diff --git a/arkui/ace_engine/native/libace.ndk.json b/arkui/ace_engine/native/libace.ndk.json
index b9d1cdc1647cc9db61d004af63d80e67a2dcb246..51d609e0e9773feb8e613ddb5609775855c9b7c7 100644
--- a/arkui/ace_engine/native/libace.ndk.json
+++ b/arkui/ace_engine/native/libace.ndk.json
@@ -3292,11 +3292,15 @@
         "name": "OH_ArkUI_XComponent_IsInitialized"
     },
     {
-        "first_introduced": "18",
+        "first_introduced": "20",
         "name": "OH_ArkUI_PostAsyncUITask"
     },
     {
-        "first_introduced": "18",
+        "first_introduced": "20",
         "name": "OH_ArkUI_PostUITask"
+    },
+    {
+        "first_introduced": "20",
+        "name": "OH_ArkUI_PostUITaskAndWait"
     }
 ]
\ No newline at end of file
diff --git a/arkui/ace_engine/native/native_interface.h b/arkui/ace_engine/native/native_interface.h
index 0b91544ff8d6bab9ccb26820dc7c3f80e8264b56..4c3405779511912c2b8b668c24e7ba5990028b62 100644
--- a/arkui/ace_engine/native/native_interface.h
+++ b/arkui/ace_engine/native/native_interface.h
@@ -60,6 +60,7 @@ typedef enum {
     /**
      * API related to supported multi thread UI components.
      * For details, see the struct definition in <arkui/native_node.h>.
+     * @since 20
      */
     ARKUI_MULTI_THREAD_NATIVE_NODE,
 } ArkUI_NativeAPIVariantKind;
diff --git a/arkui/ace_engine/native/native_node.h b/arkui/ace_engine/native/native_node.h
index 04bdc80e81d8b600a3a5efed63cd7ae5be432516..28dd21a86966e5d6a5600316fade108d02a2ea56 100644
--- a/arkui/ace_engine/native/native_node.h
+++ b/arkui/ace_engine/native/native_node.h
@@ -9229,7 +9229,7 @@ int32_t OH_ArkUI_NodeUtils_GetPositionToParent(ArkUI_NodeHandle node, ArkUI_IntO
  * @return Returns the result code.
  *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
  *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occurs.
- * @since 18
+ * @since 20
  */
 int32_t OH_ArkUI_PostAsyncUITask(ArkUI_ContextHandle context, void* asyncUITaskData,
     void (*asyncUITask)(void* asyncUITaskData), void (*onFinish)(void* asyncUITaskData));
@@ -9243,10 +9243,23 @@ int32_t OH_ArkUI_PostAsyncUITask(ArkUI_ContextHandle context, void* asyncUITaskD
  * @return Returns the result code.
  *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
  *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occurs.
- * @since 18
+ * @since 20
  */
 int32_t OH_ArkUI_PostUITask(ArkUI_ContextHandle context, void* taskData, void (*task)(void* taskData));
 
+/**
+ * @brief Post UI task to UI thread and wait until UI task finished.
+ *
+ * @param context UIContext pointer of the page where the UI task located.
+ * @param taskData Parameter of task.
+ * @param task Function executed by UI thread.
+ * @return Returns the result code.
+ *         Returns {@link ARKUI_ERROR_CODE_NO_ERROR} if the operation is successful.
+ *         Returns {@link ARKUI_ERROR_CODE_PARAM_INVALID} if a parameter error occurs.
+ * @since 20
+ */
+int32_t OH_ArkUI_PostUITaskAndWait(ArkUI_ContextHandle context, void* taskData, void (*task)(void* taskData));
+
 #ifdef __cplusplus
 };
 #endif
diff --git a/arkui/ace_engine/native/native_type.h b/arkui/ace_engine/native/native_type.h
index 956e3e581726409fee760e64989d8bebab619741..c5524bafd713e0a8a6ff78940678e69e1a3e0bac 100644
--- a/arkui/ace_engine/native/native_type.h
+++ b/arkui/ace_engine/native/native_type.h
@@ -2175,7 +2175,7 @@ typedef enum {
     ARKUI_ERROR_CODE_NODE_NOT_ON_MAIN_TREE = 106203,
     /**
      * @error The node is running on invalid thread.
-     * @since 18
+     * @since 20
      */
     ARKUI_ERROR_CODE_NODE_ON_INVALID_THREAD = 106204,
     /**