diff --git a/zh-cn/application-dev/reference/apis-arkui/js-apis-arkui-performancemonitor-sys.md b/zh-cn/application-dev/reference/apis-arkui/js-apis-arkui-performancemonitor-sys.md
index 33cf272c9f2ae9f2db2609e1c91a29b7d7515f8a..909d939e52d2396f4a7a574578ffb4a47af2344c 100644
--- a/zh-cn/application-dev/reference/apis-arkui/js-apis-arkui-performancemonitor-sys.md
+++ b/zh-cn/application-dev/reference/apis-arkui/js-apis-arkui-performancemonitor-sys.md
@@ -91,7 +91,7 @@ performanceMonitor.end("LAUNCHER_APP_LAUNCH_FROM_ICON");
 
 ## performanceMonitor.recordInputEventTime<sup>12+</sup>
 
-recordInputEventTime(type: ActionType, sourceType: sourceType, time: number): void
+recordInputEventTime(type: ActionType, sourceType: SourceType, time: number): void
 
 记录动效场景开始前，用户输入触发事件类型与时间。