diff --git a/uni_modules/uni-memorywarning/utssdk/app-android/index.uts b/uni_modules/uni-memorywarning/utssdk/app-android/index.uts
index 5839e4db13b3e624d2b648c67c34085abdc9330b..b364d0431a189b41ce5eb855e5d4a475b8b54889 100644
--- a/uni_modules/uni-memorywarning/utssdk/app-android/index.uts
+++ b/uni_modules/uni-memorywarning/utssdk/app-android/index.uts
@@ -1,50 +1,44 @@
 import { UTSAndroid } from "io.dcloud.uts"
 
-let listeners : UTSCallback[] = []
+let listeners: UTSCallback[] = []
 
-const onAppTrimMemoryListener = (res : number) => {
-	listeners.forEach(listener => {
-		listener(res)
-	})
+const onAppTrimMemoryListener = (res: number) => {
+    listeners.forEach(listener => {
+        listener(res)
+    })
 }
 
 
 @Suppress("DEPRECATION")
-export function onMemoryWarning(callback : (res : number) => void) {
-	if (listeners.length == 0) {
+export function onMemoryWarning(callback: (res: number) => void) {
+    if (listeners.length == 0) {
 		// 仅首次执行底层的实际监听
-		UTSAndroid.onAppTrimMemory((res : number) => {
-			onAppTrimMemoryListener(res)
-		})
-		UTSAndroid.onAppActivityDestroy(() => {
+        UTSAndroid.onAppTrimMemory(onAppTrimMemoryListener)
+		UTSAndroid.onAppActivityDestroy(()=>{
 			// listeners 默认是静态常量周期，activity 销毁时，需要手动清空
 			listeners = []
 		})
-	}
-	listeners.push(callback)
+    }
+    listeners.push(callback)
 }
 
-
 @Suppress("DEPRECATION")
-export function offMemoryWarning(callback : UTSCallback | null = null) {
-
-	if (callback == null) {
+export function offMemoryWarning(callback: UTSCallback | null = null) {
+	
+	if(callback == null){
 		// 清除全部回调
 		listeners = []
 		UTSAndroid.offAppTrimMemory(null);
 		return
 	}
-
+	
 	// 清除指定回调
-	const index = listeners.indexOf(callback)
-	if (index > -1) {
-		listeners.splice(index, 1)
-	}
-	if (listeners.length == 0) {
-		// 当用户不再监听时，移除底层实际监听
-		UTSAndroid.offAppTrimMemory((res : number) => { 
-			onAppTrimMemoryListener(res) 
-		})
-	}
+    const index = listeners.indexOf(callback)
+    if (index > -1) {
+        listeners.splice(index, 1)
+    }
+    if (listeners.length == 0) {
+        // 当用户不再监听时，移除底层实际监听
+        UTSAndroid.offAppTrimMemory(onAppTrimMemoryListener)
+    }
 }
-