre
 
 ## Related Modules
 
-Distributed Scheduler
+[Distributed Scheduler](https://gitee.com/openharmony/distributedschedule_dms_fwk)

en/application-dev/reference/apis/js-apis-hidebug.md

@@ -18,6 +18,8 @@ getNativeHeapSize(): bigint
 
 Obtains the total size of the native heap memory.
 
+This API is defined but not implemented in OpenHarmony 3.1 Release.
+
 **System capability**: SystemCapability.HiviewDFX.HiProfiler.HiDebug
 
 **Return value**
@@ -39,6 +41,8 @@ getNativeHeapAllocatedSize(): bigint
 
 Obtains the size of the allocated native heap memory.
 
+This API is defined but not implemented in OpenHarmony 3.1 Release.
+
 **System capability**: SystemCapability.HiviewDFX.HiProfiler.HiDebug
 
 
@@ -60,6 +64,8 @@ getNativeHeapFreeSize(): bigint
 
 Obtains the size of the free native heap memory.
 
+This API is defined but not implemented in OpenHarmony 3.1 Release.
+
 **System capability**: SystemCapability.HiviewDFX.HiProfiler.HiDebug
 
 

en/application-dev/reference/apis/js-apis-usb.md

 # USB
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> **NOTE**
 > The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 
 ## Modules to Import

en/readme/startup.md

@@ -288,11 +288,11 @@ It is worth noting that the modified  **init.cfg**  file must be in JSON format.
 
 Startup subsystem
 
-[startup\_syspara\_lite](https://gitee.com/openharmony/startup_syspara_lite)
+[startup\_init\_lite](https://gitee.com/openharmony/startup_init_lite)
 
-[startup\_appspawn\_lite](https://gitee.com/openharmony/startup_appspawn_lite)
+[startup\_syspara\_lite](https://gitee.com/openharmony/startup_syspara_lite)
 
 [startup\_bootstrap\_lite](https://gitee.com/openharmony/startup_bootstrap_lite)
 
-[startup\_init\_lite](https://gitee.com/openharmony/startup_init_lite)
+[startup\_appspawn\_lite](https://gitee.com/openharmony/startup_appspawn_lite)