diff --git a/entry/src/main/ets/workers/MyWorker.ts b/entry/src/main/ets/workers/MyWorker.ts
index 9ba3e0f..510eedf 100644
--- a/entry/src/main/ets/workers/MyWorker.ts
+++ b/entry/src/main/ets/workers/MyWorker.ts
@@ -16,12 +16,6 @@ import worker, { ThreadWorkerGlobalScope, MessageEvents, ErrorEvent } from '@oho
 
 var workerPort: ThreadWorkerGlobalScope = worker.workerPort;
 
-/**
- * Defines the event handler to be called when the worker thread receives a message sent by the host thread.
- * The event handler is executed in the worker thread.
- *
- * @param e message data
- */
 workerPort.onmessage = function (e: MessageEvents) {
   console.log("MyWorker.ts workerPort.onmessage:" + e.data)
 
@@ -29,22 +23,10 @@ workerPort.onmessage = function (e: MessageEvents) {
   workerPort.postMessage("天天向上")
 }
 
-/**
- * Defines the event handler to be called when the worker receives a message that cannot be deserialized.
- * The event handler is executed in the worker thread.
- *
- * @param e message data
- */
 workerPort.onmessageerror = function (e: MessageEvents) {
   console.log("MyWorker.ts workerPort.onmessageerror")
 }
 
-/**
- * Defines the event handler to be called when an exception occurs during worker execution.
- * The event handler is executed in the worker thread.
- *
- * @param e error message
- */
 workerPort.onerror = function (e: ErrorEvent) {
   console.log("MyWorker.ts workerPort.onerror")
 }
\ No newline at end of file
diff --git a/entry/src/main/ets/workers/PngLoadWorker.ts b/entry/src/main/ets/workers/PngLoadWorker.ts
index d9cf419..a4d0178 100644
--- a/entry/src/main/ets/workers/PngLoadWorker.ts
+++ b/entry/src/main/ets/workers/PngLoadWorker.ts
@@ -17,12 +17,6 @@ import { UPNG } from '@ohos/imageknife/src/main/ets/components/3rd_party/upng/UP
 
 var workerPort: ThreadWorkerGlobalScope = worker.workerPort;
 
-/**
- * Defines the event handler to be called when the worker thread receives a message sent by the host thread.
- * The event handler is executed in the worker thread.
- *
- * @param e message data
- */
 workerPort.onmessage = function (e: MessageEvents) {
   var data = e.data;
   switch (data.type) {
@@ -50,24 +44,4 @@ workerPort.onmessage = function (e: MessageEvents) {
     default:
       break
   }
-}
-
-/**
- * Defines the event handler to be called when the worker receives a message that cannot be deserialized.
- * The event handler is executed in the worker thread.
- *
- * @param e message data
- */
-workerPort.onmessageerror = function (e: MessageEvents) {
-  console.log("PngLoadWorker.ts workerPort.onmessageerror: " + e.data)
-}
-
-/**
- * Defines the event handler to be called when an exception occurs during worker execution.
- * The event handler is executed in the worker thread.
- *
- * @param e error message
- */
-workerPort.onerror = function (e: ErrorEvent) {
-  console.log("PngLoadWorker.ts workerPort.onerror: " + e.message)
 }
\ No newline at end of file